./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d221fe111612a5fd289edcbc5a129acf7ca50098e249efcc8da191d610ed6fb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:44:10,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:44:11,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 13:44:11,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:44:11,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:44:11,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:44:11,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:44:11,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:44:11,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:44:11,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:44:11,072 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:44:11,072 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:44:11,073 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:44:11,073 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:44:11,074 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:44:11,074 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:44:11,075 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:44:11,075 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:44:11,076 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:44:11,076 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:44:11,077 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:44:11,079 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:44:11,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:44:11,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:44:11,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:44:11,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:44:11,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:44:11,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:44:11,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:44:11,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:44:11,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:44:11,084 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 13:44:11,084 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 13:44:11,084 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:44:11,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:44:11,085 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:44:11,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:44:11,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:44:11,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:44:11,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:44:11,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:44:11,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:44:11,086 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:44:11,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:44:11,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:44:11,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:44:11,087 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:44:11,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:44:11,087 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d221fe111612a5fd289edcbc5a129acf7ca50098e249efcc8da191d610ed6fb [2023-12-02 13:44:11,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:44:11,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:44:11,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:44:11,344 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:44:11,345 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:44:11,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i [2023-12-02 13:44:14,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:44:14,377 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:44:14,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i [2023-12-02 13:44:14,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/data/61f2d12c4/c23890ed58064ad3ba8eea0f7578087c/FLAGf6a60c1ff [2023-12-02 13:44:14,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/data/61f2d12c4/c23890ed58064ad3ba8eea0f7578087c [2023-12-02 13:44:14,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:44:14,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:44:14,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:44:14,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:44:14,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:44:14,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:14" (1/1) ... [2023-12-02 13:44:14,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f43d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:14, skipping insertion in model container [2023-12-02 13:44:14,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:44:14" (1/1) ... [2023-12-02 13:44:14,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:44:14,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:44:14,971 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:44:15,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:44:15,093 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:44:15,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15 WrapperNode [2023-12-02 13:44:15,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:44:15,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:44:15,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:44:15,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:44:15,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,151 INFO L138 Inliner]: procedures = 370, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 213 [2023-12-02 13:44:15,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:44:15,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:44:15,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:44:15,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:44:15,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:44:15,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:44:15,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:44:15,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:44:15,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (1/1) ... [2023-12-02 13:44:15,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:44:15,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:44:15,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:44:15,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb0c3fc-d034-456f-92d5-7da8320ee5ae/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:44:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 13:44:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 13:44:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 13:44:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 13:44:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:44:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:44:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 13:44:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 13:44:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:44:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 13:44:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-12-02 13:44:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-12-02 13:44:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:44:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:44:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:44:15,269 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 13:44:15,414 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:44:15,416 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:44:15,872 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:44:15,896 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:44:15,896 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 13:44:15,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:15 BoogieIcfgContainer [2023-12-02 13:44:15,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:44:15,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:44:15,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:44:15,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:44:15,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:44:14" (1/3) ... [2023-12-02 13:44:15,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bef2ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:44:15, skipping insertion in model container [2023-12-02 13:44:15,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:44:15" (2/3) ... [2023-12-02 13:44:15,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bef2ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:44:15, skipping insertion in model container [2023-12-02 13:44:15,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:44:15" (3/3) ... [2023-12-02 13:44:15,908 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_05-ptra_rc.i [2023-12-02 13:44:15,919 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 13:44:15,931 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:44:15,931 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-12-02 13:44:15,932 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 13:44:16,030 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 13:44:16,066 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 248 places, 244 transitions, 492 flow [2023-12-02 13:44:16,176 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2704 states, 2661 states have (on average 1.940248027057497) internal successors, (5163), 2703 states have internal predecessors, (5163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:16,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:44:16,196 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17aed8bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:44:16,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2023-12-02 13:44:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 2704 states, 2661 states have (on average 1.940248027057497) internal successors, (5163), 2703 states have internal predecessors, (5163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:16,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 13:44:16,214 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:16,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:16,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:16,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:16,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1057674396, now seen corresponding path program 1 times [2023-12-02 13:44:16,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:16,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220966583] [2023-12-02 13:44:16,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:16,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:16,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:16,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220966583] [2023-12-02 13:44:16,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220966583] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:16,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:16,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:44:16,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133102657] [2023-12-02 13:44:16,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:16,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:44:16,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:16,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:44:16,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:16,983 INFO L87 Difference]: Start difference. First operand has 2704 states, 2661 states have (on average 1.940248027057497) internal successors, (5163), 2703 states have internal predecessors, (5163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:17,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:17,364 INFO L93 Difference]: Finished difference Result 2701 states and 5160 transitions. [2023-12-02 13:44:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:44:17,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2023-12-02 13:44:17,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:17,398 INFO L225 Difference]: With dead ends: 2701 [2023-12-02 13:44:17,398 INFO L226 Difference]: Without dead ends: 2701 [2023-12-02 13:44:17,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:17,404 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 3 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:17,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 622 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:44:17,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2023-12-02 13:44:17,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2701. [2023-12-02 13:44:17,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2701 states, 2661 states have (on average 1.939120631341601) internal successors, (5160), 2700 states have internal predecessors, (5160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 5160 transitions. [2023-12-02 13:44:17,562 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 5160 transitions. Word has length 37 [2023-12-02 13:44:17,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:17,563 INFO L495 AbstractCegarLoop]: Abstraction has 2701 states and 5160 transitions. [2023-12-02 13:44:17,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:17,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 5160 transitions. [2023-12-02 13:44:17,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 13:44:17,565 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:17,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:17,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:44:17,566 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:17,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:17,567 INFO L85 PathProgramCache]: Analyzing trace with hash -644905690, now seen corresponding path program 1 times [2023-12-02 13:44:17,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:17,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460039735] [2023-12-02 13:44:17,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:17,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:17,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:17,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460039735] [2023-12-02 13:44:17,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460039735] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:17,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:17,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:44:17,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33372909] [2023-12-02 13:44:17,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:17,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:44:17,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:17,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:44:17,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:17,945 INFO L87 Difference]: Start difference. First operand 2701 states and 5160 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:18,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:18,144 INFO L93 Difference]: Finished difference Result 2698 states and 5157 transitions. [2023-12-02 13:44:18,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:44:18,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2023-12-02 13:44:18,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:18,163 INFO L225 Difference]: With dead ends: 2698 [2023-12-02 13:44:18,163 INFO L226 Difference]: Without dead ends: 2698 [2023-12-02 13:44:18,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:18,165 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 9 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:18,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 353 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:44:18,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2023-12-02 13:44:18,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2698. [2023-12-02 13:44:18,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 2661 states have (on average 1.9379932356257046) internal successors, (5157), 2697 states have internal predecessors, (5157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 5157 transitions. [2023-12-02 13:44:18,279 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 5157 transitions. Word has length 45 [2023-12-02 13:44:18,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:18,280 INFO L495 AbstractCegarLoop]: Abstraction has 2698 states and 5157 transitions. [2023-12-02 13:44:18,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 5157 transitions. [2023-12-02 13:44:18,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 13:44:18,282 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:18,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:18,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 13:44:18,282 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:18,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:18,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1012242707, now seen corresponding path program 1 times [2023-12-02 13:44:18,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:18,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236765633] [2023-12-02 13:44:18,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:18,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:18,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:18,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:18,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236765633] [2023-12-02 13:44:18,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236765633] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:18,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:18,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:44:18,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935451650] [2023-12-02 13:44:18,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:18,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:44:18,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:18,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:44:18,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:44:18,342 INFO L87 Difference]: Start difference. First operand 2698 states and 5157 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:18,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:18,393 INFO L93 Difference]: Finished difference Result 2697 states and 5156 transitions. [2023-12-02 13:44:18,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:44:18,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2023-12-02 13:44:18,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:18,413 INFO L225 Difference]: With dead ends: 2697 [2023-12-02 13:44:18,413 INFO L226 Difference]: Without dead ends: 2697 [2023-12-02 13:44:18,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:44:18,414 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 2 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:18,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 439 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:44:18,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2023-12-02 13:44:18,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2697. [2023-12-02 13:44:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2697 states, 2661 states have (on average 1.9376174370537391) internal successors, (5156), 2696 states have internal predecessors, (5156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2697 states and 5156 transitions. [2023-12-02 13:44:18,500 INFO L78 Accepts]: Start accepts. Automaton has 2697 states and 5156 transitions. Word has length 53 [2023-12-02 13:44:18,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:18,500 INFO L495 AbstractCegarLoop]: Abstraction has 2697 states and 5156 transitions. [2023-12-02 13:44:18,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 5156 transitions. [2023-12-02 13:44:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 13:44:18,502 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:18,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:18,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 13:44:18,502 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:18,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:18,503 INFO L85 PathProgramCache]: Analyzing trace with hash 2005674951, now seen corresponding path program 1 times [2023-12-02 13:44:18,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:18,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972071491] [2023-12-02 13:44:18,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:18,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:18,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:18,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972071491] [2023-12-02 13:44:18,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972071491] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:18,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:18,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:44:18,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189884837] [2023-12-02 13:44:18,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:18,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:44:18,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:18,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:44:18,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:44:18,556 INFO L87 Difference]: Start difference. First operand 2697 states and 5156 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:18,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:18,598 INFO L93 Difference]: Finished difference Result 2552 states and 4871 transitions. [2023-12-02 13:44:18,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:44:18,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2023-12-02 13:44:18,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:18,615 INFO L225 Difference]: With dead ends: 2552 [2023-12-02 13:44:18,615 INFO L226 Difference]: Without dead ends: 2552 [2023-12-02 13:44:18,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:44:18,617 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 171 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:18,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 274 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:44:18,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2023-12-02 13:44:18,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2552. [2023-12-02 13:44:18,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2552 states, 2532 states have (on average 1.9237756714060033) internal successors, (4871), 2551 states have internal predecessors, (4871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2552 states and 4871 transitions. [2023-12-02 13:44:18,734 INFO L78 Accepts]: Start accepts. Automaton has 2552 states and 4871 transitions. Word has length 57 [2023-12-02 13:44:18,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:18,734 INFO L495 AbstractCegarLoop]: Abstraction has 2552 states and 4871 transitions. [2023-12-02 13:44:18,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:18,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2552 states and 4871 transitions. [2023-12-02 13:44:18,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 13:44:18,737 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:18,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:18,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 13:44:18,737 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:18,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:18,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1703256098, now seen corresponding path program 1 times [2023-12-02 13:44:18,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:18,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808065133] [2023-12-02 13:44:18,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:18,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:19,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:19,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808065133] [2023-12-02 13:44:19,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808065133] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:19,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:19,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:44:19,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347811320] [2023-12-02 13:44:19,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:19,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:44:19,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:19,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:44:19,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:19,263 INFO L87 Difference]: Start difference. First operand 2552 states and 4871 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:19,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:19,530 INFO L93 Difference]: Finished difference Result 2551 states and 4870 transitions. [2023-12-02 13:44:19,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:44:19,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-02 13:44:19,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:19,547 INFO L225 Difference]: With dead ends: 2551 [2023-12-02 13:44:19,547 INFO L226 Difference]: Without dead ends: 2551 [2023-12-02 13:44:19,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:19,549 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 2 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:19,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 632 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:44:19,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2551 states. [2023-12-02 13:44:19,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2551 to 2551. [2023-12-02 13:44:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2532 states have (on average 1.9233807266982623) internal successors, (4870), 2550 states have internal predecessors, (4870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 4870 transitions. [2023-12-02 13:44:19,621 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 4870 transitions. Word has length 88 [2023-12-02 13:44:19,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:19,622 INFO L495 AbstractCegarLoop]: Abstraction has 2551 states and 4870 transitions. [2023-12-02 13:44:19,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 4870 transitions. [2023-12-02 13:44:19,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 13:44:19,624 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:19,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:19,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 13:44:19,624 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:19,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:19,625 INFO L85 PathProgramCache]: Analyzing trace with hash 718099715, now seen corresponding path program 1 times [2023-12-02 13:44:19,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:19,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443389817] [2023-12-02 13:44:19,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:19,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:19,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:19,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443389817] [2023-12-02 13:44:19,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443389817] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:19,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:19,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:44:19,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653813211] [2023-12-02 13:44:19,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:19,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:44:19,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:19,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:44:19,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:44:19,703 INFO L87 Difference]: Start difference. First operand 2551 states and 4870 transitions. Second operand has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:19,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:19,733 INFO L93 Difference]: Finished difference Result 2550 states and 4869 transitions. [2023-12-02 13:44:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:44:19,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-02 13:44:19,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:19,747 INFO L225 Difference]: With dead ends: 2550 [2023-12-02 13:44:19,747 INFO L226 Difference]: Without dead ends: 2550 [2023-12-02 13:44:19,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:44:19,748 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 2 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:19,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 437 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:44:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2550 states. [2023-12-02 13:44:19,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2550 to 2550. [2023-12-02 13:44:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 2532 states have (on average 1.9229857819905214) internal successors, (4869), 2549 states have internal predecessors, (4869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 4869 transitions. [2023-12-02 13:44:19,838 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 4869 transitions. Word has length 94 [2023-12-02 13:44:19,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:19,839 INFO L495 AbstractCegarLoop]: Abstraction has 2550 states and 4869 transitions. [2023-12-02 13:44:19,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 47.0) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 4869 transitions. [2023-12-02 13:44:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 13:44:19,841 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:19,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:19,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 13:44:19,842 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:19,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:19,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1428895703, now seen corresponding path program 1 times [2023-12-02 13:44:19,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:19,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433083477] [2023-12-02 13:44:19,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:19,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:19,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:19,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433083477] [2023-12-02 13:44:19,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433083477] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:19,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:19,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:44:19,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286461664] [2023-12-02 13:44:19,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:19,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:44:19,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:19,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:44:19,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:44:19,912 INFO L87 Difference]: Start difference. First operand 2550 states and 4869 transitions. Second operand has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:19,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:19,939 INFO L93 Difference]: Finished difference Result 2549 states and 4868 transitions. [2023-12-02 13:44:19,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:44:19,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2023-12-02 13:44:19,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:19,956 INFO L225 Difference]: With dead ends: 2549 [2023-12-02 13:44:19,956 INFO L226 Difference]: Without dead ends: 2549 [2023-12-02 13:44:19,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:44:19,957 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 131 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:19,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 316 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:44:19,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2023-12-02 13:44:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 2549. [2023-12-02 13:44:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2549 states, 2532 states have (on average 1.9225908372827805) internal successors, (4868), 2548 states have internal predecessors, (4868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2549 states and 4868 transitions. [2023-12-02 13:44:20,029 INFO L78 Accepts]: Start accepts. Automaton has 2549 states and 4868 transitions. Word has length 98 [2023-12-02 13:44:20,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:20,030 INFO L495 AbstractCegarLoop]: Abstraction has 2549 states and 4868 transitions. [2023-12-02 13:44:20,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 4868 transitions. [2023-12-02 13:44:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-02 13:44:20,033 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:20,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:20,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 13:44:20,033 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:20,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:20,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1479849926, now seen corresponding path program 1 times [2023-12-02 13:44:20,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:20,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991011466] [2023-12-02 13:44:20,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:20,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:20,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:20,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991011466] [2023-12-02 13:44:20,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991011466] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:20,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:20,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:44:20,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324286306] [2023-12-02 13:44:20,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:20,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:44:20,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:20,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:44:20,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:20,792 INFO L87 Difference]: Start difference. First operand 2549 states and 4868 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:21,627 INFO L93 Difference]: Finished difference Result 3761 states and 7202 transitions. [2023-12-02 13:44:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:44:21,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2023-12-02 13:44:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:21,656 INFO L225 Difference]: With dead ends: 3761 [2023-12-02 13:44:21,656 INFO L226 Difference]: Without dead ends: 3761 [2023-12-02 13:44:21,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:21,657 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 271 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:21,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 1185 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 13:44:21,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3761 states. [2023-12-02 13:44:21,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3761 to 2685. [2023-12-02 13:44:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 2671 states have (on average 1.9225009359790342) internal successors, (5135), 2684 states have internal predecessors, (5135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 5135 transitions. [2023-12-02 13:44:21,759 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 5135 transitions. Word has length 138 [2023-12-02 13:44:21,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:21,760 INFO L495 AbstractCegarLoop]: Abstraction has 2685 states and 5135 transitions. [2023-12-02 13:44:21,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 5135 transitions. [2023-12-02 13:44:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 13:44:21,762 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:21,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:21,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 13:44:21,763 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:21,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:21,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1600637177, now seen corresponding path program 1 times [2023-12-02 13:44:21,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:21,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908890233] [2023-12-02 13:44:21,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:21,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:22,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:22,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908890233] [2023-12-02 13:44:22,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908890233] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:22,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:22,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:44:22,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454478121] [2023-12-02 13:44:22,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:22,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:44:22,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:22,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:44:22,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:22,418 INFO L87 Difference]: Start difference. First operand 2685 states and 5135 transitions. Second operand has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:22,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:22,807 INFO L93 Difference]: Finished difference Result 2802 states and 5364 transitions. [2023-12-02 13:44:22,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:44:22,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2023-12-02 13:44:22,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:22,817 INFO L225 Difference]: With dead ends: 2802 [2023-12-02 13:44:22,817 INFO L226 Difference]: Without dead ends: 2802 [2023-12-02 13:44:22,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:22,818 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 105 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:22,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 815 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:44:22,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2802 states. [2023-12-02 13:44:22,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2802 to 2774. [2023-12-02 13:44:22,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2760 states have (on average 1.923550724637681) internal successors, (5309), 2773 states have internal predecessors, (5309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:22,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 5309 transitions. [2023-12-02 13:44:22,901 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 5309 transitions. Word has length 144 [2023-12-02 13:44:22,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:22,902 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 5309 transitions. [2023-12-02 13:44:22,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:22,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 5309 transitions. [2023-12-02 13:44:22,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 13:44:22,905 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:22,905 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:22,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 13:44:22,905 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:22,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:22,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1634965321, now seen corresponding path program 1 times [2023-12-02 13:44:22,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:22,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453842720] [2023-12-02 13:44:22,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:22,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:23,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:23,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453842720] [2023-12-02 13:44:23,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453842720] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:23,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:23,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:44:23,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104745934] [2023-12-02 13:44:23,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:23,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:44:23,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:23,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:44:23,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:23,450 INFO L87 Difference]: Start difference. First operand 2774 states and 5309 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:24,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:24,114 INFO L93 Difference]: Finished difference Result 3381 states and 6505 transitions. [2023-12-02 13:44:24,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:44:24,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2023-12-02 13:44:24,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:24,127 INFO L225 Difference]: With dead ends: 3381 [2023-12-02 13:44:24,127 INFO L226 Difference]: Without dead ends: 3243 [2023-12-02 13:44:24,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:24,129 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 212 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:24,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 936 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 13:44:24,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2023-12-02 13:44:24,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 2835. [2023-12-02 13:44:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2821 states have (on average 1.9216589861751152) internal successors, (5421), 2834 states have internal predecessors, (5421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 5421 transitions. [2023-12-02 13:44:24,230 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 5421 transitions. Word has length 147 [2023-12-02 13:44:24,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:24,230 INFO L495 AbstractCegarLoop]: Abstraction has 2835 states and 5421 transitions. [2023-12-02 13:44:24,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 5421 transitions. [2023-12-02 13:44:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-02 13:44:24,234 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:24,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:24,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 13:44:24,235 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:24,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:24,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1276534900, now seen corresponding path program 1 times [2023-12-02 13:44:24,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:24,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715567066] [2023-12-02 13:44:24,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:24,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:24,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:24,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715567066] [2023-12-02 13:44:24,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715567066] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:24,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:24,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:44:24,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257352734] [2023-12-02 13:44:24,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:24,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:44:24,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:24,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:44:24,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:24,882 INFO L87 Difference]: Start difference. First operand 2835 states and 5421 transitions. Second operand has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:25,348 INFO L93 Difference]: Finished difference Result 2954 states and 5654 transitions. [2023-12-02 13:44:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:44:25,348 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2023-12-02 13:44:25,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:25,359 INFO L225 Difference]: With dead ends: 2954 [2023-12-02 13:44:25,359 INFO L226 Difference]: Without dead ends: 2954 [2023-12-02 13:44:25,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:44:25,360 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 106 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:25,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 795 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:44:25,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2023-12-02 13:44:25,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2923. [2023-12-02 13:44:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2909 states have (on average 1.922653832932279) internal successors, (5593), 2922 states have internal predecessors, (5593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:25,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 5593 transitions. [2023-12-02 13:44:25,475 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 5593 transitions. Word has length 152 [2023-12-02 13:44:25,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:25,476 INFO L495 AbstractCegarLoop]: Abstraction has 2923 states and 5593 transitions. [2023-12-02 13:44:25,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 5593 transitions. [2023-12-02 13:44:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:25,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:25,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:25,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 13:44:25,480 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:25,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:25,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1170502322, now seen corresponding path program 1 times [2023-12-02 13:44:25,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:25,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664368360] [2023-12-02 13:44:25,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:25,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:26,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:26,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664368360] [2023-12-02 13:44:26,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664368360] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:26,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:26,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:26,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797160182] [2023-12-02 13:44:26,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:26,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:26,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:26,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:26,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:26,749 INFO L87 Difference]: Start difference. First operand 2923 states and 5593 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:28,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:28,718 INFO L93 Difference]: Finished difference Result 5198 states and 10019 transitions. [2023-12-02 13:44:28,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 13:44:28,718 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:28,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:28,729 INFO L225 Difference]: With dead ends: 5198 [2023-12-02 13:44:28,729 INFO L226 Difference]: Without dead ends: 5198 [2023-12-02 13:44:28,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2023-12-02 13:44:28,730 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 702 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:28,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 1951 Invalid, 1853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 13:44:28,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5198 states. [2023-12-02 13:44:28,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5198 to 2972. [2023-12-02 13:44:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2972 states, 2958 states have (on average 1.9242731575388776) internal successors, (5692), 2971 states have internal predecessors, (5692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 5692 transitions. [2023-12-02 13:44:28,825 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 5692 transitions. Word has length 154 [2023-12-02 13:44:28,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:28,825 INFO L495 AbstractCegarLoop]: Abstraction has 2972 states and 5692 transitions. [2023-12-02 13:44:28,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 5692 transitions. [2023-12-02 13:44:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:28,827 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:28,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:28,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 13:44:28,828 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:28,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:28,829 INFO L85 PathProgramCache]: Analyzing trace with hash -290355136, now seen corresponding path program 2 times [2023-12-02 13:44:28,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:28,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337677896] [2023-12-02 13:44:28,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:28,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:30,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:30,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337677896] [2023-12-02 13:44:30,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337677896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:30,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:30,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 13:44:30,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934331532] [2023-12-02 13:44:30,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:30,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 13:44:30,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:30,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 13:44:30,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:44:30,100 INFO L87 Difference]: Start difference. First operand 2972 states and 5692 transitions. Second operand has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:31,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:31,360 INFO L93 Difference]: Finished difference Result 4328 states and 8313 transitions. [2023-12-02 13:44:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-02 13:44:31,361 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:31,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:31,370 INFO L225 Difference]: With dead ends: 4328 [2023-12-02 13:44:31,371 INFO L226 Difference]: Without dead ends: 4328 [2023-12-02 13:44:31,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=469, Unknown=0, NotChecked=0, Total=650 [2023-12-02 13:44:31,372 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 567 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:31,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1593 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 13:44:31,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4328 states. [2023-12-02 13:44:31,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4328 to 2982. [2023-12-02 13:44:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2968 states have (on average 1.9245283018867925) internal successors, (5712), 2981 states have internal predecessors, (5712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 5712 transitions. [2023-12-02 13:44:31,453 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 5712 transitions. Word has length 154 [2023-12-02 13:44:31,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:31,453 INFO L495 AbstractCegarLoop]: Abstraction has 2982 states and 5712 transitions. [2023-12-02 13:44:31,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.0) internal successors, (154), 12 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 5712 transitions. [2023-12-02 13:44:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:31,457 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:31,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:31,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 13:44:31,457 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:31,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:31,458 INFO L85 PathProgramCache]: Analyzing trace with hash -297274336, now seen corresponding path program 3 times [2023-12-02 13:44:31,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:31,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171607599] [2023-12-02 13:44:31,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:31,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:32,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:32,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171607599] [2023-12-02 13:44:32,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171607599] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:32,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:32,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:32,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75703344] [2023-12-02 13:44:32,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:32,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:32,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:32,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:32,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:32,577 INFO L87 Difference]: Start difference. First operand 2982 states and 5712 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:34,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:34,815 INFO L93 Difference]: Finished difference Result 5324 states and 10271 transitions. [2023-12-02 13:44:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 13:44:34,815 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:34,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:34,823 INFO L225 Difference]: With dead ends: 5324 [2023-12-02 13:44:34,823 INFO L226 Difference]: Without dead ends: 5324 [2023-12-02 13:44:34,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=271, Invalid=989, Unknown=0, NotChecked=0, Total=1260 [2023-12-02 13:44:34,824 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 681 mSDsluCounter, 2313 mSDsCounter, 0 mSdLazyCounter, 2405 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 2655 SdHoareTripleChecker+Invalid, 2613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 2405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:34,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 2655 Invalid, 2613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 2405 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 13:44:34,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2023-12-02 13:44:34,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 3000. [2023-12-02 13:44:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 2986 states have (on average 1.9253181513730744) internal successors, (5749), 2999 states have internal predecessors, (5749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 5749 transitions. [2023-12-02 13:44:34,902 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 5749 transitions. Word has length 154 [2023-12-02 13:44:34,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:34,903 INFO L495 AbstractCegarLoop]: Abstraction has 3000 states and 5749 transitions. [2023-12-02 13:44:34,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:34,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 5749 transitions. [2023-12-02 13:44:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:34,905 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:34,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:34,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 13:44:34,906 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:34,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:34,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1301098666, now seen corresponding path program 4 times [2023-12-02 13:44:34,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:34,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920670786] [2023-12-02 13:44:34,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:34,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:36,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:36,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920670786] [2023-12-02 13:44:36,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920670786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:36,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:36,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:36,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320474339] [2023-12-02 13:44:36,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:36,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:36,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:36,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:36,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:36,056 INFO L87 Difference]: Start difference. First operand 3000 states and 5749 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:37,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:37,617 INFO L93 Difference]: Finished difference Result 4467 states and 8587 transitions. [2023-12-02 13:44:37,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 13:44:37,618 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:37,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:37,625 INFO L225 Difference]: With dead ends: 4467 [2023-12-02 13:44:37,625 INFO L226 Difference]: Without dead ends: 4467 [2023-12-02 13:44:37,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2023-12-02 13:44:37,626 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 568 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 1595 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 1956 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:37,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 1956 Invalid, 1703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1595 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:44:37,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4467 states. [2023-12-02 13:44:37,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4467 to 3015. [2023-12-02 13:44:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3015 states, 3001 states have (on average 1.9256914361879374) internal successors, (5779), 3014 states have internal predecessors, (5779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 3015 states and 5779 transitions. [2023-12-02 13:44:37,678 INFO L78 Accepts]: Start accepts. Automaton has 3015 states and 5779 transitions. Word has length 154 [2023-12-02 13:44:37,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:37,678 INFO L495 AbstractCegarLoop]: Abstraction has 3015 states and 5779 transitions. [2023-12-02 13:44:37,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 5779 transitions. [2023-12-02 13:44:37,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:37,681 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:37,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:37,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 13:44:37,681 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:37,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:37,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1308017866, now seen corresponding path program 5 times [2023-12-02 13:44:37,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:37,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087407001] [2023-12-02 13:44:37,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:37,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:38,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:38,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087407001] [2023-12-02 13:44:38,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087407001] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:38,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:38,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:38,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529121983] [2023-12-02 13:44:38,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:38,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:38,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:38,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:38,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:38,419 INFO L87 Difference]: Start difference. First operand 3015 states and 5779 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:40,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:40,451 INFO L93 Difference]: Finished difference Result 5461 states and 10534 transitions. [2023-12-02 13:44:40,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 13:44:40,452 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:40,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:40,463 INFO L225 Difference]: With dead ends: 5461 [2023-12-02 13:44:40,463 INFO L226 Difference]: Without dead ends: 5461 [2023-12-02 13:44:40,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190 [2023-12-02 13:44:40,465 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 656 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:40,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 2454 Invalid, 2396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 2192 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 13:44:40,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5461 states. [2023-12-02 13:44:40,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5461 to 3036. [2023-12-02 13:44:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3036 states, 3022 states have (on average 1.92620780939775) internal successors, (5821), 3035 states have internal predecessors, (5821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 3036 states and 5821 transitions. [2023-12-02 13:44:40,544 INFO L78 Accepts]: Start accepts. Automaton has 3036 states and 5821 transitions. Word has length 154 [2023-12-02 13:44:40,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:40,544 INFO L495 AbstractCegarLoop]: Abstraction has 3036 states and 5821 transitions. [2023-12-02 13:44:40,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3036 states and 5821 transitions. [2023-12-02 13:44:40,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:40,548 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:40,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:40,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 13:44:40,549 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:40,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:40,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1470864406, now seen corresponding path program 6 times [2023-12-02 13:44:40,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:40,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57158085] [2023-12-02 13:44:40,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:40,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:41,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:41,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:41,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57158085] [2023-12-02 13:44:41,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57158085] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:41,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:41,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:41,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110975562] [2023-12-02 13:44:41,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:41,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:41,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:41,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:41,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:41,354 INFO L87 Difference]: Start difference. First operand 3036 states and 5821 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:43,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:43,352 INFO L93 Difference]: Finished difference Result 5463 states and 10545 transitions. [2023-12-02 13:44:43,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 13:44:43,353 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:43,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:43,360 INFO L225 Difference]: With dead ends: 5463 [2023-12-02 13:44:43,360 INFO L226 Difference]: Without dead ends: 5463 [2023-12-02 13:44:43,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=363, Invalid=1359, Unknown=0, NotChecked=0, Total=1722 [2023-12-02 13:44:43,362 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 823 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 2306 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2433 SdHoareTripleChecker+Invalid, 2553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 2306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:43,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 2433 Invalid, 2553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 2306 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-02 13:44:43,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5463 states. [2023-12-02 13:44:43,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5463 to 3028. [2023-12-02 13:44:43,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3028 states, 3014 states have (on average 1.9263437292634373) internal successors, (5806), 3027 states have internal predecessors, (5806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:43,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 5806 transitions. [2023-12-02 13:44:43,424 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 5806 transitions. Word has length 154 [2023-12-02 13:44:43,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:43,425 INFO L495 AbstractCegarLoop]: Abstraction has 3028 states and 5806 transitions. [2023-12-02 13:44:43,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 5806 transitions. [2023-12-02 13:44:43,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:43,429 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:43,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:43,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 13:44:43,430 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:43,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:43,430 INFO L85 PathProgramCache]: Analyzing trace with hash 149073468, now seen corresponding path program 7 times [2023-12-02 13:44:43,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:43,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010339079] [2023-12-02 13:44:43,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:43,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:44,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:44,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:44,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010339079] [2023-12-02 13:44:44,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010339079] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:44,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:44,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:44,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346719740] [2023-12-02 13:44:44,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:44,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:44,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:44,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:44,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:44,207 INFO L87 Difference]: Start difference. First operand 3028 states and 5806 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:45,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:45,802 INFO L93 Difference]: Finished difference Result 5373 states and 10375 transitions. [2023-12-02 13:44:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 13:44:45,803 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:45,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:45,810 INFO L225 Difference]: With dead ends: 5373 [2023-12-02 13:44:45,810 INFO L226 Difference]: Without dead ends: 5373 [2023-12-02 13:44:45,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=356, Invalid=1366, Unknown=0, NotChecked=0, Total=1722 [2023-12-02 13:44:45,812 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 782 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:45,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [782 Valid, 1748 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:44:45,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5373 states. [2023-12-02 13:44:45,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5373 to 3029. [2023-12-02 13:44:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 3015 states have (on average 1.92636815920398) internal successors, (5808), 3028 states have internal predecessors, (5808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 5808 transitions. [2023-12-02 13:44:45,872 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 5808 transitions. Word has length 154 [2023-12-02 13:44:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:45,873 INFO L495 AbstractCegarLoop]: Abstraction has 3029 states and 5808 transitions. [2023-12-02 13:44:45,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 5808 transitions. [2023-12-02 13:44:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:45,875 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:45,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:45,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 13:44:45,876 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:45,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:45,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1373930756, now seen corresponding path program 8 times [2023-12-02 13:44:45,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:45,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432243686] [2023-12-02 13:44:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:45,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:46,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:46,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432243686] [2023-12-02 13:44:46,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432243686] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:46,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:46,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:46,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044345730] [2023-12-02 13:44:46,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:46,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:46,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:46,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:46,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:46,660 INFO L87 Difference]: Start difference. First operand 3029 states and 5808 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:48,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:48,190 INFO L93 Difference]: Finished difference Result 5425 states and 10483 transitions. [2023-12-02 13:44:48,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 13:44:48,190 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:48,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:48,197 INFO L225 Difference]: With dead ends: 5425 [2023-12-02 13:44:48,197 INFO L226 Difference]: Without dead ends: 5425 [2023-12-02 13:44:48,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=362, Invalid=1444, Unknown=0, NotChecked=0, Total=1806 [2023-12-02 13:44:48,198 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 567 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:48,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1994 Invalid, 1830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:44:48,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5425 states. [2023-12-02 13:44:48,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5425 to 3024. [2023-12-02 13:44:48,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 3010 states have (on average 1.9262458471760797) internal successors, (5798), 3023 states have internal predecessors, (5798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 5798 transitions. [2023-12-02 13:44:48,249 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 5798 transitions. Word has length 154 [2023-12-02 13:44:48,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:48,249 INFO L495 AbstractCegarLoop]: Abstraction has 3024 states and 5798 transitions. [2023-12-02 13:44:48,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 5798 transitions. [2023-12-02 13:44:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:48,251 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:48,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:48,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 13:44:48,252 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:48,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:48,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1525717048, now seen corresponding path program 9 times [2023-12-02 13:44:48,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:48,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060387084] [2023-12-02 13:44:48,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:48,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:49,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:49,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060387084] [2023-12-02 13:44:49,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060387084] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:49,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:49,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:49,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250958300] [2023-12-02 13:44:49,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:49,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:49,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:49,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:49,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:49,115 INFO L87 Difference]: Start difference. First operand 3024 states and 5798 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:50,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:50,485 INFO L93 Difference]: Finished difference Result 4433 states and 8522 transitions. [2023-12-02 13:44:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 13:44:50,485 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:50,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:50,490 INFO L225 Difference]: With dead ends: 4433 [2023-12-02 13:44:50,490 INFO L226 Difference]: Without dead ends: 4433 [2023-12-02 13:44:50,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=651, Unknown=0, NotChecked=0, Total=870 [2023-12-02 13:44:50,491 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 635 mSDsluCounter, 1905 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 1941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:50,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 2245 Invalid, 1941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1837 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:44:50,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4433 states. [2023-12-02 13:44:50,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4433 to 3033. [2023-12-02 13:44:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3033 states, 3019 states have (on average 1.9264657171248758) internal successors, (5816), 3032 states have internal predecessors, (5816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 3033 states and 5816 transitions. [2023-12-02 13:44:50,534 INFO L78 Accepts]: Start accepts. Automaton has 3033 states and 5816 transitions. Word has length 154 [2023-12-02 13:44:50,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:50,534 INFO L495 AbstractCegarLoop]: Abstraction has 3033 states and 5816 transitions. [2023-12-02 13:44:50,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3033 states and 5816 transitions. [2023-12-02 13:44:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:50,536 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:50,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:50,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 13:44:50,536 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:50,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:50,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1518797848, now seen corresponding path program 10 times [2023-12-02 13:44:50,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:50,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635283495] [2023-12-02 13:44:50,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:50,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:51,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:51,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635283495] [2023-12-02 13:44:51,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635283495] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:51,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:51,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:51,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433701607] [2023-12-02 13:44:51,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:51,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:51,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:51,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:51,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:51,273 INFO L87 Difference]: Start difference. First operand 3033 states and 5816 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:52,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:52,945 INFO L93 Difference]: Finished difference Result 5318 states and 10212 transitions. [2023-12-02 13:44:52,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 13:44:52,945 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:52,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:52,951 INFO L225 Difference]: With dead ends: 5318 [2023-12-02 13:44:52,951 INFO L226 Difference]: Without dead ends: 5318 [2023-12-02 13:44:52,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2023-12-02 13:44:52,953 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 825 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 2046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:52,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 2306 Invalid, 2046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 13:44:52,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5318 states. [2023-12-02 13:44:52,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5318 to 3054. [2023-12-02 13:44:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3054 states, 3040 states have (on average 1.9269736842105263) internal successors, (5858), 3053 states have internal predecessors, (5858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 5858 transitions. [2023-12-02 13:44:53,007 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 5858 transitions. Word has length 154 [2023-12-02 13:44:53,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:53,007 INFO L495 AbstractCegarLoop]: Abstraction has 3054 states and 5858 transitions. [2023-12-02 13:44:53,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 5858 transitions. [2023-12-02 13:44:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:53,009 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:53,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:53,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 13:44:53,010 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:53,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash 2712824, now seen corresponding path program 11 times [2023-12-02 13:44:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:53,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093620212] [2023-12-02 13:44:53,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:53,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:53,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:53,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093620212] [2023-12-02 13:44:53,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093620212] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:53,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:53,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:53,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210489039] [2023-12-02 13:44:53,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:53,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:53,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:53,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:53,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:53,835 INFO L87 Difference]: Start difference. First operand 3054 states and 5858 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:55,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:55,459 INFO L93 Difference]: Finished difference Result 4392 states and 8444 transitions. [2023-12-02 13:44:55,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 13:44:55,460 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:55,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:55,465 INFO L225 Difference]: With dead ends: 4392 [2023-12-02 13:44:55,465 INFO L226 Difference]: Without dead ends: 4392 [2023-12-02 13:44:55,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2023-12-02 13:44:55,467 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 643 mSDsluCounter, 1990 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 2329 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:55,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 2329 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 13:44:55,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2023-12-02 13:44:55,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 3059. [2023-12-02 13:44:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3059 states, 3045 states have (on average 1.9270935960591133) internal successors, (5868), 3058 states have internal predecessors, (5868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:55,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 3059 states and 5868 transitions. [2023-12-02 13:44:55,519 INFO L78 Accepts]: Start accepts. Automaton has 3059 states and 5868 transitions. Word has length 154 [2023-12-02 13:44:55,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:55,519 INFO L495 AbstractCegarLoop]: Abstraction has 3059 states and 5868 transitions. [2023-12-02 13:44:55,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3059 states and 5868 transitions. [2023-12-02 13:44:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:55,521 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:55,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:55,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 13:44:55,522 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:55,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:55,522 INFO L85 PathProgramCache]: Analyzing trace with hash -4206376, now seen corresponding path program 12 times [2023-12-02 13:44:55,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:55,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054404138] [2023-12-02 13:44:55,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:55,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:56,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:56,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054404138] [2023-12-02 13:44:56,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054404138] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:56,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:56,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:56,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420879477] [2023-12-02 13:44:56,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:56,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:56,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:56,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:56,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:56,396 INFO L87 Difference]: Start difference. First operand 3059 states and 5868 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:58,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:44:58,107 INFO L93 Difference]: Finished difference Result 5425 states and 10430 transitions. [2023-12-02 13:44:58,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-02 13:44:58,108 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:44:58,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:44:58,115 INFO L225 Difference]: With dead ends: 5425 [2023-12-02 13:44:58,115 INFO L226 Difference]: Without dead ends: 5425 [2023-12-02 13:44:58,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=274, Invalid=1058, Unknown=0, NotChecked=0, Total=1332 [2023-12-02 13:44:58,116 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 842 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 2231 SdHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:44:58,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 2231 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 13:44:58,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5425 states. [2023-12-02 13:44:58,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5425 to 3098. [2023-12-02 13:44:58,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 3084 states have (on average 1.9286640726329443) internal successors, (5948), 3097 states have internal predecessors, (5948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 5948 transitions. [2023-12-02 13:44:58,192 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 5948 transitions. Word has length 154 [2023-12-02 13:44:58,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:44:58,193 INFO L495 AbstractCegarLoop]: Abstraction has 3098 states and 5948 transitions. [2023-12-02 13:44:58,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:44:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 5948 transitions. [2023-12-02 13:44:58,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:44:58,195 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:44:58,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:44:58,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 13:44:58,195 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:44:58,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:44:58,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1079434886, now seen corresponding path program 13 times [2023-12-02 13:44:58,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:44:58,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245922244] [2023-12-02 13:44:58,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:44:58,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:44:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:44:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:44:59,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:44:59,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245922244] [2023-12-02 13:44:59,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245922244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:44:59,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:44:59,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:44:59,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778517950] [2023-12-02 13:44:59,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:44:59,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:44:59,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:44:59,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:44:59,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:44:59,020 INFO L87 Difference]: Start difference. First operand 3098 states and 5948 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:01,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:01,068 INFO L93 Difference]: Finished difference Result 5324 states and 10228 transitions. [2023-12-02 13:45:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-02 13:45:01,068 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:45:01,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:01,075 INFO L225 Difference]: With dead ends: 5324 [2023-12-02 13:45:01,075 INFO L226 Difference]: Without dead ends: 5324 [2023-12-02 13:45:01,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=320, Invalid=1162, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 13:45:01,076 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 917 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 2142 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 2530 SdHoareTripleChecker+Invalid, 2378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 2142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:01,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 2530 Invalid, 2378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 2142 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 13:45:01,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2023-12-02 13:45:01,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 3085. [2023-12-02 13:45:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3085 states, 3071 states have (on average 1.9283620970367958) internal successors, (5922), 3084 states have internal predecessors, (5922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 5922 transitions. [2023-12-02 13:45:01,137 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 5922 transitions. Word has length 154 [2023-12-02 13:45:01,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:01,138 INFO L495 AbstractCegarLoop]: Abstraction has 3085 states and 5922 transitions. [2023-12-02 13:45:01,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 5922 transitions. [2023-12-02 13:45:01,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:45:01,140 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:01,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:01,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 13:45:01,140 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:01,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:01,141 INFO L85 PathProgramCache]: Analyzing trace with hash 241368598, now seen corresponding path program 14 times [2023-12-02 13:45:01,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:01,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753161652] [2023-12-02 13:45:01,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:01,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:02,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:02,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753161652] [2023-12-02 13:45:02,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753161652] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:02,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:02,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:45:02,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795100956] [2023-12-02 13:45:02,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:02,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:45:02,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:02,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:45:02,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:45:02,043 INFO L87 Difference]: Start difference. First operand 3085 states and 5922 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:03,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:03,099 INFO L93 Difference]: Finished difference Result 4243 states and 8163 transitions. [2023-12-02 13:45:03,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-02 13:45:03,100 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:45:03,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:03,105 INFO L225 Difference]: With dead ends: 4243 [2023-12-02 13:45:03,105 INFO L226 Difference]: Without dead ends: 4243 [2023-12-02 13:45:03,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2023-12-02 13:45:03,106 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 741 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:03,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 1874 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 13:45:03,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4243 states. [2023-12-02 13:45:03,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4243 to 3090. [2023-12-02 13:45:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3090 states, 3076 states have (on average 1.928478543563069) internal successors, (5932), 3089 states have internal predecessors, (5932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 3090 states and 5932 transitions. [2023-12-02 13:45:03,156 INFO L78 Accepts]: Start accepts. Automaton has 3090 states and 5932 transitions. Word has length 154 [2023-12-02 13:45:03,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:03,157 INFO L495 AbstractCegarLoop]: Abstraction has 3090 states and 5932 transitions. [2023-12-02 13:45:03,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:03,157 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 5932 transitions. [2023-12-02 13:45:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:45:03,159 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:03,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:03,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 13:45:03,159 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:03,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:03,159 INFO L85 PathProgramCache]: Analyzing trace with hash 234449398, now seen corresponding path program 15 times [2023-12-02 13:45:03,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:03,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129237034] [2023-12-02 13:45:03,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:03,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:03,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:03,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129237034] [2023-12-02 13:45:03,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129237034] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:03,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:03,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:45:03,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116402606] [2023-12-02 13:45:03,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:03,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:45:03,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:03,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:45:03,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:45:03,907 INFO L87 Difference]: Start difference. First operand 3090 states and 5932 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:05,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:05,273 INFO L93 Difference]: Finished difference Result 5046 states and 9691 transitions. [2023-12-02 13:45:05,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-02 13:45:05,274 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:45:05,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:05,280 INFO L225 Difference]: With dead ends: 5046 [2023-12-02 13:45:05,281 INFO L226 Difference]: Without dead ends: 5046 [2023-12-02 13:45:05,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=1059, Unknown=0, NotChecked=0, Total=1332 [2023-12-02 13:45:05,282 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 945 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 1623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:05,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 2050 Invalid, 1623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 13:45:05,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5046 states. [2023-12-02 13:45:05,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5046 to 3079. [2023-12-02 13:45:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 3065 states have (on average 1.928221859706362) internal successors, (5910), 3078 states have internal predecessors, (5910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:05,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 5910 transitions. [2023-12-02 13:45:05,351 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 5910 transitions. Word has length 154 [2023-12-02 13:45:05,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:05,351 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 5910 transitions. [2023-12-02 13:45:05,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:05,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 5910 transitions. [2023-12-02 13:45:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:45:05,353 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:05,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:05,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 13:45:05,354 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:05,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:05,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1281635626, now seen corresponding path program 16 times [2023-12-02 13:45:05,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:05,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685281192] [2023-12-02 13:45:05,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:05,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:06,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:06,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685281192] [2023-12-02 13:45:06,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685281192] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:06,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:06,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:45:06,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823903143] [2023-12-02 13:45:06,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:06,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:45:06,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:06,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:45:06,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:45:06,103 INFO L87 Difference]: Start difference. First operand 3079 states and 5910 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:07,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:07,541 INFO L93 Difference]: Finished difference Result 5238 states and 10072 transitions. [2023-12-02 13:45:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 13:45:07,542 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:45:07,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:07,549 INFO L225 Difference]: With dead ends: 5238 [2023-12-02 13:45:07,549 INFO L226 Difference]: Without dead ends: 5238 [2023-12-02 13:45:07,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=331, Invalid=1229, Unknown=0, NotChecked=0, Total=1560 [2023-12-02 13:45:07,550 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 842 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 1685 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:07,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 2244 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1685 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:45:07,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5238 states. [2023-12-02 13:45:07,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5238 to 3098. [2023-12-02 13:45:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 3084 states have (on average 1.9286640726329443) internal successors, (5948), 3097 states have internal predecessors, (5948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 5948 transitions. [2023-12-02 13:45:07,608 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 5948 transitions. Word has length 154 [2023-12-02 13:45:07,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:07,609 INFO L495 AbstractCegarLoop]: Abstraction has 3098 states and 5948 transitions. [2023-12-02 13:45:07,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 5948 transitions. [2023-12-02 13:45:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:45:07,611 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:07,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:07,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 13:45:07,611 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:07,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:07,612 INFO L85 PathProgramCache]: Analyzing trace with hash 717920180, now seen corresponding path program 17 times [2023-12-02 13:45:07,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:07,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532296122] [2023-12-02 13:45:07,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:07,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:08,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:08,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532296122] [2023-12-02 13:45:08,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532296122] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:08,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:08,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:45:08,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337871557] [2023-12-02 13:45:08,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:08,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:45:08,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:08,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:45:08,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:45:08,439 INFO L87 Difference]: Start difference. First operand 3098 states and 5948 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:09,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:09,613 INFO L93 Difference]: Finished difference Result 4098 states and 7880 transitions. [2023-12-02 13:45:09,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 13:45:09,614 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:45:09,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:09,619 INFO L225 Difference]: With dead ends: 4098 [2023-12-02 13:45:09,619 INFO L226 Difference]: Without dead ends: 4098 [2023-12-02 13:45:09,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2023-12-02 13:45:09,620 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 706 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:09,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 2117 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1465 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 13:45:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2023-12-02 13:45:09,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3096. [2023-12-02 13:45:09,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3096 states, 3082 states have (on average 1.9286177806619078) internal successors, (5944), 3095 states have internal predecessors, (5944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 5944 transitions. [2023-12-02 13:45:09,668 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 5944 transitions. Word has length 154 [2023-12-02 13:45:09,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:09,668 INFO L495 AbstractCegarLoop]: Abstraction has 3096 states and 5944 transitions. [2023-12-02 13:45:09,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 5944 transitions. [2023-12-02 13:45:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:45:09,671 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:09,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:09,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 13:45:09,671 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:09,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:09,671 INFO L85 PathProgramCache]: Analyzing trace with hash 711000980, now seen corresponding path program 18 times [2023-12-02 13:45:09,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:09,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302822286] [2023-12-02 13:45:09,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:09,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:10,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:10,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302822286] [2023-12-02 13:45:10,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302822286] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:10,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:10,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:45:10,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721317550] [2023-12-02 13:45:10,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:10,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:45:10,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:10,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:45:10,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:45:10,437 INFO L87 Difference]: Start difference. First operand 3096 states and 5944 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:11,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:11,699 INFO L93 Difference]: Finished difference Result 3739 states and 7132 transitions. [2023-12-02 13:45:11,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 13:45:11,699 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:45:11,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:11,704 INFO L225 Difference]: With dead ends: 3739 [2023-12-02 13:45:11,704 INFO L226 Difference]: Without dead ends: 3739 [2023-12-02 13:45:11,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=251, Invalid=1009, Unknown=0, NotChecked=0, Total=1260 [2023-12-02 13:45:11,705 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 818 mSDsluCounter, 1734 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 2024 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:11,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 2024 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 13:45:11,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3739 states. [2023-12-02 13:45:11,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3739 to 2928. [2023-12-02 13:45:11,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2916 states have (on average 1.9224965706447188) internal successors, (5606), 2927 states have internal predecessors, (5606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 5606 transitions. [2023-12-02 13:45:11,751 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 5606 transitions. Word has length 154 [2023-12-02 13:45:11,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:11,752 INFO L495 AbstractCegarLoop]: Abstraction has 2928 states and 5606 transitions. [2023-12-02 13:45:11,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 5606 transitions. [2023-12-02 13:45:11,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:45:11,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:11,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:11,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-02 13:45:11,755 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:11,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:11,755 INFO L85 PathProgramCache]: Analyzing trace with hash -261938000, now seen corresponding path program 1 times [2023-12-02 13:45:11,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:11,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627124354] [2023-12-02 13:45:11,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:11,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:12,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:12,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627124354] [2023-12-02 13:45:12,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627124354] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:12,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:12,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:45:12,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344285497] [2023-12-02 13:45:12,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:12,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:45:12,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:12,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:45:12,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:45:12,737 INFO L87 Difference]: Start difference. First operand 2928 states and 5606 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:13,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:13,601 INFO L93 Difference]: Finished difference Result 2959 states and 5667 transitions. [2023-12-02 13:45:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 13:45:13,602 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:45:13,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:13,606 INFO L225 Difference]: With dead ends: 2959 [2023-12-02 13:45:13,606 INFO L226 Difference]: Without dead ends: 2959 [2023-12-02 13:45:13,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2023-12-02 13:45:13,607 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 582 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 2120 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:13,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 2120 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 13:45:13,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2959 states. [2023-12-02 13:45:13,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2959 to 2927. [2023-12-02 13:45:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2915 states have (on average 1.9224699828473413) internal successors, (5604), 2926 states have internal predecessors, (5604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 5604 transitions. [2023-12-02 13:45:13,647 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 5604 transitions. Word has length 154 [2023-12-02 13:45:13,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:13,647 INFO L495 AbstractCegarLoop]: Abstraction has 2927 states and 5604 transitions. [2023-12-02 13:45:13,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:13,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 5604 transitions. [2023-12-02 13:45:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 13:45:13,649 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:13,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:13,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-02 13:45:13,649 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:13,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:13,650 INFO L85 PathProgramCache]: Analyzing trace with hash -223507610, now seen corresponding path program 2 times [2023-12-02 13:45:13,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:13,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088370741] [2023-12-02 13:45:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:14,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:14,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:14,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088370741] [2023-12-02 13:45:14,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088370741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:14,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:14,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:45:14,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081515196] [2023-12-02 13:45:14,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:14,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:45:14,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:14,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:45:14,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:45:14,392 INFO L87 Difference]: Start difference. First operand 2927 states and 5604 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:15,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:15,179 INFO L93 Difference]: Finished difference Result 3211 states and 6110 transitions. [2023-12-02 13:45:15,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-02 13:45:15,180 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2023-12-02 13:45:15,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:15,184 INFO L225 Difference]: With dead ends: 3211 [2023-12-02 13:45:15,184 INFO L226 Difference]: Without dead ends: 3211 [2023-12-02 13:45:15,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2023-12-02 13:45:15,185 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 574 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 2275 SdHoareTripleChecker+Invalid, 1164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:15,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 2275 Invalid, 1164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 13:45:15,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3211 states. [2023-12-02 13:45:15,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3211 to 2879. [2023-12-02 13:45:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2867 states have (on average 1.920823160097663) internal successors, (5507), 2878 states have internal predecessors, (5507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 5507 transitions. [2023-12-02 13:45:15,222 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 5507 transitions. Word has length 154 [2023-12-02 13:45:15,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:15,222 INFO L495 AbstractCegarLoop]: Abstraction has 2879 states and 5507 transitions. [2023-12-02 13:45:15,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:15,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 5507 transitions. [2023-12-02 13:45:15,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 13:45:15,224 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:15,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:15,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-02 13:45:15,225 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:15,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:15,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1698551989, now seen corresponding path program 1 times [2023-12-02 13:45:15,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:15,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713770608] [2023-12-02 13:45:15,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:15,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:15,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:15,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713770608] [2023-12-02 13:45:15,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713770608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:15,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:15,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 13:45:15,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866726290] [2023-12-02 13:45:15,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:15,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:45:15,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:15,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:45:15,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:45:15,962 INFO L87 Difference]: Start difference. First operand 2879 states and 5507 transitions. Second operand has 13 states, 12 states have (on average 13.5) internal successors, (162), 13 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:16,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:16,875 INFO L93 Difference]: Finished difference Result 3163 states and 6012 transitions. [2023-12-02 13:45:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-02 13:45:16,876 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.5) internal successors, (162), 13 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2023-12-02 13:45:16,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:16,880 INFO L225 Difference]: With dead ends: 3163 [2023-12-02 13:45:16,880 INFO L226 Difference]: Without dead ends: 3163 [2023-12-02 13:45:16,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2023-12-02 13:45:16,881 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 596 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:16,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 2464 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 13:45:16,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3163 states. [2023-12-02 13:45:16,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3163 to 2829. [2023-12-02 13:45:16,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2829 states, 2817 states have (on average 1.9187078452254172) internal successors, (5405), 2828 states have internal predecessors, (5405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2829 states and 5405 transitions. [2023-12-02 13:45:16,917 INFO L78 Accepts]: Start accepts. Automaton has 2829 states and 5405 transitions. Word has length 162 [2023-12-02 13:45:16,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:16,917 INFO L495 AbstractCegarLoop]: Abstraction has 2829 states and 5405 transitions. [2023-12-02 13:45:16,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.5) internal successors, (162), 13 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 5405 transitions. [2023-12-02 13:45:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:45:16,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:16,919 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:16,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-02 13:45:16,919 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:16,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:16,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1938232329, now seen corresponding path program 1 times [2023-12-02 13:45:16,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:16,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138801600] [2023-12-02 13:45:16,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:16,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:18,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:18,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138801600] [2023-12-02 13:45:18,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138801600] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:18,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:18,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:45:18,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254153807] [2023-12-02 13:45:18,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:18,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:45:18,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:18,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:45:18,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:45:18,546 INFO L87 Difference]: Start difference. First operand 2829 states and 5405 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:21,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:21,078 INFO L93 Difference]: Finished difference Result 5632 states and 10946 transitions. [2023-12-02 13:45:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-02 13:45:21,079 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:45:21,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:21,086 INFO L225 Difference]: With dead ends: 5632 [2023-12-02 13:45:21,086 INFO L226 Difference]: Without dead ends: 5632 [2023-12-02 13:45:21,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=483, Invalid=2379, Unknown=0, NotChecked=0, Total=2862 [2023-12-02 13:45:21,087 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 979 mSDsluCounter, 3057 mSDsCounter, 0 mSdLazyCounter, 2676 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 3272 SdHoareTripleChecker+Invalid, 2719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:21,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 3272 Invalid, 2719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2676 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 13:45:21,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5632 states. [2023-12-02 13:45:21,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5632 to 2955. [2023-12-02 13:45:21,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2955 states, 2943 states have (on average 1.9221882432891608) internal successors, (5657), 2954 states have internal predecessors, (5657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 5657 transitions. [2023-12-02 13:45:21,139 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 5657 transitions. Word has length 163 [2023-12-02 13:45:21,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:21,140 INFO L495 AbstractCegarLoop]: Abstraction has 2955 states and 5657 transitions. [2023-12-02 13:45:21,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 5657 transitions. [2023-12-02 13:45:21,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:45:21,142 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:21,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:21,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-02 13:45:21,143 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:21,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:21,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1979332531, now seen corresponding path program 2 times [2023-12-02 13:45:21,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:21,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476079361] [2023-12-02 13:45:21,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:21,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:22,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:22,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476079361] [2023-12-02 13:45:22,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476079361] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:22,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:22,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:45:22,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424422489] [2023-12-02 13:45:22,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:22,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:45:22,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:22,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:45:22,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:45:22,817 INFO L87 Difference]: Start difference. First operand 2955 states and 5657 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:26,361 INFO L93 Difference]: Finished difference Result 5681 states and 11042 transitions. [2023-12-02 13:45:26,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 13:45:26,362 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:45:26,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:26,369 INFO L225 Difference]: With dead ends: 5681 [2023-12-02 13:45:26,369 INFO L226 Difference]: Without dead ends: 5681 [2023-12-02 13:45:26,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=586, Invalid=3196, Unknown=0, NotChecked=0, Total=3782 [2023-12-02 13:45:26,372 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 1063 mSDsluCounter, 3817 mSDsCounter, 0 mSdLazyCounter, 3923 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 4027 SdHoareTripleChecker+Invalid, 3976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:26,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 4027 Invalid, 3976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 3923 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:45:26,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5681 states. [2023-12-02 13:45:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5681 to 2966. [2023-12-02 13:45:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2966 states, 2954 states have (on average 1.9224779959377116) internal successors, (5679), 2965 states have internal predecessors, (5679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:26,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2966 states and 5679 transitions. [2023-12-02 13:45:26,441 INFO L78 Accepts]: Start accepts. Automaton has 2966 states and 5679 transitions. Word has length 163 [2023-12-02 13:45:26,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:26,442 INFO L495 AbstractCegarLoop]: Abstraction has 2966 states and 5679 transitions. [2023-12-02 13:45:26,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:26,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 5679 transitions. [2023-12-02 13:45:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:45:26,445 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:26,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:26,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-02 13:45:26,446 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:26,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:26,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1238042969, now seen corresponding path program 3 times [2023-12-02 13:45:26,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:26,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227545224] [2023-12-02 13:45:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:26,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:28,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:28,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227545224] [2023-12-02 13:45:28,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227545224] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:28,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:28,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:45:28,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338507892] [2023-12-02 13:45:28,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:28,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:45:28,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:28,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:45:28,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:45:28,299 INFO L87 Difference]: Start difference. First operand 2966 states and 5679 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:31,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:31,598 INFO L93 Difference]: Finished difference Result 5730 states and 11138 transitions. [2023-12-02 13:45:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 13:45:31,599 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:45:31,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:31,606 INFO L225 Difference]: With dead ends: 5730 [2023-12-02 13:45:31,606 INFO L226 Difference]: Without dead ends: 5730 [2023-12-02 13:45:31,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=693, Invalid=3729, Unknown=0, NotChecked=0, Total=4422 [2023-12-02 13:45:31,608 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 1359 mSDsluCounter, 3229 mSDsCounter, 0 mSdLazyCounter, 3343 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1359 SdHoareTripleChecker+Valid, 3447 SdHoareTripleChecker+Invalid, 3410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:31,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1359 Valid, 3447 Invalid, 3410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 3343 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 13:45:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5730 states. [2023-12-02 13:45:31,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5730 to 2977. [2023-12-02 13:45:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2977 states, 2965 states have (on average 1.9227655986509276) internal successors, (5701), 2976 states have internal predecessors, (5701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 2977 states and 5701 transitions. [2023-12-02 13:45:31,663 INFO L78 Accepts]: Start accepts. Automaton has 2977 states and 5701 transitions. Word has length 163 [2023-12-02 13:45:31,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:31,664 INFO L495 AbstractCegarLoop]: Abstraction has 2977 states and 5701 transitions. [2023-12-02 13:45:31,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2977 states and 5701 transitions. [2023-12-02 13:45:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:45:31,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:31,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:31,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-02 13:45:31,667 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:31,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:31,668 INFO L85 PathProgramCache]: Analyzing trace with hash 305550485, now seen corresponding path program 4 times [2023-12-02 13:45:31,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:31,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677911618] [2023-12-02 13:45:31,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:31,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:33,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:33,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677911618] [2023-12-02 13:45:33,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677911618] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:33,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:33,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:45:33,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675040124] [2023-12-02 13:45:33,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:33,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:45:33,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:33,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:45:33,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:45:33,314 INFO L87 Difference]: Start difference. First operand 2977 states and 5701 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:37,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:37,767 INFO L93 Difference]: Finished difference Result 5837 states and 11353 transitions. [2023-12-02 13:45:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-12-02 13:45:37,767 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:45:37,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:37,775 INFO L225 Difference]: With dead ends: 5837 [2023-12-02 13:45:37,775 INFO L226 Difference]: Without dead ends: 5837 [2023-12-02 13:45:37,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1673 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1031, Invalid=5449, Unknown=0, NotChecked=0, Total=6480 [2023-12-02 13:45:37,777 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 1465 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 4076 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 3903 SdHoareTripleChecker+Invalid, 4161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:37,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 3903 Invalid, 4161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4076 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:45:37,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5837 states. [2023-12-02 13:45:37,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5837 to 2988. [2023-12-02 13:45:37,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2976 states have (on average 1.9230510752688172) internal successors, (5723), 2987 states have internal predecessors, (5723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:37,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 5723 transitions. [2023-12-02 13:45:37,832 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 5723 transitions. Word has length 163 [2023-12-02 13:45:37,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:37,832 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 5723 transitions. [2023-12-02 13:45:37,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:37,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 5723 transitions. [2023-12-02 13:45:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:45:37,835 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:37,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:37,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-02 13:45:37,835 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:37,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:37,835 INFO L85 PathProgramCache]: Analyzing trace with hash 805525767, now seen corresponding path program 1 times [2023-12-02 13:45:37,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:37,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202723762] [2023-12-02 13:45:37,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:37,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:39,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:39,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202723762] [2023-12-02 13:45:39,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202723762] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:39,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:39,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:45:39,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093392468] [2023-12-02 13:45:39,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:39,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:45:39,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:39,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:45:39,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:45:39,340 INFO L87 Difference]: Start difference. First operand 2988 states and 5723 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:42,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:42,394 INFO L93 Difference]: Finished difference Result 6151 states and 11973 transitions. [2023-12-02 13:45:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-02 13:45:42,395 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:45:42,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:42,403 INFO L225 Difference]: With dead ends: 6151 [2023-12-02 13:45:42,403 INFO L226 Difference]: Without dead ends: 6151 [2023-12-02 13:45:42,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 800 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=576, Invalid=3456, Unknown=0, NotChecked=0, Total=4032 [2023-12-02 13:45:42,405 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 1403 mSDsluCounter, 3190 mSDsCounter, 0 mSdLazyCounter, 3567 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1403 SdHoareTripleChecker+Valid, 3431 SdHoareTripleChecker+Invalid, 3671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 3567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:42,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1403 Valid, 3431 Invalid, 3671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 3567 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 13:45:42,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2023-12-02 13:45:42,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 3206. [2023-12-02 13:45:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3206 states, 3194 states have (on average 1.9304946775203506) internal successors, (6166), 3205 states have internal predecessors, (6166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:42,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3206 states to 3206 states and 6166 transitions. [2023-12-02 13:45:42,465 INFO L78 Accepts]: Start accepts. Automaton has 3206 states and 6166 transitions. Word has length 163 [2023-12-02 13:45:42,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:42,465 INFO L495 AbstractCegarLoop]: Abstraction has 3206 states and 6166 transitions. [2023-12-02 13:45:42,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3206 states and 6166 transitions. [2023-12-02 13:45:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:45:42,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:42,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:42,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-02 13:45:42,468 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:42,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:42,469 INFO L85 PathProgramCache]: Analyzing trace with hash 319525475, now seen corresponding path program 5 times [2023-12-02 13:45:42,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:42,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000379732] [2023-12-02 13:45:42,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:42,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:43,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:43,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:43,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000379732] [2023-12-02 13:45:43,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000379732] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:43,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:43,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:45:43,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410160855] [2023-12-02 13:45:43,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:43,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:45:43,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:43,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:45:43,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:45:43,791 INFO L87 Difference]: Start difference. First operand 3206 states and 6166 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:47,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:47,410 INFO L93 Difference]: Finished difference Result 5587 states and 10852 transitions. [2023-12-02 13:45:47,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-12-02 13:45:47,411 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:45:47,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:47,417 INFO L225 Difference]: With dead ends: 5587 [2023-12-02 13:45:47,417 INFO L226 Difference]: Without dead ends: 5587 [2023-12-02 13:45:47,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1623 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=965, Invalid=5515, Unknown=0, NotChecked=0, Total=6480 [2023-12-02 13:45:47,420 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 1586 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 3511 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 3665 SdHoareTripleChecker+Invalid, 3576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 3511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:47,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 3665 Invalid, 3576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 3511 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:45:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5587 states. [2023-12-02 13:45:47,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5587 to 3162. [2023-12-02 13:45:47,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3162 states, 3150 states have (on average 1.9282539682539683) internal successors, (6074), 3161 states have internal predecessors, (6074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 6074 transitions. [2023-12-02 13:45:47,491 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 6074 transitions. Word has length 163 [2023-12-02 13:45:47,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:47,491 INFO L495 AbstractCegarLoop]: Abstraction has 3162 states and 6074 transitions. [2023-12-02 13:45:47,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:47,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 6074 transitions. [2023-12-02 13:45:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:45:47,495 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:47,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:47,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-02 13:45:47,495 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:47,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:47,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1135345475, now seen corresponding path program 2 times [2023-12-02 13:45:47,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:47,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970829828] [2023-12-02 13:45:47,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:47,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:48,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:48,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970829828] [2023-12-02 13:45:48,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970829828] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:48,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:48,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:45:48,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866857063] [2023-12-02 13:45:48,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:48,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:45:48,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:48,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:45:48,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:45:48,892 INFO L87 Difference]: Start difference. First operand 3162 states and 6074 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:52,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:52,135 INFO L93 Difference]: Finished difference Result 6798 states and 13270 transitions. [2023-12-02 13:45:52,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 13:45:52,136 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:45:52,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:52,145 INFO L225 Difference]: With dead ends: 6798 [2023-12-02 13:45:52,145 INFO L226 Difference]: Without dead ends: 6798 [2023-12-02 13:45:52,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=707, Invalid=3985, Unknown=0, NotChecked=0, Total=4692 [2023-12-02 13:45:52,147 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 1525 mSDsluCounter, 3832 mSDsCounter, 0 mSdLazyCounter, 3518 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 4123 SdHoareTripleChecker+Invalid, 3673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 3518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:52,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 4123 Invalid, 3673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 3518 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:45:52,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6798 states. [2023-12-02 13:45:52,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6798 to 3242. [2023-12-02 13:45:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3242 states, 3230 states have (on average 1.9312693498452012) internal successors, (6238), 3241 states have internal predecessors, (6238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:52,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 6238 transitions. [2023-12-02 13:45:52,214 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 6238 transitions. Word has length 163 [2023-12-02 13:45:52,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:52,214 INFO L495 AbstractCegarLoop]: Abstraction has 3242 states and 6238 transitions. [2023-12-02 13:45:52,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 6238 transitions. [2023-12-02 13:45:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:45:52,217 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:52,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:52,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-02 13:45:52,218 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:52,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash 649345183, now seen corresponding path program 6 times [2023-12-02 13:45:52,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:52,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196752026] [2023-12-02 13:45:52,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:45:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:45:53,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:45:53,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196752026] [2023-12-02 13:45:53,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196752026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:45:53,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:45:53,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:45:53,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81356139] [2023-12-02 13:45:53,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:45:53,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:45:53,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:45:53,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:45:53,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:45:53,672 INFO L87 Difference]: Start difference. First operand 3242 states and 6238 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:58,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:45:58,533 INFO L93 Difference]: Finished difference Result 6091 states and 11863 transitions. [2023-12-02 13:45:58,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-12-02 13:45:58,533 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:45:58,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:45:58,541 INFO L225 Difference]: With dead ends: 6091 [2023-12-02 13:45:58,541 INFO L226 Difference]: Without dead ends: 6091 [2023-12-02 13:45:58,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3189 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1520, Invalid=9400, Unknown=0, NotChecked=0, Total=10920 [2023-12-02 13:45:58,543 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1421 mSDsluCounter, 4562 mSDsCounter, 0 mSdLazyCounter, 4983 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1421 SdHoareTripleChecker+Valid, 4880 SdHoareTripleChecker+Invalid, 5050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 4983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:45:58,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1421 Valid, 4880 Invalid, 5050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 4983 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:45:58,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6091 states. [2023-12-02 13:45:58,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6091 to 3200. [2023-12-02 13:45:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3200 states, 3188 states have (on average 1.9291091593475533) internal successors, (6150), 3199 states have internal predecessors, (6150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 6150 transitions. [2023-12-02 13:45:58,600 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 6150 transitions. Word has length 163 [2023-12-02 13:45:58,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:45:58,601 INFO L495 AbstractCegarLoop]: Abstraction has 3200 states and 6150 transitions. [2023-12-02 13:45:58,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:45:58,601 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 6150 transitions. [2023-12-02 13:45:58,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:45:58,603 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:45:58,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:45:58,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-02 13:45:58,604 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:45:58,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:45:58,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1511416967, now seen corresponding path program 3 times [2023-12-02 13:45:58,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:45:58,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608452007] [2023-12-02 13:45:58,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:45:58,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:45:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:00,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:00,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608452007] [2023-12-02 13:46:00,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608452007] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:00,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:00,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:46:00,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868468369] [2023-12-02 13:46:00,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:00,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:46:00,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:00,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:46:00,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:46:00,137 INFO L87 Difference]: Start difference. First operand 3200 states and 6150 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:03,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:03,398 INFO L93 Difference]: Finished difference Result 6520 states and 12711 transitions. [2023-12-02 13:46:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-12-02 13:46:03,399 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:03,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:03,411 INFO L225 Difference]: With dead ends: 6520 [2023-12-02 13:46:03,411 INFO L226 Difference]: Without dead ends: 6520 [2023-12-02 13:46:03,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=637, Invalid=3785, Unknown=0, NotChecked=0, Total=4422 [2023-12-02 13:46:03,412 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 1761 mSDsluCounter, 3475 mSDsCounter, 0 mSdLazyCounter, 3273 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 3761 SdHoareTripleChecker+Invalid, 3408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:03,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 3761 Invalid, 3408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3273 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:46:03,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6520 states. [2023-12-02 13:46:03,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6520 to 3202. [2023-12-02 13:46:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3202 states, 3190 states have (on average 1.929153605015674) internal successors, (6154), 3201 states have internal predecessors, (6154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:03,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 3202 states and 6154 transitions. [2023-12-02 13:46:03,477 INFO L78 Accepts]: Start accepts. Automaton has 3202 states and 6154 transitions. Word has length 163 [2023-12-02 13:46:03,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:03,477 INFO L495 AbstractCegarLoop]: Abstraction has 3202 states and 6154 transitions. [2023-12-02 13:46:03,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3202 states and 6154 transitions. [2023-12-02 13:46:03,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:03,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:03,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:03,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-02 13:46:03,480 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:03,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:03,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1503686569, now seen corresponding path program 4 times [2023-12-02 13:46:03,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:03,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796105970] [2023-12-02 13:46:03,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:03,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:04,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:04,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:04,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796105970] [2023-12-02 13:46:04,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796105970] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:04,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:04,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:46:04,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732661593] [2023-12-02 13:46:04,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:04,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:46:04,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:04,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:46:04,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:46:04,972 INFO L87 Difference]: Start difference. First operand 3202 states and 6154 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:08,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:08,610 INFO L93 Difference]: Finished difference Result 6602 states and 12875 transitions. [2023-12-02 13:46:08,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 13:46:08,610 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:08,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:08,622 INFO L225 Difference]: With dead ends: 6602 [2023-12-02 13:46:08,622 INFO L226 Difference]: Without dead ends: 6602 [2023-12-02 13:46:08,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1055 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=690, Invalid=4140, Unknown=0, NotChecked=0, Total=4830 [2023-12-02 13:46:08,623 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 1512 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 3996 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 4216 SdHoareTripleChecker+Invalid, 4127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 3996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:08,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 4216 Invalid, 4127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 3996 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:46:08,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6602 states. [2023-12-02 13:46:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6602 to 3221. [2023-12-02 13:46:08,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3221 states, 3209 states have (on average 1.9295730757245249) internal successors, (6192), 3220 states have internal predecessors, (6192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3221 states to 3221 states and 6192 transitions. [2023-12-02 13:46:08,677 INFO L78 Accepts]: Start accepts. Automaton has 3221 states and 6192 transitions. Word has length 163 [2023-12-02 13:46:08,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:08,678 INFO L495 AbstractCegarLoop]: Abstraction has 3221 states and 6192 transitions. [2023-12-02 13:46:08,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:08,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3221 states and 6192 transitions. [2023-12-02 13:46:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:08,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:08,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:08,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-02 13:46:08,681 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:08,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:08,681 INFO L85 PathProgramCache]: Analyzing trace with hash -575607259, now seen corresponding path program 5 times [2023-12-02 13:46:08,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:08,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085452338] [2023-12-02 13:46:08,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:08,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:10,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:10,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:10,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085452338] [2023-12-02 13:46:10,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085452338] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:10,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:10,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:46:10,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355698299] [2023-12-02 13:46:10,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:10,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:46:10,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:10,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:46:10,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:46:10,113 INFO L87 Difference]: Start difference. First operand 3221 states and 6192 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:14,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:14,145 INFO L93 Difference]: Finished difference Result 6635 states and 12941 transitions. [2023-12-02 13:46:14,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 13:46:14,146 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:14,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:14,155 INFO L225 Difference]: With dead ends: 6635 [2023-12-02 13:46:14,155 INFO L226 Difference]: Without dead ends: 6635 [2023-12-02 13:46:14,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=682, Invalid=4148, Unknown=0, NotChecked=0, Total=4830 [2023-12-02 13:46:14,156 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 1422 mSDsluCounter, 4772 mSDsCounter, 0 mSdLazyCounter, 4801 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 5054 SdHoareTripleChecker+Invalid, 4958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 4801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:14,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 5054 Invalid, 4958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 4801 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 13:46:14,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6635 states. [2023-12-02 13:46:14,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6635 to 3221. [2023-12-02 13:46:14,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3221 states, 3209 states have (on average 1.9295730757245249) internal successors, (6192), 3220 states have internal predecessors, (6192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3221 states to 3221 states and 6192 transitions. [2023-12-02 13:46:14,217 INFO L78 Accepts]: Start accepts. Automaton has 3221 states and 6192 transitions. Word has length 163 [2023-12-02 13:46:14,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:14,217 INFO L495 AbstractCegarLoop]: Abstraction has 3221 states and 6192 transitions. [2023-12-02 13:46:14,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3221 states and 6192 transitions. [2023-12-02 13:46:14,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:14,221 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:14,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:14,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-02 13:46:14,221 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:14,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:14,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1317683981, now seen corresponding path program 6 times [2023-12-02 13:46:14,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:14,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546055690] [2023-12-02 13:46:14,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:14,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:15,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:15,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546055690] [2023-12-02 13:46:15,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546055690] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:15,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:15,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:46:15,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3135189] [2023-12-02 13:46:15,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:15,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:46:15,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:15,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:46:15,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:46:15,720 INFO L87 Difference]: Start difference. First operand 3221 states and 6192 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:19,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:19,756 INFO L93 Difference]: Finished difference Result 6594 states and 12859 transitions. [2023-12-02 13:46:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 13:46:19,757 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:19,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:19,768 INFO L225 Difference]: With dead ends: 6594 [2023-12-02 13:46:19,769 INFO L226 Difference]: Without dead ends: 6594 [2023-12-02 13:46:19,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1064 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=676, Invalid=4154, Unknown=0, NotChecked=0, Total=4830 [2023-12-02 13:46:19,770 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 1713 mSDsluCounter, 4306 mSDsCounter, 0 mSdLazyCounter, 4456 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 4585 SdHoareTripleChecker+Invalid, 4625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 4456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:19,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1713 Valid, 4585 Invalid, 4625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 4456 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 13:46:19,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6594 states. [2023-12-02 13:46:19,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6594 to 3197. [2023-12-02 13:46:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3197 states, 3185 states have (on average 1.9290423861852433) internal successors, (6144), 3196 states have internal predecessors, (6144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:19,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 3197 states and 6144 transitions. [2023-12-02 13:46:19,841 INFO L78 Accepts]: Start accepts. Automaton has 3197 states and 6144 transitions. Word has length 163 [2023-12-02 13:46:19,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:19,841 INFO L495 AbstractCegarLoop]: Abstraction has 3197 states and 6144 transitions. [2023-12-02 13:46:19,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3197 states and 6144 transitions. [2023-12-02 13:46:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:19,844 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:19,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:19,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-02 13:46:19,844 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:19,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:19,845 INFO L85 PathProgramCache]: Analyzing trace with hash 244973537, now seen corresponding path program 7 times [2023-12-02 13:46:19,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:19,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023082186] [2023-12-02 13:46:19,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:19,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:21,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:21,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023082186] [2023-12-02 13:46:21,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023082186] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:21,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:21,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:46:21,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896324844] [2023-12-02 13:46:21,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:21,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:46:21,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:21,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:46:21,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:46:21,263 INFO L87 Difference]: Start difference. First operand 3197 states and 6144 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:25,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:25,082 INFO L93 Difference]: Finished difference Result 7831 states and 15301 transitions. [2023-12-02 13:46:25,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 13:46:25,083 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:25,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:25,094 INFO L225 Difference]: With dead ends: 7831 [2023-12-02 13:46:25,094 INFO L226 Difference]: Without dead ends: 7831 [2023-12-02 13:46:25,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1400 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=876, Invalid=4824, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 13:46:25,095 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 1877 mSDsluCounter, 3736 mSDsCounter, 0 mSdLazyCounter, 3412 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 4061 SdHoareTripleChecker+Invalid, 3557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 3412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:25,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 4061 Invalid, 3557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 3412 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:46:25,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7831 states. [2023-12-02 13:46:25,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7831 to 3285. [2023-12-02 13:46:25,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3285 states, 3273 states have (on average 1.9321723189734188) internal successors, (6324), 3284 states have internal predecessors, (6324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 6324 transitions. [2023-12-02 13:46:25,161 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 6324 transitions. Word has length 163 [2023-12-02 13:46:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:25,162 INFO L495 AbstractCegarLoop]: Abstraction has 3285 states and 6324 transitions. [2023-12-02 13:46:25,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 6324 transitions. [2023-12-02 13:46:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:25,164 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:25,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:25,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-02 13:46:25,165 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:25,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:25,165 INFO L85 PathProgramCache]: Analyzing trace with hash -241026755, now seen corresponding path program 7 times [2023-12-02 13:46:25,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:25,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906658400] [2023-12-02 13:46:25,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:25,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:26,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:26,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906658400] [2023-12-02 13:46:26,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906658400] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:26,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:26,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:46:26,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884174893] [2023-12-02 13:46:26,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:26,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:46:26,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:26,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:46:26,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:46:26,611 INFO L87 Difference]: Start difference. First operand 3285 states and 6324 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:31,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:31,343 INFO L93 Difference]: Finished difference Result 6876 states and 13406 transitions. [2023-12-02 13:46:31,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-12-02 13:46:31,344 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:31,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:31,354 INFO L225 Difference]: With dead ends: 6876 [2023-12-02 13:46:31,354 INFO L226 Difference]: Without dead ends: 6876 [2023-12-02 13:46:31,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3612 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1655, Invalid=10335, Unknown=0, NotChecked=0, Total=11990 [2023-12-02 13:46:31,356 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 1670 mSDsluCounter, 4414 mSDsCounter, 0 mSdLazyCounter, 4558 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 4765 SdHoareTripleChecker+Invalid, 4629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 4558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:31,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 4765 Invalid, 4629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 4558 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:46:31,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6876 states. [2023-12-02 13:46:31,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6876 to 3249. [2023-12-02 13:46:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3249 states, 3237 states have (on average 1.930182267531665) internal successors, (6248), 3248 states have internal predecessors, (6248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 3249 states and 6248 transitions. [2023-12-02 13:46:31,417 INFO L78 Accepts]: Start accepts. Automaton has 3249 states and 6248 transitions. Word has length 163 [2023-12-02 13:46:31,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:31,417 INFO L495 AbstractCegarLoop]: Abstraction has 3249 states and 6248 transitions. [2023-12-02 13:46:31,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 6248 transitions. [2023-12-02 13:46:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:31,420 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:31,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:31,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-02 13:46:31,421 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:31,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:31,421 INFO L85 PathProgramCache]: Analyzing trace with hash 621045029, now seen corresponding path program 8 times [2023-12-02 13:46:31,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:31,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280330786] [2023-12-02 13:46:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:31,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:32,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:32,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280330786] [2023-12-02 13:46:32,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280330786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:32,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:32,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:46:32,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69352547] [2023-12-02 13:46:32,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:32,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:46:32,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:32,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:46:32,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:46:32,911 INFO L87 Difference]: Start difference. First operand 3249 states and 6248 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:36,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:36,972 INFO L93 Difference]: Finished difference Result 8086 states and 15811 transitions. [2023-12-02 13:46:36,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 13:46:36,972 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:36,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:36,983 INFO L225 Difference]: With dead ends: 8086 [2023-12-02 13:46:36,983 INFO L226 Difference]: Without dead ends: 8086 [2023-12-02 13:46:36,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1429 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=858, Invalid=4994, Unknown=0, NotChecked=0, Total=5852 [2023-12-02 13:46:36,984 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 2033 mSDsluCounter, 4262 mSDsCounter, 0 mSdLazyCounter, 3856 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 4598 SdHoareTripleChecker+Invalid, 4006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 3856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:36,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2033 Valid, 4598 Invalid, 4006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 3856 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:46:36,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8086 states. [2023-12-02 13:46:37,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8086 to 3255. [2023-12-02 13:46:37,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3255 states, 3243 states have (on average 1.9303114400246686) internal successors, (6260), 3254 states have internal predecessors, (6260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 6260 transitions. [2023-12-02 13:46:37,056 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 6260 transitions. Word has length 163 [2023-12-02 13:46:37,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:37,057 INFO L495 AbstractCegarLoop]: Abstraction has 3255 states and 6260 transitions. [2023-12-02 13:46:37,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 6260 transitions. [2023-12-02 13:46:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:37,060 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:37,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:37,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-02 13:46:37,060 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:37,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:37,061 INFO L85 PathProgramCache]: Analyzing trace with hash 613314631, now seen corresponding path program 9 times [2023-12-02 13:46:37,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:37,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099265295] [2023-12-02 13:46:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:37,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:38,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:38,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099265295] [2023-12-02 13:46:38,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099265295] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:38,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:38,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:46:38,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953751885] [2023-12-02 13:46:38,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:38,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:46:38,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:38,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:46:38,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:46:38,478 INFO L87 Difference]: Start difference. First operand 3255 states and 6260 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:42,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:42,971 INFO L93 Difference]: Finished difference Result 8168 states and 15975 transitions. [2023-12-02 13:46:42,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 13:46:42,972 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:42,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:42,982 INFO L225 Difference]: With dead ends: 8168 [2023-12-02 13:46:42,982 INFO L226 Difference]: Without dead ends: 8168 [2023-12-02 13:46:42,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1416 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=891, Invalid=4809, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 13:46:42,983 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 1752 mSDsluCounter, 4839 mSDsCounter, 0 mSdLazyCounter, 4235 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 5194 SdHoareTripleChecker+Invalid, 4387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 4235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:42,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1752 Valid, 5194 Invalid, 4387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 4235 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:46:42,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8168 states. [2023-12-02 13:46:43,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8168 to 3253. [2023-12-02 13:46:43,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3253 states, 3241 states have (on average 1.9302684356680038) internal successors, (6256), 3252 states have internal predecessors, (6256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 3253 states and 6256 transitions. [2023-12-02 13:46:43,048 INFO L78 Accepts]: Start accepts. Automaton has 3253 states and 6256 transitions. Word has length 163 [2023-12-02 13:46:43,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:43,049 INFO L495 AbstractCegarLoop]: Abstraction has 3253 states and 6256 transitions. [2023-12-02 13:46:43,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:43,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3253 states and 6256 transitions. [2023-12-02 13:46:43,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:43,051 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:43,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:43,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-02 13:46:43,052 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:43,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:43,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1465979197, now seen corresponding path program 10 times [2023-12-02 13:46:43,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:43,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117312074] [2023-12-02 13:46:43,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:43,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:44,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:44,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117312074] [2023-12-02 13:46:44,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117312074] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:44,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:44,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:46:44,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937687866] [2023-12-02 13:46:44,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:44,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:46:44,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:44,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:46:44,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:46:44,468 INFO L87 Difference]: Start difference. First operand 3253 states and 6256 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:48,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:48,462 INFO L93 Difference]: Finished difference Result 8201 states and 16041 transitions. [2023-12-02 13:46:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 13:46:48,462 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:48,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:48,473 INFO L225 Difference]: With dead ends: 8201 [2023-12-02 13:46:48,473 INFO L226 Difference]: Without dead ends: 8201 [2023-12-02 13:46:48,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1417 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=883, Invalid=4817, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 13:46:48,474 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 2026 mSDsluCounter, 4237 mSDsCounter, 0 mSdLazyCounter, 3775 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 4584 SdHoareTripleChecker+Invalid, 3920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 3775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:48,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 4584 Invalid, 3920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 3775 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:46:48,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8201 states. [2023-12-02 13:46:48,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8201 to 3251. [2023-12-02 13:46:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 3239 states have (on average 1.930225378203149) internal successors, (6252), 3250 states have internal predecessors, (6252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 6252 transitions. [2023-12-02 13:46:48,539 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 6252 transitions. Word has length 163 [2023-12-02 13:46:48,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:48,539 INFO L495 AbstractCegarLoop]: Abstraction has 3251 states and 6252 transitions. [2023-12-02 13:46:48,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:48,539 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 6252 transitions. [2023-12-02 13:46:48,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:48,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:48,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:48,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-02 13:46:48,542 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:48,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:48,543 INFO L85 PathProgramCache]: Analyzing trace with hash 2086911377, now seen corresponding path program 11 times [2023-12-02 13:46:48,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:48,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456880203] [2023-12-02 13:46:48,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:48,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:49,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:49,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456880203] [2023-12-02 13:46:49,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456880203] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:49,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:49,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:46:49,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052894962] [2023-12-02 13:46:49,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:49,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:46:49,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:49,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:46:49,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:46:49,909 INFO L87 Difference]: Start difference. First operand 3251 states and 6252 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:53,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:53,485 INFO L93 Difference]: Finished difference Result 8250 states and 16139 transitions. [2023-12-02 13:46:53,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 13:46:53,486 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:53,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:53,496 INFO L225 Difference]: With dead ends: 8250 [2023-12-02 13:46:53,496 INFO L226 Difference]: Without dead ends: 8250 [2023-12-02 13:46:53,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1422 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=877, Invalid=4823, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 13:46:53,497 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 2052 mSDsluCounter, 3896 mSDsCounter, 0 mSdLazyCounter, 3570 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 4240 SdHoareTripleChecker+Invalid, 3728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 3570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:53,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2052 Valid, 4240 Invalid, 3728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 3570 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:46:53,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8250 states. [2023-12-02 13:46:53,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8250 to 3241. [2023-12-02 13:46:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3241 states, 3229 states have (on average 1.9300092908021058) internal successors, (6232), 3240 states have internal predecessors, (6232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 3241 states and 6232 transitions. [2023-12-02 13:46:53,565 INFO L78 Accepts]: Start accepts. Automaton has 3241 states and 6232 transitions. Word has length 163 [2023-12-02 13:46:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:53,565 INFO L495 AbstractCegarLoop]: Abstraction has 3241 states and 6232 transitions. [2023-12-02 13:46:53,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 6232 transitions. [2023-12-02 13:46:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:53,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:53,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:53,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-02 13:46:53,569 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:53,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:53,569 INFO L85 PathProgramCache]: Analyzing trace with hash 529070117, now seen corresponding path program 12 times [2023-12-02 13:46:53,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:53,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719238839] [2023-12-02 13:46:53,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:53,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:46:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:46:55,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:46:55,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719238839] [2023-12-02 13:46:55,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719238839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:46:55,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:46:55,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:46:55,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144013815] [2023-12-02 13:46:55,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:46:55,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:46:55,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:46:55,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:46:55,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:46:55,023 INFO L87 Difference]: Start difference. First operand 3241 states and 6232 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:59,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:46:59,399 INFO L93 Difference]: Finished difference Result 7576 states and 14788 transitions. [2023-12-02 13:46:59,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:46:59,399 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:46:59,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:46:59,410 INFO L225 Difference]: With dead ends: 7576 [2023-12-02 13:46:59,410 INFO L226 Difference]: Without dead ends: 7576 [2023-12-02 13:46:59,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=773, Invalid=4057, Unknown=0, NotChecked=0, Total=4830 [2023-12-02 13:46:59,411 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 2081 mSDsluCounter, 4228 mSDsCounter, 0 mSdLazyCounter, 4296 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 4600 SdHoareTripleChecker+Invalid, 4466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 4296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:46:59,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 4600 Invalid, 4466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 4296 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:46:59,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7576 states. [2023-12-02 13:46:59,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7576 to 3245. [2023-12-02 13:46:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3245 states, 3233 states have (on average 1.9300958861738324) internal successors, (6240), 3244 states have internal predecessors, (6240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:59,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 3245 states and 6240 transitions. [2023-12-02 13:46:59,477 INFO L78 Accepts]: Start accepts. Automaton has 3245 states and 6240 transitions. Word has length 163 [2023-12-02 13:46:59,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:46:59,477 INFO L495 AbstractCegarLoop]: Abstraction has 3245 states and 6240 transitions. [2023-12-02 13:46:59,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:46:59,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3245 states and 6240 transitions. [2023-12-02 13:46:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:46:59,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:46:59,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:46:59,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-02 13:46:59,480 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:46:59,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:46:59,481 INFO L85 PathProgramCache]: Analyzing trace with hash 521339719, now seen corresponding path program 13 times [2023-12-02 13:46:59,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:46:59,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953729648] [2023-12-02 13:46:59,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:46:59,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:46:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:00,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:00,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953729648] [2023-12-02 13:47:00,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953729648] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:00,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:00,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:47:00,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265153640] [2023-12-02 13:47:00,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:00,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:47:00,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:00,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:47:00,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:47:00,975 INFO L87 Difference]: Start difference. First operand 3245 states and 6240 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:06,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:06,093 INFO L93 Difference]: Finished difference Result 7636 states and 14908 transitions. [2023-12-02 13:47:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 13:47:06,093 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:47:06,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:06,103 INFO L225 Difference]: With dead ends: 7636 [2023-12-02 13:47:06,103 INFO L226 Difference]: Without dead ends: 7636 [2023-12-02 13:47:06,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1273 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=833, Invalid=4717, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:47:06,105 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 2049 mSDsluCounter, 5547 mSDsCounter, 0 mSdLazyCounter, 6024 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 5911 SdHoareTripleChecker+Invalid, 6181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 6024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:06,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 5911 Invalid, 6181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 6024 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 13:47:06,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7636 states. [2023-12-02 13:47:06,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7636 to 3261. [2023-12-02 13:47:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 3249 states have (on average 1.930440135426285) internal successors, (6272), 3260 states have internal predecessors, (6272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:06,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 6272 transitions. [2023-12-02 13:47:06,168 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 6272 transitions. Word has length 163 [2023-12-02 13:47:06,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:47:06,168 INFO L495 AbstractCegarLoop]: Abstraction has 3261 states and 6272 transitions. [2023-12-02 13:47:06,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 6272 transitions. [2023-12-02 13:47:06,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:47:06,170 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:06,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:47:06,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-02 13:47:06,171 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:47:06,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:06,171 INFO L85 PathProgramCache]: Analyzing trace with hash 560579429, now seen corresponding path program 14 times [2023-12-02 13:47:06,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:06,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639547596] [2023-12-02 13:47:06,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:06,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:07,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:07,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639547596] [2023-12-02 13:47:07,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639547596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:07,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:07,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:47:07,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212782237] [2023-12-02 13:47:07,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:07,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:47:07,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:07,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:47:07,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:47:07,610 INFO L87 Difference]: Start difference. First operand 3261 states and 6272 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:11,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:11,586 INFO L93 Difference]: Finished difference Result 7626 states and 14888 transitions. [2023-12-02 13:47:11,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:47:11,587 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:47:11,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:11,595 INFO L225 Difference]: With dead ends: 7626 [2023-12-02 13:47:11,595 INFO L226 Difference]: Without dead ends: 7626 [2023-12-02 13:47:11,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=765, Invalid=4065, Unknown=0, NotChecked=0, Total=4830 [2023-12-02 13:47:11,596 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 1985 mSDsluCounter, 4645 mSDsCounter, 0 mSdLazyCounter, 4299 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 4988 SdHoareTripleChecker+Invalid, 4504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 4299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:11,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1985 Valid, 4988 Invalid, 4504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 4299 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 13:47:11,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7626 states. [2023-12-02 13:47:11,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7626 to 3265. [2023-12-02 13:47:11,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3265 states, 3253 states have (on average 1.9305256686135874) internal successors, (6280), 3264 states have internal predecessors, (6280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 3265 states and 6280 transitions. [2023-12-02 13:47:11,654 INFO L78 Accepts]: Start accepts. Automaton has 3265 states and 6280 transitions. Word has length 163 [2023-12-02 13:47:11,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:47:11,654 INFO L495 AbstractCegarLoop]: Abstraction has 3265 states and 6280 transitions. [2023-12-02 13:47:11,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:11,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3265 states and 6280 transitions. [2023-12-02 13:47:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:47:11,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:11,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:47:11,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-02 13:47:11,657 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:47:11,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:11,657 INFO L85 PathProgramCache]: Analyzing trace with hash 552849031, now seen corresponding path program 15 times [2023-12-02 13:47:11,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:11,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097275307] [2023-12-02 13:47:11,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:11,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:13,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:13,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:13,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097275307] [2023-12-02 13:47:13,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097275307] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:13,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:13,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:47:13,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263258623] [2023-12-02 13:47:13,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:13,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:47:13,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:13,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:47:13,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:47:13,142 INFO L87 Difference]: Start difference. First operand 3265 states and 6280 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:17,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:17,592 INFO L93 Difference]: Finished difference Result 7777 states and 15190 transitions. [2023-12-02 13:47:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 13:47:17,593 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:47:17,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:17,604 INFO L225 Difference]: With dead ends: 7777 [2023-12-02 13:47:17,604 INFO L226 Difference]: Without dead ends: 7777 [2023-12-02 13:47:17,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1281 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=824, Invalid=4726, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:47:17,605 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 2133 mSDsluCounter, 4370 mSDsCounter, 0 mSdLazyCounter, 4459 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 4705 SdHoareTripleChecker+Invalid, 4722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 4459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:17,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 4705 Invalid, 4722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 4459 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:47:17,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7777 states. [2023-12-02 13:47:17,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7777 to 3263. [2023-12-02 13:47:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3263 states, 3251 states have (on average 1.9304829283297447) internal successors, (6276), 3262 states have internal predecessors, (6276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 6276 transitions. [2023-12-02 13:47:17,672 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 6276 transitions. Word has length 163 [2023-12-02 13:47:17,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:47:17,673 INFO L495 AbstractCegarLoop]: Abstraction has 3263 states and 6276 transitions. [2023-12-02 13:47:17,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:17,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 6276 transitions. [2023-12-02 13:47:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:47:17,675 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:17,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:47:17,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-02 13:47:17,676 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:47:17,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:17,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1990220773, now seen corresponding path program 16 times [2023-12-02 13:47:17,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:17,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219927850] [2023-12-02 13:47:17,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:17,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:19,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:19,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219927850] [2023-12-02 13:47:19,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219927850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:19,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:19,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:47:19,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578537942] [2023-12-02 13:47:19,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:19,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:47:19,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:19,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:47:19,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:47:19,215 INFO L87 Difference]: Start difference. First operand 3263 states and 6276 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:24,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:24,194 INFO L93 Difference]: Finished difference Result 7760 states and 15156 transitions. [2023-12-02 13:47:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 13:47:24,195 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:47:24,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:24,204 INFO L225 Difference]: With dead ends: 7760 [2023-12-02 13:47:24,204 INFO L226 Difference]: Without dead ends: 7760 [2023-12-02 13:47:24,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1283 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=818, Invalid=4732, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:47:24,205 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 1685 mSDsluCounter, 5373 mSDsCounter, 0 mSdLazyCounter, 5795 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 5713 SdHoareTripleChecker+Invalid, 5964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 5795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:24,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 5713 Invalid, 5964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 5795 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 13:47:24,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7760 states. [2023-12-02 13:47:24,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7760 to 3261. [2023-12-02 13:47:24,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 3249 states have (on average 1.930440135426285) internal successors, (6272), 3260 states have internal predecessors, (6272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 6272 transitions. [2023-12-02 13:47:24,267 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 6272 transitions. Word has length 163 [2023-12-02 13:47:24,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:47:24,268 INFO L495 AbstractCegarLoop]: Abstraction has 3261 states and 6272 transitions. [2023-12-02 13:47:24,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:24,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 6272 transitions. [2023-12-02 13:47:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:47:24,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:24,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:47:24,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-02 13:47:24,271 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:47:24,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:24,271 INFO L85 PathProgramCache]: Analyzing trace with hash -704670865, now seen corresponding path program 17 times [2023-12-02 13:47:24,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:24,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822516697] [2023-12-02 13:47:24,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:24,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:25,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:25,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822516697] [2023-12-02 13:47:25,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822516697] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:25,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:25,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:47:25,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874907765] [2023-12-02 13:47:25,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:25,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:47:25,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:25,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:47:25,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:47:25,794 INFO L87 Difference]: Start difference. First operand 3261 states and 6272 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:29,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:29,686 INFO L93 Difference]: Finished difference Result 7624 states and 14884 transitions. [2023-12-02 13:47:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:47:29,686 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:47:29,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:29,696 INFO L225 Difference]: With dead ends: 7624 [2023-12-02 13:47:29,696 INFO L226 Difference]: Without dead ends: 7624 [2023-12-02 13:47:29,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1195 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=773, Invalid=4483, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:47:29,696 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 1714 mSDsluCounter, 4508 mSDsCounter, 0 mSdLazyCounter, 4319 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1714 SdHoareTripleChecker+Valid, 4819 SdHoareTripleChecker+Invalid, 4492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 4319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:29,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1714 Valid, 4819 Invalid, 4492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 4319 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:47:29,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7624 states. [2023-12-02 13:47:29,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7624 to 3261. [2023-12-02 13:47:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 3249 states have (on average 1.930440135426285) internal successors, (6272), 3260 states have internal predecessors, (6272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 6272 transitions. [2023-12-02 13:47:29,757 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 6272 transitions. Word has length 163 [2023-12-02 13:47:29,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:47:29,758 INFO L495 AbstractCegarLoop]: Abstraction has 3261 states and 6272 transitions. [2023-12-02 13:47:29,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 6272 transitions. [2023-12-02 13:47:29,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:47:29,761 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:29,761 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:47:29,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-02 13:47:29,761 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:47:29,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:29,761 INFO L85 PathProgramCache]: Analyzing trace with hash -712401263, now seen corresponding path program 18 times [2023-12-02 13:47:29,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:29,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333254519] [2023-12-02 13:47:29,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:29,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:31,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:31,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333254519] [2023-12-02 13:47:31,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333254519] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:31,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:31,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:47:31,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502082711] [2023-12-02 13:47:31,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:31,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:47:31,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:31,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:47:31,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:47:31,105 INFO L87 Difference]: Start difference. First operand 3261 states and 6272 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:35,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:35,315 INFO L93 Difference]: Finished difference Result 7775 states and 15186 transitions. [2023-12-02 13:47:35,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:47:35,315 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:47:35,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:35,325 INFO L225 Difference]: With dead ends: 7775 [2023-12-02 13:47:35,326 INFO L226 Difference]: Without dead ends: 7775 [2023-12-02 13:47:35,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1180 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=803, Invalid=4309, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:47:35,326 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 1877 mSDsluCounter, 4847 mSDsCounter, 0 mSdLazyCounter, 4594 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 5176 SdHoareTripleChecker+Invalid, 4757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 4594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:35,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 5176 Invalid, 4757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 4594 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:47:35,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7775 states. [2023-12-02 13:47:35,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7775 to 3259. [2023-12-02 13:47:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3259 states, 3247 states have (on average 1.9303972898059747) internal successors, (6268), 3258 states have internal predecessors, (6268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 3259 states and 6268 transitions. [2023-12-02 13:47:35,395 INFO L78 Accepts]: Start accepts. Automaton has 3259 states and 6268 transitions. Word has length 163 [2023-12-02 13:47:35,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:47:35,395 INFO L495 AbstractCegarLoop]: Abstraction has 3259 states and 6268 transitions. [2023-12-02 13:47:35,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:35,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3259 states and 6268 transitions. [2023-12-02 13:47:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:47:35,398 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:35,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:47:35,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-02 13:47:35,398 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:47:35,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:35,399 INFO L85 PathProgramCache]: Analyzing trace with hash 724970479, now seen corresponding path program 19 times [2023-12-02 13:47:35,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:35,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583657851] [2023-12-02 13:47:35,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:35,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:36,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:36,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583657851] [2023-12-02 13:47:36,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583657851] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:36,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:36,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:47:36,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836484081] [2023-12-02 13:47:36,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:36,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:47:36,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:36,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:47:36,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:47:36,798 INFO L87 Difference]: Start difference. First operand 3259 states and 6268 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:40,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:40,921 INFO L93 Difference]: Finished difference Result 7825 states and 15286 transitions. [2023-12-02 13:47:40,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:47:40,922 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:47:40,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:40,932 INFO L225 Difference]: With dead ends: 7825 [2023-12-02 13:47:40,933 INFO L226 Difference]: Without dead ends: 7825 [2023-12-02 13:47:40,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1186 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=796, Invalid=4316, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:47:40,934 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 2129 mSDsluCounter, 3950 mSDsCounter, 0 mSdLazyCounter, 3897 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2129 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 4142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 3897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:40,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2129 Valid, 4284 Invalid, 4142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 3897 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 13:47:40,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7825 states. [2023-12-02 13:47:40,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7825 to 3257. [2023-12-02 13:47:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3257 states, 3245 states have (on average 1.9303543913713406) internal successors, (6264), 3256 states have internal predecessors, (6264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 3257 states and 6264 transitions. [2023-12-02 13:47:41,004 INFO L78 Accepts]: Start accepts. Automaton has 3257 states and 6264 transitions. Word has length 163 [2023-12-02 13:47:41,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:47:41,004 INFO L495 AbstractCegarLoop]: Abstraction has 3257 states and 6264 transitions. [2023-12-02 13:47:41,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:41,004 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 6264 transitions. [2023-12-02 13:47:41,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:47:41,006 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:41,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:47:41,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-02 13:47:41,007 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:47:41,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:41,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1137378193, now seen corresponding path program 20 times [2023-12-02 13:47:41,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:41,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981089777] [2023-12-02 13:47:41,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:41,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:42,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:42,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981089777] [2023-12-02 13:47:42,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981089777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:42,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:42,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:47:42,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890296842] [2023-12-02 13:47:42,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:42,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:47:42,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:42,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:47:42,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:47:42,433 INFO L87 Difference]: Start difference. First operand 3257 states and 6264 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:46,924 INFO L93 Difference]: Finished difference Result 7730 states and 15096 transitions. [2023-12-02 13:47:46,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:47:46,924 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:47:46,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:46,934 INFO L225 Difference]: With dead ends: 7730 [2023-12-02 13:47:46,934 INFO L226 Difference]: Without dead ends: 7730 [2023-12-02 13:47:46,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1189 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=791, Invalid=4321, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:47:46,934 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 1795 mSDsluCounter, 4944 mSDsCounter, 0 mSdLazyCounter, 4835 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 5281 SdHoareTripleChecker+Invalid, 5078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 4835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:46,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 5281 Invalid, 5078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 4835 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 13:47:46,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7730 states. [2023-12-02 13:47:46,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7730 to 3231. [2023-12-02 13:47:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3231 states, 3219 states have (on average 1.9297918608263436) internal successors, (6212), 3230 states have internal predecessors, (6212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 3231 states and 6212 transitions. [2023-12-02 13:47:46,995 INFO L78 Accepts]: Start accepts. Automaton has 3231 states and 6212 transitions. Word has length 163 [2023-12-02 13:47:46,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:47:46,995 INFO L495 AbstractCegarLoop]: Abstraction has 3231 states and 6212 transitions. [2023-12-02 13:47:46,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 3231 states and 6212 transitions. [2023-12-02 13:47:46,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:47:46,997 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:46,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:47:46,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-02 13:47:46,998 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:47:46,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:46,998 INFO L85 PathProgramCache]: Analyzing trace with hash -601142913, now seen corresponding path program 21 times [2023-12-02 13:47:46,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:46,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979673322] [2023-12-02 13:47:46,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:46,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:48,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:48,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979673322] [2023-12-02 13:47:48,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979673322] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:48,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:48,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:47:48,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140816032] [2023-12-02 13:47:48,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:48,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:47:48,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:48,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:47:48,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:47:48,407 INFO L87 Difference]: Start difference. First operand 3231 states and 6212 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:52,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:52,680 INFO L93 Difference]: Finished difference Result 6912 states and 13483 transitions. [2023-12-02 13:47:52,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-12-02 13:47:52,680 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:47:52,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:52,689 INFO L225 Difference]: With dead ends: 6912 [2023-12-02 13:47:52,689 INFO L226 Difference]: Without dead ends: 6912 [2023-12-02 13:47:52,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1923 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=989, Invalid=6321, Unknown=0, NotChecked=0, Total=7310 [2023-12-02 13:47:52,690 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 2377 mSDsluCounter, 3895 mSDsCounter, 0 mSdLazyCounter, 4676 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2377 SdHoareTripleChecker+Valid, 4166 SdHoareTripleChecker+Invalid, 4795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 4676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:52,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2377 Valid, 4166 Invalid, 4795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 4676 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:47:52,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6912 states. [2023-12-02 13:47:52,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6912 to 3323. [2023-12-02 13:47:52,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3323 states, 3311 states have (on average 1.9329507701600726) internal successors, (6400), 3322 states have internal predecessors, (6400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:52,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 3323 states and 6400 transitions. [2023-12-02 13:47:52,748 INFO L78 Accepts]: Start accepts. Automaton has 3323 states and 6400 transitions. Word has length 163 [2023-12-02 13:47:52,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:47:52,748 INFO L495 AbstractCegarLoop]: Abstraction has 3323 states and 6400 transitions. [2023-12-02 13:47:52,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3323 states and 6400 transitions. [2023-12-02 13:47:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:47:52,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:52,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:47:52,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-02 13:47:52,751 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:47:52,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:52,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1087143205, now seen corresponding path program 8 times [2023-12-02 13:47:52,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:52,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178816309] [2023-12-02 13:47:52,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:52,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:47:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:47:54,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:47:54,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178816309] [2023-12-02 13:47:54,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178816309] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:47:54,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:47:54,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:47:54,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592604527] [2023-12-02 13:47:54,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:47:54,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:47:54,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:47:54,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:47:54,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:47:54,133 INFO L87 Difference]: Start difference. First operand 3323 states and 6400 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:58,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:47:58,544 INFO L93 Difference]: Finished difference Result 6237 states and 12148 transitions. [2023-12-02 13:47:58,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-12-02 13:47:58,544 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:47:58,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:47:58,553 INFO L225 Difference]: With dead ends: 6237 [2023-12-02 13:47:58,554 INFO L226 Difference]: Without dead ends: 6237 [2023-12-02 13:47:58,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2525 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1177, Invalid=7565, Unknown=0, NotChecked=0, Total=8742 [2023-12-02 13:47:58,555 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 2367 mSDsluCounter, 4365 mSDsCounter, 0 mSdLazyCounter, 4998 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2367 SdHoareTripleChecker+Valid, 4678 SdHoareTripleChecker+Invalid, 5066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 4998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:47:58,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2367 Valid, 4678 Invalid, 5066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 4998 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 13:47:58,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6237 states. [2023-12-02 13:47:58,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6237 to 3290. [2023-12-02 13:47:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 3278 states have (on average 1.9310555216595484) internal successors, (6330), 3289 states have internal predecessors, (6330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:58,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 6330 transitions. [2023-12-02 13:47:58,613 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 6330 transitions. Word has length 163 [2023-12-02 13:47:58,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:47:58,613 INFO L495 AbstractCegarLoop]: Abstraction has 3290 states and 6330 transitions. [2023-12-02 13:47:58,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:47:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 6330 transitions. [2023-12-02 13:47:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:47:58,617 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:47:58,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:47:58,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-02 13:47:58,618 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:47:58,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:47:58,618 INFO L85 PathProgramCache]: Analyzing trace with hash -225071421, now seen corresponding path program 22 times [2023-12-02 13:47:58,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:47:58,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233312239] [2023-12-02 13:47:58,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:47:58,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:47:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:00,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:00,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:00,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233312239] [2023-12-02 13:48:00,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233312239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:00,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:00,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:48:00,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752088784] [2023-12-02 13:48:00,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:00,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:48:00,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:00,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:48:00,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:48:00,015 INFO L87 Difference]: Start difference. First operand 3290 states and 6330 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:03,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:03,917 INFO L93 Difference]: Finished difference Result 7303 states and 14265 transitions. [2023-12-02 13:48:03,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-12-02 13:48:03,919 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:48:03,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:03,929 INFO L225 Difference]: With dead ends: 7303 [2023-12-02 13:48:03,929 INFO L226 Difference]: Without dead ends: 7303 [2023-12-02 13:48:03,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1708 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=948, Invalid=5532, Unknown=0, NotChecked=0, Total=6480 [2023-12-02 13:48:03,930 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 1886 mSDsluCounter, 3822 mSDsCounter, 0 mSdLazyCounter, 3627 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1886 SdHoareTripleChecker+Valid, 4135 SdHoareTripleChecker+Invalid, 3725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 3627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:03,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1886 Valid, 4135 Invalid, 3725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 3627 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:48:03,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7303 states. [2023-12-02 13:48:03,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7303 to 3296. [2023-12-02 13:48:03,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 3284 states have (on average 1.931181485992692) internal successors, (6342), 3295 states have internal predecessors, (6342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 6342 transitions. [2023-12-02 13:48:03,997 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 6342 transitions. Word has length 163 [2023-12-02 13:48:03,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:03,997 INFO L495 AbstractCegarLoop]: Abstraction has 3296 states and 6342 transitions. [2023-12-02 13:48:03,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 6342 transitions. [2023-12-02 13:48:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:48:04,000 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:04,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:04,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-02 13:48:04,000 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:48:04,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:04,001 INFO L85 PathProgramCache]: Analyzing trace with hash -232801819, now seen corresponding path program 23 times [2023-12-02 13:48:04,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:04,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127202885] [2023-12-02 13:48:04,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:05,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:05,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127202885] [2023-12-02 13:48:05,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127202885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:05,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:05,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:48:05,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936324978] [2023-12-02 13:48:05,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:05,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:48:05,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:05,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:48:05,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:48:05,448 INFO L87 Difference]: Start difference. First operand 3296 states and 6342 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:09,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:09,948 INFO L93 Difference]: Finished difference Result 7385 states and 14429 transitions. [2023-12-02 13:48:09,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-12-02 13:48:09,949 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:48:09,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:09,960 INFO L225 Difference]: With dead ends: 7385 [2023-12-02 13:48:09,960 INFO L226 Difference]: Without dead ends: 7385 [2023-12-02 13:48:09,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1953 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1009, Invalid=6301, Unknown=0, NotChecked=0, Total=7310 [2023-12-02 13:48:09,961 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 1938 mSDsluCounter, 4326 mSDsCounter, 0 mSdLazyCounter, 4626 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1938 SdHoareTripleChecker+Valid, 4632 SdHoareTripleChecker+Invalid, 4754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 4626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:09,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1938 Valid, 4632 Invalid, 4754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 4626 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 13:48:09,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7385 states. [2023-12-02 13:48:10,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7385 to 3294. [2023-12-02 13:48:10,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3282 states have (on average 1.931139549055454) internal successors, (6338), 3293 states have internal predecessors, (6338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 6338 transitions. [2023-12-02 13:48:10,024 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 6338 transitions. Word has length 163 [2023-12-02 13:48:10,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:10,024 INFO L495 AbstractCegarLoop]: Abstraction has 3294 states and 6338 transitions. [2023-12-02 13:48:10,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:10,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 6338 transitions. [2023-12-02 13:48:10,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:48:10,027 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:10,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:10,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-02 13:48:10,027 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:48:10,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:10,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1982871649, now seen corresponding path program 24 times [2023-12-02 13:48:10,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:10,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592855175] [2023-12-02 13:48:10,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:10,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:11,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:11,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592855175] [2023-12-02 13:48:11,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592855175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:11,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:11,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:48:11,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245954221] [2023-12-02 13:48:11,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:11,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:48:11,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:11,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:48:11,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:48:11,593 INFO L87 Difference]: Start difference. First operand 3294 states and 6338 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:15,846 INFO L93 Difference]: Finished difference Result 7418 states and 14495 transitions. [2023-12-02 13:48:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-12-02 13:48:15,846 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:48:15,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:15,856 INFO L225 Difference]: With dead ends: 7418 [2023-12-02 13:48:15,856 INFO L226 Difference]: Without dead ends: 7418 [2023-12-02 13:48:15,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1823 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=987, Invalid=5819, Unknown=0, NotChecked=0, Total=6806 [2023-12-02 13:48:15,857 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 1930 mSDsluCounter, 4295 mSDsCounter, 0 mSdLazyCounter, 4227 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1930 SdHoareTripleChecker+Valid, 4606 SdHoareTripleChecker+Invalid, 4399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 4227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:15,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1930 Valid, 4606 Invalid, 4399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 4227 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:48:15,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7418 states. [2023-12-02 13:48:15,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7418 to 3292. [2023-12-02 13:48:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3292 states, 3280 states have (on average 1.9310975609756098) internal successors, (6334), 3291 states have internal predecessors, (6334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 3292 states and 6334 transitions. [2023-12-02 13:48:15,925 INFO L78 Accepts]: Start accepts. Automaton has 3292 states and 6334 transitions. Word has length 163 [2023-12-02 13:48:15,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:15,925 INFO L495 AbstractCegarLoop]: Abstraction has 3292 states and 6334 transitions. [2023-12-02 13:48:15,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 6334 transitions. [2023-12-02 13:48:15,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:48:15,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:15,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:15,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-02 13:48:15,929 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:48:15,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:15,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1240794927, now seen corresponding path program 25 times [2023-12-02 13:48:15,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:15,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43236092] [2023-12-02 13:48:15,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:15,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:17,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:17,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43236092] [2023-12-02 13:48:17,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43236092] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:17,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:17,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:48:17,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760906422] [2023-12-02 13:48:17,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:17,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:48:17,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:17,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:48:17,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:48:17,318 INFO L87 Difference]: Start difference. First operand 3292 states and 6334 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:21,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:21,280 INFO L93 Difference]: Finished difference Result 7467 states and 14593 transitions. [2023-12-02 13:48:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-12-02 13:48:21,280 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:48:21,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:21,290 INFO L225 Difference]: With dead ends: 7467 [2023-12-02 13:48:21,291 INFO L226 Difference]: Without dead ends: 7467 [2023-12-02 13:48:21,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1828 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=981, Invalid=5825, Unknown=0, NotChecked=0, Total=6806 [2023-12-02 13:48:21,292 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 2234 mSDsluCounter, 3690 mSDsCounter, 0 mSdLazyCounter, 3787 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2234 SdHoareTripleChecker+Valid, 3998 SdHoareTripleChecker+Invalid, 3925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:21,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2234 Valid, 3998 Invalid, 3925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 3787 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:48:21,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7467 states. [2023-12-02 13:48:21,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7467 to 3282. [2023-12-02 13:48:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3270 states have (on average 1.9308868501529053) internal successors, (6314), 3281 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 6314 transitions. [2023-12-02 13:48:21,357 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 6314 transitions. Word has length 163 [2023-12-02 13:48:21,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:21,357 INFO L495 AbstractCegarLoop]: Abstraction has 3282 states and 6314 transitions. [2023-12-02 13:48:21,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:21,357 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 6314 transitions. [2023-12-02 13:48:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:48:21,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:21,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:21,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-02 13:48:21,360 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:48:21,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:21,361 INFO L85 PathProgramCache]: Analyzing trace with hash -317046333, now seen corresponding path program 26 times [2023-12-02 13:48:21,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:21,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994166086] [2023-12-02 13:48:21,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:21,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:22,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:22,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994166086] [2023-12-02 13:48:22,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994166086] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:22,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:22,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:48:22,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871261195] [2023-12-02 13:48:22,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:22,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:48:22,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:22,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:48:22,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:48:22,840 INFO L87 Difference]: Start difference. First operand 3282 states and 6314 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:28,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:28,018 INFO L93 Difference]: Finished difference Result 7406 states and 14471 transitions. [2023-12-02 13:48:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-12-02 13:48:28,018 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:48:28,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:28,029 INFO L225 Difference]: With dead ends: 7406 [2023-12-02 13:48:28,029 INFO L226 Difference]: Without dead ends: 7406 [2023-12-02 13:48:28,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1571 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=978, Invalid=5342, Unknown=0, NotChecked=0, Total=6320 [2023-12-02 13:48:28,030 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 1875 mSDsluCounter, 5115 mSDsCounter, 0 mSdLazyCounter, 5217 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 5462 SdHoareTripleChecker+Invalid, 5406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 5217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:28,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 5462 Invalid, 5406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 5217 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 13:48:28,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7406 states. [2023-12-02 13:48:28,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7406 to 3290. [2023-12-02 13:48:28,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 3278 states have (on average 1.9310555216595484) internal successors, (6330), 3289 states have internal predecessors, (6330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 6330 transitions. [2023-12-02 13:48:28,100 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 6330 transitions. Word has length 163 [2023-12-02 13:48:28,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:28,101 INFO L495 AbstractCegarLoop]: Abstraction has 3290 states and 6330 transitions. [2023-12-02 13:48:28,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 6330 transitions. [2023-12-02 13:48:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:48:28,103 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:28,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:28,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-02 13:48:28,104 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:48:28,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:28,104 INFO L85 PathProgramCache]: Analyzing trace with hash -324776731, now seen corresponding path program 27 times [2023-12-02 13:48:28,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:28,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167143047] [2023-12-02 13:48:28,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:28,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:29,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:29,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167143047] [2023-12-02 13:48:29,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167143047] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:29,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:29,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:48:29,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126162594] [2023-12-02 13:48:29,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:29,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:48:29,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:29,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:48:29,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:48:29,567 INFO L87 Difference]: Start difference. First operand 3290 states and 6330 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:34,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:34,501 INFO L93 Difference]: Finished difference Result 7466 states and 14591 transitions. [2023-12-02 13:48:34,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 13:48:34,501 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:48:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:34,511 INFO L225 Difference]: With dead ends: 7466 [2023-12-02 13:48:34,511 INFO L226 Difference]: Without dead ends: 7466 [2023-12-02 13:48:34,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1674 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1024, Invalid=5618, Unknown=0, NotChecked=0, Total=6642 [2023-12-02 13:48:34,512 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1970 mSDsluCounter, 4315 mSDsCounter, 0 mSdLazyCounter, 4601 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 4667 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 4601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:34,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1970 Valid, 4667 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 4601 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 13:48:34,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2023-12-02 13:48:34,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 3286. [2023-12-02 13:48:34,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3286 states, 3274 states have (on average 1.9309712889431887) internal successors, (6322), 3285 states have internal predecessors, (6322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:34,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 3286 states and 6322 transitions. [2023-12-02 13:48:34,577 INFO L78 Accepts]: Start accepts. Automaton has 3286 states and 6322 transitions. Word has length 163 [2023-12-02 13:48:34,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:34,578 INFO L495 AbstractCegarLoop]: Abstraction has 3286 states and 6322 transitions. [2023-12-02 13:48:34,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:34,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 6322 transitions. [2023-12-02 13:48:34,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:48:34,580 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:34,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:34,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-02 13:48:34,580 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:48:34,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:34,580 INFO L85 PathProgramCache]: Analyzing trace with hash -285537021, now seen corresponding path program 28 times [2023-12-02 13:48:34,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:34,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693185558] [2023-12-02 13:48:34,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:34,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:36,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:36,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693185558] [2023-12-02 13:48:36,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693185558] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:36,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:36,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:48:36,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664660697] [2023-12-02 13:48:36,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:36,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:48:36,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:36,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:48:36,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:48:36,041 INFO L87 Difference]: Start difference. First operand 3286 states and 6322 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:40,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:40,548 INFO L93 Difference]: Finished difference Result 7456 states and 14571 transitions. [2023-12-02 13:48:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-12-02 13:48:40,549 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:48:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:40,559 INFO L225 Difference]: With dead ends: 7456 [2023-12-02 13:48:40,559 INFO L226 Difference]: Without dead ends: 7456 [2023-12-02 13:48:40,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1649 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=948, Invalid=5694, Unknown=0, NotChecked=0, Total=6642 [2023-12-02 13:48:40,560 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 1831 mSDsluCounter, 4211 mSDsCounter, 0 mSdLazyCounter, 4524 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 4521 SdHoareTripleChecker+Invalid, 4673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 4524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:40,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 4521 Invalid, 4673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 4524 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:48:40,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7456 states. [2023-12-02 13:48:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7456 to 3290. [2023-12-02 13:48:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 3278 states have (on average 1.9310555216595484) internal successors, (6330), 3289 states have internal predecessors, (6330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 6330 transitions. [2023-12-02 13:48:40,626 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 6330 transitions. Word has length 163 [2023-12-02 13:48:40,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:40,626 INFO L495 AbstractCegarLoop]: Abstraction has 3290 states and 6330 transitions. [2023-12-02 13:48:40,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 6330 transitions. [2023-12-02 13:48:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:48:40,629 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:40,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:40,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-02 13:48:40,630 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:48:40,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:40,630 INFO L85 PathProgramCache]: Analyzing trace with hash -293267419, now seen corresponding path program 29 times [2023-12-02 13:48:40,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:40,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599182110] [2023-12-02 13:48:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:40,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:42,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:42,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:42,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599182110] [2023-12-02 13:48:42,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599182110] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:42,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:42,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:48:42,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897150220] [2023-12-02 13:48:42,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:42,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:48:42,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:42,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:48:42,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:48:42,484 INFO L87 Difference]: Start difference. First operand 3290 states and 6330 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:47,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:47,720 INFO L93 Difference]: Finished difference Result 7607 states and 14873 transitions. [2023-12-02 13:48:47,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-12-02 13:48:47,720 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:48:47,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:47,729 INFO L225 Difference]: With dead ends: 7607 [2023-12-02 13:48:47,730 INFO L226 Difference]: Without dead ends: 7607 [2023-12-02 13:48:47,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1758 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=993, Invalid=5979, Unknown=0, NotChecked=0, Total=6972 [2023-12-02 13:48:47,730 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 1921 mSDsluCounter, 4871 mSDsCounter, 0 mSdLazyCounter, 5303 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1921 SdHoareTripleChecker+Valid, 5186 SdHoareTripleChecker+Invalid, 5527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 5303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:47,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1921 Valid, 5186 Invalid, 5527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 5303 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 13:48:47,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7607 states. [2023-12-02 13:48:47,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7607 to 3288. [2023-12-02 13:48:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3288 states, 3276 states have (on average 1.931013431013431) internal successors, (6326), 3287 states have internal predecessors, (6326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 3288 states and 6326 transitions. [2023-12-02 13:48:47,797 INFO L78 Accepts]: Start accepts. Automaton has 3288 states and 6326 transitions. Word has length 163 [2023-12-02 13:48:47,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:47,797 INFO L495 AbstractCegarLoop]: Abstraction has 3288 states and 6326 transitions. [2023-12-02 13:48:47,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand 3288 states and 6326 transitions. [2023-12-02 13:48:47,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:48:47,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:47,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:47,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-02 13:48:47,799 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:48:47,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:47,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1144104323, now seen corresponding path program 30 times [2023-12-02 13:48:47,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:47,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366261844] [2023-12-02 13:48:47,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:47,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:49,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:49,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366261844] [2023-12-02 13:48:49,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366261844] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:49,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:49,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:48:49,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322726562] [2023-12-02 13:48:49,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:49,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:48:49,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:49,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:48:49,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:48:49,237 INFO L87 Difference]: Start difference. First operand 3288 states and 6326 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:54,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:54,297 INFO L93 Difference]: Finished difference Result 7590 states and 14839 transitions. [2023-12-02 13:48:54,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-12-02 13:48:54,298 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:48:54,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:54,308 INFO L225 Difference]: With dead ends: 7590 [2023-12-02 13:48:54,308 INFO L226 Difference]: Without dead ends: 7590 [2023-12-02 13:48:54,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1760 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=987, Invalid=5985, Unknown=0, NotChecked=0, Total=6972 [2023-12-02 13:48:54,309 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 1853 mSDsluCounter, 4543 mSDsCounter, 0 mSdLazyCounter, 5195 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 4865 SdHoareTripleChecker+Invalid, 5366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 5195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:54,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 4865 Invalid, 5366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 5195 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-02 13:48:54,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7590 states. [2023-12-02 13:48:54,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7590 to 3284. [2023-12-02 13:48:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3284 states, 3272 states have (on average 1.9309290953545233) internal successors, (6318), 3283 states have internal predecessors, (6318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 3284 states and 6318 transitions. [2023-12-02 13:48:54,375 INFO L78 Accepts]: Start accepts. Automaton has 3284 states and 6318 transitions. Word has length 163 [2023-12-02 13:48:54,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:54,376 INFO L495 AbstractCegarLoop]: Abstraction has 3284 states and 6318 transitions. [2023-12-02 13:48:54,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:48:54,376 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 6318 transitions. [2023-12-02 13:48:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:48:54,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:54,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:54,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-02 13:48:54,378 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:48:54,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:54,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1550787315, now seen corresponding path program 31 times [2023-12-02 13:48:54,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:54,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027000434] [2023-12-02 13:48:54,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:54,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:55,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:48:55,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:55,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027000434] [2023-12-02 13:48:55,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027000434] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:55,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:55,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:48:55,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729138604] [2023-12-02 13:48:55,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:55,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:48:55,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:55,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:48:55,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:48:55,818 INFO L87 Difference]: Start difference. First operand 3284 states and 6318 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:00,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:00,394 INFO L93 Difference]: Finished difference Result 7454 states and 14567 transitions. [2023-12-02 13:49:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-02 13:49:00,395 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:00,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:00,404 INFO L225 Difference]: With dead ends: 7454 [2023-12-02 13:49:00,405 INFO L226 Difference]: Without dead ends: 7454 [2023-12-02 13:49:00,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1485 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=896, Invalid=5110, Unknown=0, NotChecked=0, Total=6006 [2023-12-02 13:49:00,405 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 1978 mSDsluCounter, 4883 mSDsCounter, 0 mSdLazyCounter, 4877 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 5187 SdHoareTripleChecker+Invalid, 5026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 4877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:00,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 5187 Invalid, 5026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 4877 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 13:49:00,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7454 states. [2023-12-02 13:49:00,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7454 to 3290. [2023-12-02 13:49:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 3278 states have (on average 1.9310555216595484) internal successors, (6330), 3289 states have internal predecessors, (6330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 6330 transitions. [2023-12-02 13:49:00,467 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 6330 transitions. Word has length 163 [2023-12-02 13:49:00,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:00,468 INFO L495 AbstractCegarLoop]: Abstraction has 3290 states and 6330 transitions. [2023-12-02 13:49:00,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 6330 transitions. [2023-12-02 13:49:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:00,469 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:00,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:00,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-02 13:49:00,470 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:00,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:00,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1558517713, now seen corresponding path program 32 times [2023-12-02 13:49:00,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:00,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071846632] [2023-12-02 13:49:00,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:00,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:01,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:01,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071846632] [2023-12-02 13:49:01,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071846632] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:01,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:01,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:49:01,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923627831] [2023-12-02 13:49:01,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:01,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:49:01,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:01,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:49:01,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:49:01,919 INFO L87 Difference]: Start difference. First operand 3290 states and 6330 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:06,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:06,713 INFO L93 Difference]: Finished difference Result 7605 states and 14869 transitions. [2023-12-02 13:49:06,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-12-02 13:49:06,714 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:06,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:06,724 INFO L225 Difference]: With dead ends: 7605 [2023-12-02 13:49:06,724 INFO L226 Difference]: Without dead ends: 7605 [2023-12-02 13:49:06,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1591 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=940, Invalid=5380, Unknown=0, NotChecked=0, Total=6320 [2023-12-02 13:49:06,725 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 2041 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 4614 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2041 SdHoareTripleChecker+Valid, 4856 SdHoareTripleChecker+Invalid, 4779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 4614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:06,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2041 Valid, 4856 Invalid, 4779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 4614 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 13:49:06,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7605 states. [2023-12-02 13:49:06,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 3288. [2023-12-02 13:49:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3288 states, 3276 states have (on average 1.931013431013431) internal successors, (6326), 3287 states have internal predecessors, (6326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 3288 states and 6326 transitions. [2023-12-02 13:49:06,790 INFO L78 Accepts]: Start accepts. Automaton has 3288 states and 6326 transitions. Word has length 163 [2023-12-02 13:49:06,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:06,790 INFO L495 AbstractCegarLoop]: Abstraction has 3288 states and 6326 transitions. [2023-12-02 13:49:06,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3288 states and 6326 transitions. [2023-12-02 13:49:06,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:06,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:06,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:06,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-02 13:49:06,792 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:06,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:06,792 INFO L85 PathProgramCache]: Analyzing trace with hash -121145971, now seen corresponding path program 33 times [2023-12-02 13:49:06,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:06,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280021123] [2023-12-02 13:49:06,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:06,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:08,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:08,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280021123] [2023-12-02 13:49:08,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280021123] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:08,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:08,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:49:08,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243443450] [2023-12-02 13:49:08,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:08,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:49:08,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:08,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:49:08,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:49:08,241 INFO L87 Difference]: Start difference. First operand 3288 states and 6326 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:12,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:12,650 INFO L93 Difference]: Finished difference Result 7655 states and 14969 transitions. [2023-12-02 13:49:12,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 13:49:12,650 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:12,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:12,661 INFO L225 Difference]: With dead ends: 7655 [2023-12-02 13:49:12,661 INFO L226 Difference]: Without dead ends: 7655 [2023-12-02 13:49:12,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1720 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=947, Invalid=5859, Unknown=0, NotChecked=0, Total=6806 [2023-12-02 13:49:12,662 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 2093 mSDsluCounter, 4355 mSDsCounter, 0 mSdLazyCounter, 4772 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2093 SdHoareTripleChecker+Valid, 4658 SdHoareTripleChecker+Invalid, 4993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 4772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:12,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2093 Valid, 4658 Invalid, 4993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 4772 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 13:49:12,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7655 states. [2023-12-02 13:49:12,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7655 to 3286. [2023-12-02 13:49:12,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3286 states, 3274 states have (on average 1.9309712889431887) internal successors, (6322), 3285 states have internal predecessors, (6322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 3286 states and 6322 transitions. [2023-12-02 13:49:12,726 INFO L78 Accepts]: Start accepts. Automaton has 3286 states and 6322 transitions. Word has length 163 [2023-12-02 13:49:12,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:12,727 INFO L495 AbstractCegarLoop]: Abstraction has 3286 states and 6322 transitions. [2023-12-02 13:49:12,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 6322 transitions. [2023-12-02 13:49:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:12,728 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:12,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:12,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-02 13:49:12,729 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:12,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:12,729 INFO L85 PathProgramCache]: Analyzing trace with hash 291261743, now seen corresponding path program 34 times [2023-12-02 13:49:12,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:12,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079603471] [2023-12-02 13:49:12,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:12,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:14,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:14,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:14,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079603471] [2023-12-02 13:49:14,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079603471] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:14,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:14,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:49:14,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981789288] [2023-12-02 13:49:14,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:14,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:49:14,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:14,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:49:14,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:49:14,241 INFO L87 Difference]: Start difference. First operand 3286 states and 6322 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:18,898 INFO L93 Difference]: Finished difference Result 7650 states and 14959 transitions. [2023-12-02 13:49:18,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 13:49:18,898 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:18,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:18,908 INFO L225 Difference]: With dead ends: 7650 [2023-12-02 13:49:18,908 INFO L226 Difference]: Without dead ends: 7650 [2023-12-02 13:49:18,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1723 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=942, Invalid=5864, Unknown=0, NotChecked=0, Total=6806 [2023-12-02 13:49:18,909 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 2081 mSDsluCounter, 4560 mSDsCounter, 0 mSdLazyCounter, 4983 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 4866 SdHoareTripleChecker+Invalid, 5202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 4983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:18,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 4866 Invalid, 5202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 4983 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:49:18,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7650 states. [2023-12-02 13:49:18,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7650 to 3274. [2023-12-02 13:49:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3274 states, 3262 states have (on average 1.9307173513182097) internal successors, (6298), 3273 states have internal predecessors, (6298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 6298 transitions. [2023-12-02 13:49:18,973 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 6298 transitions. Word has length 163 [2023-12-02 13:49:18,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:18,973 INFO L495 AbstractCegarLoop]: Abstraction has 3274 states and 6298 transitions. [2023-12-02 13:49:18,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:18,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 6298 transitions. [2023-12-02 13:49:18,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:18,975 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:18,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:18,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-02 13:49:18,975 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:18,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:18,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1807726053, now seen corresponding path program 35 times [2023-12-02 13:49:18,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:18,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273390773] [2023-12-02 13:49:18,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:18,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:20,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:20,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273390773] [2023-12-02 13:49:20,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273390773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:20,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:20,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:49:20,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412310282] [2023-12-02 13:49:20,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:20,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:49:20,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:20,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:49:20,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:49:20,329 INFO L87 Difference]: Start difference. First operand 3274 states and 6298 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:23,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:23,627 INFO L93 Difference]: Finished difference Result 5935 states and 11564 transitions. [2023-12-02 13:49:23,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:49:23,627 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:23,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:23,634 INFO L225 Difference]: With dead ends: 5935 [2023-12-02 13:49:23,634 INFO L226 Difference]: Without dead ends: 5935 [2023-12-02 13:49:23,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=734, Invalid=4236, Unknown=0, NotChecked=0, Total=4970 [2023-12-02 13:49:23,635 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1387 mSDsluCounter, 3455 mSDsCounter, 0 mSdLazyCounter, 2937 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1387 SdHoareTripleChecker+Valid, 3728 SdHoareTripleChecker+Invalid, 3149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 2937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:23,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1387 Valid, 3728 Invalid, 3149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 2937 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 13:49:23,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5935 states. [2023-12-02 13:49:23,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5935 to 3282. [2023-12-02 13:49:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3270 states have (on average 1.9308868501529053) internal successors, (6314), 3281 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 6314 transitions. [2023-12-02 13:49:23,690 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 6314 transitions. Word has length 163 [2023-12-02 13:49:23,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:23,690 INFO L495 AbstractCegarLoop]: Abstraction has 3282 states and 6314 transitions. [2023-12-02 13:49:23,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:23,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 6314 transitions. [2023-12-02 13:49:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:23,692 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:23,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:23,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-02 13:49:23,693 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:23,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:23,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1799995655, now seen corresponding path program 36 times [2023-12-02 13:49:23,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:23,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474703234] [2023-12-02 13:49:23,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:23,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:25,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:25,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474703234] [2023-12-02 13:49:25,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474703234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:25,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:25,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:49:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090342331] [2023-12-02 13:49:25,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:25,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:49:25,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:25,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:49:25,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:49:25,115 INFO L87 Difference]: Start difference. First operand 3282 states and 6314 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:28,802 INFO L93 Difference]: Finished difference Result 6012 states and 11718 transitions. [2023-12-02 13:49:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:49:28,802 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:28,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:28,810 INFO L225 Difference]: With dead ends: 6012 [2023-12-02 13:49:28,810 INFO L226 Difference]: Without dead ends: 6012 [2023-12-02 13:49:28,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1238 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=768, Invalid=4488, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:49:28,811 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 1528 mSDsluCounter, 3469 mSDsCounter, 0 mSdLazyCounter, 3192 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 3755 SdHoareTripleChecker+Invalid, 3395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 3192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:28,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1528 Valid, 3755 Invalid, 3395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 3192 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:49:28,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6012 states. [2023-12-02 13:49:28,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6012 to 3278. [2023-12-02 13:49:28,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3266 states have (on average 1.930802204531537) internal successors, (6306), 3277 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 6306 transitions. [2023-12-02 13:49:28,869 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 6306 transitions. Word has length 163 [2023-12-02 13:49:28,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:28,869 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 6306 transitions. [2023-12-02 13:49:28,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 6306 transitions. [2023-12-02 13:49:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:28,871 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:28,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:28,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-02 13:49:28,872 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:28,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:28,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1839235365, now seen corresponding path program 37 times [2023-12-02 13:49:28,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:28,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700068500] [2023-12-02 13:49:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:28,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:30,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:30,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700068500] [2023-12-02 13:49:30,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700068500] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:30,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:30,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:49:30,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418108404] [2023-12-02 13:49:30,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:30,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:49:30,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:30,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:49:30,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:49:30,522 INFO L87 Difference]: Start difference. First operand 3278 states and 6306 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:34,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:34,513 INFO L93 Difference]: Finished difference Result 5887 states and 11468 transitions. [2023-12-02 13:49:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:49:34,514 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:34,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:34,521 INFO L225 Difference]: With dead ends: 5887 [2023-12-02 13:49:34,521 INFO L226 Difference]: Without dead ends: 5887 [2023-12-02 13:49:34,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=691, Invalid=4421, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:49:34,522 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 1379 mSDsluCounter, 4146 mSDsCounter, 0 mSdLazyCounter, 3868 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 4406 SdHoareTripleChecker+Invalid, 4010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 3868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:34,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 4406 Invalid, 4010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 3868 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:49:34,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5887 states. [2023-12-02 13:49:34,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5887 to 3282. [2023-12-02 13:49:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3270 states have (on average 1.9308868501529053) internal successors, (6314), 3281 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:34,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 6314 transitions. [2023-12-02 13:49:34,575 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 6314 transitions. Word has length 163 [2023-12-02 13:49:34,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:34,575 INFO L495 AbstractCegarLoop]: Abstraction has 3282 states and 6314 transitions. [2023-12-02 13:49:34,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:34,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 6314 transitions. [2023-12-02 13:49:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:34,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:34,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:34,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-02 13:49:34,578 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:34,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:34,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1831504967, now seen corresponding path program 38 times [2023-12-02 13:49:34,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:34,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476265126] [2023-12-02 13:49:34,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:34,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:36,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:36,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476265126] [2023-12-02 13:49:36,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476265126] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:36,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:36,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:49:36,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584276936] [2023-12-02 13:49:36,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:36,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:49:36,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:36,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:49:36,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:49:36,010 INFO L87 Difference]: Start difference. First operand 3282 states and 6314 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:39,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:39,748 INFO L93 Difference]: Finished difference Result 6038 states and 11770 transitions. [2023-12-02 13:49:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 13:49:39,749 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:39,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:39,756 INFO L225 Difference]: With dead ends: 6038 [2023-12-02 13:49:39,756 INFO L226 Difference]: Without dead ends: 6038 [2023-12-02 13:49:39,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1213 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=730, Invalid=4382, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:49:39,757 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 1428 mSDsluCounter, 3901 mSDsCounter, 0 mSdLazyCounter, 3623 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 4187 SdHoareTripleChecker+Invalid, 3805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 3623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:39,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 4187 Invalid, 3805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 3623 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:49:39,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6038 states. [2023-12-02 13:49:39,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6038 to 3280. [2023-12-02 13:49:39,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3280 states, 3268 states have (on average 1.930844553243574) internal successors, (6310), 3279 states have internal predecessors, (6310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 3280 states and 6310 transitions. [2023-12-02 13:49:39,814 INFO L78 Accepts]: Start accepts. Automaton has 3280 states and 6310 transitions. Word has length 163 [2023-12-02 13:49:39,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:39,814 INFO L495 AbstractCegarLoop]: Abstraction has 3280 states and 6310 transitions. [2023-12-02 13:49:39,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:39,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 6310 transitions. [2023-12-02 13:49:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:39,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:39,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:39,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-02 13:49:39,816 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:39,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:39,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1026090587, now seen corresponding path program 39 times [2023-12-02 13:49:39,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:39,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333563330] [2023-12-02 13:49:39,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:39,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:41,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:41,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333563330] [2023-12-02 13:49:41,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333563330] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:41,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:41,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:49:41,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717487748] [2023-12-02 13:49:41,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:41,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:49:41,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:41,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:49:41,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:49:41,226 INFO L87 Difference]: Start difference. First operand 3280 states and 6310 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:44,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:44,978 INFO L93 Difference]: Finished difference Result 6139 states and 11972 transitions. [2023-12-02 13:49:44,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 13:49:44,978 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:44,985 INFO L225 Difference]: With dead ends: 6139 [2023-12-02 13:49:44,986 INFO L226 Difference]: Without dead ends: 6139 [2023-12-02 13:49:44,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=724, Invalid=4388, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:49:44,986 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 1207 mSDsluCounter, 3898 mSDsCounter, 0 mSdLazyCounter, 3697 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 4189 SdHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 3697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:44,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 4189 Invalid, 3907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 3697 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:49:44,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2023-12-02 13:49:45,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 3276. [2023-12-02 13:49:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3276 states, 3264 states have (on average 1.9307598039215685) internal successors, (6302), 3275 states have internal predecessors, (6302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 6302 transitions. [2023-12-02 13:49:45,041 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 6302 transitions. Word has length 163 [2023-12-02 13:49:45,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:45,042 INFO L495 AbstractCegarLoop]: Abstraction has 3276 states and 6302 transitions. [2023-12-02 13:49:45,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 6302 transitions. [2023-12-02 13:49:45,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:45,043 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:45,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:45,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-02 13:49:45,044 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:45,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:45,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1428077373, now seen corresponding path program 40 times [2023-12-02 13:49:45,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:45,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123103788] [2023-12-02 13:49:45,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:45,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:46,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:46,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123103788] [2023-12-02 13:49:46,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123103788] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:46,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:46,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:49:46,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797413596] [2023-12-02 13:49:46,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:46,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:49:46,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:46,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:49:46,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:49:46,703 INFO L87 Difference]: Start difference. First operand 3276 states and 6302 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:50,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:50,521 INFO L93 Difference]: Finished difference Result 5865 states and 11424 transitions. [2023-12-02 13:49:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 13:49:50,522 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:50,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:50,529 INFO L225 Difference]: With dead ends: 5865 [2023-12-02 13:49:50,529 INFO L226 Difference]: Without dead ends: 5865 [2023-12-02 13:49:50,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=678, Invalid=4292, Unknown=0, NotChecked=0, Total=4970 [2023-12-02 13:49:50,530 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 1411 mSDsluCounter, 4421 mSDsCounter, 0 mSdLazyCounter, 4057 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 4683 SdHoareTripleChecker+Invalid, 4196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 4057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:50,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 4683 Invalid, 4196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 4057 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:49:50,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5865 states. [2023-12-02 13:49:50,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5865 to 3282. [2023-12-02 13:49:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3270 states have (on average 1.9308868501529053) internal successors, (6314), 3281 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 6314 transitions. [2023-12-02 13:49:50,586 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 6314 transitions. Word has length 163 [2023-12-02 13:49:50,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:50,586 INFO L495 AbstractCegarLoop]: Abstraction has 3282 states and 6314 transitions. [2023-12-02 13:49:50,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 6314 transitions. [2023-12-02 13:49:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:50,588 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:50,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:50,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-02 13:49:50,589 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:50,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:50,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1435807771, now seen corresponding path program 41 times [2023-12-02 13:49:50,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:50,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711325928] [2023-12-02 13:49:50,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:50,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:52,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:52,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711325928] [2023-12-02 13:49:52,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711325928] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:52,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:52,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:49:52,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515050346] [2023-12-02 13:49:52,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:52,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:49:52,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:52,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:49:52,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:49:52,038 INFO L87 Difference]: Start difference. First operand 3282 states and 6314 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:55,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:55,682 INFO L93 Difference]: Finished difference Result 5942 states and 11578 transitions. [2023-12-02 13:49:55,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:49:55,683 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:49:55,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:55,690 INFO L225 Difference]: With dead ends: 5942 [2023-12-02 13:49:55,690 INFO L226 Difference]: Without dead ends: 5942 [2023-12-02 13:49:55,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1160 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=711, Invalid=4259, Unknown=0, NotChecked=0, Total=4970 [2023-12-02 13:49:55,691 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 1236 mSDsluCounter, 3499 mSDsCounter, 0 mSdLazyCounter, 3170 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 3787 SdHoareTripleChecker+Invalid, 3360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 3170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:55,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 3787 Invalid, 3360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 3170 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:49:55,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5942 states. [2023-12-02 13:49:55,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5942 to 3278. [2023-12-02 13:49:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3266 states have (on average 1.930802204531537) internal successors, (6306), 3277 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:55,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 6306 transitions. [2023-12-02 13:49:55,747 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 6306 transitions. Word has length 163 [2023-12-02 13:49:55,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:55,748 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 6306 transitions. [2023-12-02 13:49:55,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:49:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 6306 transitions. [2023-12-02 13:49:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:49:55,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:55,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:55,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-02 13:49:55,750 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:49:55,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:55,750 INFO L85 PathProgramCache]: Analyzing trace with hash -2072057557, now seen corresponding path program 42 times [2023-12-02 13:49:55,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:55,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011314842] [2023-12-02 13:49:55,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:55,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:49:57,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:57,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011314842] [2023-12-02 13:49:57,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011314842] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:57,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:57,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:49:57,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001258518] [2023-12-02 13:49:57,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:57,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:49:57,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:57,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:49:57,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:49:57,365 INFO L87 Difference]: Start difference. First operand 3278 states and 6306 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:00,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:00,937 INFO L93 Difference]: Finished difference Result 5957 states and 11608 transitions. [2023-12-02 13:50:00,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:50:00,938 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:00,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:00,945 INFO L225 Difference]: With dead ends: 5957 [2023-12-02 13:50:00,945 INFO L226 Difference]: Without dead ends: 5957 [2023-12-02 13:50:00,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1223 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=795, Invalid=4461, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:50:00,946 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1252 mSDsluCounter, 3228 mSDsCounter, 0 mSdLazyCounter, 2899 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 3505 SdHoareTripleChecker+Invalid, 3076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 2899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:00,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 3505 Invalid, 3076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 2899 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 13:50:00,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5957 states. [2023-12-02 13:50:00,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5957 to 3286. [2023-12-02 13:50:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3286 states, 3274 states have (on average 1.9309712889431887) internal successors, (6322), 3285 states have internal predecessors, (6322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 3286 states and 6322 transitions. [2023-12-02 13:50:01,002 INFO L78 Accepts]: Start accepts. Automaton has 3286 states and 6322 transitions. Word has length 163 [2023-12-02 13:50:01,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:01,002 INFO L495 AbstractCegarLoop]: Abstraction has 3286 states and 6322 transitions. [2023-12-02 13:50:01,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:01,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 6322 transitions. [2023-12-02 13:50:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:01,004 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:01,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:01,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-02 13:50:01,004 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:01,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:01,005 INFO L85 PathProgramCache]: Analyzing trace with hash -2079787955, now seen corresponding path program 43 times [2023-12-02 13:50:01,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:01,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986150892] [2023-12-02 13:50:01,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:01,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:02,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:02,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986150892] [2023-12-02 13:50:02,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986150892] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:02,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:02,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:50:02,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335236057] [2023-12-02 13:50:02,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:02,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:50:02,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:02,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:50:02,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:50:02,445 INFO L87 Difference]: Start difference. First operand 3286 states and 6322 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:06,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:06,340 INFO L93 Difference]: Finished difference Result 6034 states and 11762 transitions. [2023-12-02 13:50:06,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 13:50:06,340 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:06,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:06,348 INFO L225 Difference]: With dead ends: 6034 [2023-12-02 13:50:06,348 INFO L226 Difference]: Without dead ends: 6034 [2023-12-02 13:50:06,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1318 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=834, Invalid=4716, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:50:06,349 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 1396 mSDsluCounter, 4255 mSDsCounter, 0 mSdLazyCounter, 3776 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 4545 SdHoareTripleChecker+Invalid, 4058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 3776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:06,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 4545 Invalid, 4058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 3776 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:50:06,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6034 states. [2023-12-02 13:50:06,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6034 to 3282. [2023-12-02 13:50:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3270 states have (on average 1.9308868501529053) internal successors, (6314), 3281 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 6314 transitions. [2023-12-02 13:50:06,406 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 6314 transitions. Word has length 163 [2023-12-02 13:50:06,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:06,406 INFO L495 AbstractCegarLoop]: Abstraction has 3282 states and 6314 transitions. [2023-12-02 13:50:06,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 6314 transitions. [2023-12-02 13:50:06,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:06,408 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:06,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:06,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-12-02 13:50:06,408 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:06,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:06,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2040548245, now seen corresponding path program 44 times [2023-12-02 13:50:06,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:06,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115815772] [2023-12-02 13:50:06,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:06,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:07,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:07,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115815772] [2023-12-02 13:50:07,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115815772] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:07,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:07,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:50:07,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991611778] [2023-12-02 13:50:07,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:07,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:50:07,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:07,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:50:07,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:50:07,851 INFO L87 Difference]: Start difference. First operand 3282 states and 6314 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:11,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:11,400 INFO L93 Difference]: Finished difference Result 5975 states and 11644 transitions. [2023-12-02 13:50:11,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 13:50:11,401 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:11,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:11,408 INFO L225 Difference]: With dead ends: 5975 [2023-12-02 13:50:11,409 INFO L226 Difference]: Without dead ends: 5975 [2023-12-02 13:50:11,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1303 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=769, Invalid=4781, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:50:11,409 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1536 mSDsluCounter, 3531 mSDsCounter, 0 mSdLazyCounter, 3423 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 3795 SdHoareTripleChecker+Invalid, 3612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 3423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:11,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 3795 Invalid, 3612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 3423 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:50:11,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5975 states. [2023-12-02 13:50:11,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5975 to 3286. [2023-12-02 13:50:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3286 states, 3274 states have (on average 1.9309712889431887) internal successors, (6322), 3285 states have internal predecessors, (6322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:11,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 3286 states and 6322 transitions. [2023-12-02 13:50:11,479 INFO L78 Accepts]: Start accepts. Automaton has 3286 states and 6322 transitions. Word has length 163 [2023-12-02 13:50:11,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:11,479 INFO L495 AbstractCegarLoop]: Abstraction has 3286 states and 6322 transitions. [2023-12-02 13:50:11,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 6322 transitions. [2023-12-02 13:50:11,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:11,481 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:11,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:11,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-12-02 13:50:11,482 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:11,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:11,483 INFO L85 PathProgramCache]: Analyzing trace with hash -2048278643, now seen corresponding path program 45 times [2023-12-02 13:50:11,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:11,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036793956] [2023-12-02 13:50:11,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:11,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:12,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:12,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036793956] [2023-12-02 13:50:12,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036793956] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:12,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:12,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:50:12,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432658430] [2023-12-02 13:50:12,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:12,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:50:12,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:12,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:50:12,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:50:12,846 INFO L87 Difference]: Start difference. First operand 3286 states and 6322 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:16,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:16,336 INFO L93 Difference]: Finished difference Result 6126 states and 11946 transitions. [2023-12-02 13:50:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 13:50:16,336 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:16,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:16,343 INFO L225 Difference]: With dead ends: 6126 [2023-12-02 13:50:16,343 INFO L226 Difference]: Without dead ends: 6126 [2023-12-02 13:50:16,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1287 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=793, Invalid=4609, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 13:50:16,344 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 1577 mSDsluCounter, 3339 mSDsCounter, 0 mSdLazyCounter, 3190 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1577 SdHoareTripleChecker+Valid, 3629 SdHoareTripleChecker+Invalid, 3424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 3190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:16,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1577 Valid, 3629 Invalid, 3424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 3190 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:50:16,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6126 states. [2023-12-02 13:50:16,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6126 to 3284. [2023-12-02 13:50:16,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3284 states, 3272 states have (on average 1.9309290953545233) internal successors, (6318), 3283 states have internal predecessors, (6318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:16,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 3284 states and 6318 transitions. [2023-12-02 13:50:16,395 INFO L78 Accepts]: Start accepts. Automaton has 3284 states and 6318 transitions. Word has length 163 [2023-12-02 13:50:16,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:16,395 INFO L495 AbstractCegarLoop]: Abstraction has 3284 states and 6318 transitions. [2023-12-02 13:50:16,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:16,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 6318 transitions. [2023-12-02 13:50:16,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:16,397 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:16,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:16,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-12-02 13:50:16,398 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:16,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:16,398 INFO L85 PathProgramCache]: Analyzing trace with hash -610906901, now seen corresponding path program 46 times [2023-12-02 13:50:16,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:16,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441631614] [2023-12-02 13:50:16,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:16,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:17,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:17,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441631614] [2023-12-02 13:50:17,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441631614] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:17,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:17,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:50:17,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598632724] [2023-12-02 13:50:17,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:17,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:50:17,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:17,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:50:17,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:50:17,824 INFO L87 Difference]: Start difference. First operand 3284 states and 6318 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:21,915 INFO L93 Difference]: Finished difference Result 6175 states and 12044 transitions. [2023-12-02 13:50:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 13:50:21,916 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:21,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:21,924 INFO L225 Difference]: With dead ends: 6175 [2023-12-02 13:50:21,925 INFO L226 Difference]: Without dead ends: 6175 [2023-12-02 13:50:21,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1405 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=801, Invalid=5051, Unknown=0, NotChecked=0, Total=5852 [2023-12-02 13:50:21,926 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 1466 mSDsluCounter, 3947 mSDsCounter, 0 mSdLazyCounter, 4015 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 4231 SdHoareTripleChecker+Invalid, 4196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 4015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:21,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 4231 Invalid, 4196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 4015 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:50:21,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6175 states. [2023-12-02 13:50:21,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6175 to 3280. [2023-12-02 13:50:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3280 states, 3268 states have (on average 1.930844553243574) internal successors, (6310), 3279 states have internal predecessors, (6310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 3280 states and 6310 transitions. [2023-12-02 13:50:21,983 INFO L78 Accepts]: Start accepts. Automaton has 3280 states and 6310 transitions. Word has length 163 [2023-12-02 13:50:21,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:21,983 INFO L495 AbstractCegarLoop]: Abstraction has 3280 states and 6310 transitions. [2023-12-02 13:50:21,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 6310 transitions. [2023-12-02 13:50:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:21,985 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:21,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:21,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-12-02 13:50:21,986 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:21,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:21,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1504918771, now seen corresponding path program 47 times [2023-12-02 13:50:21,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:21,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812035508] [2023-12-02 13:50:21,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:21,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:23,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:23,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812035508] [2023-12-02 13:50:23,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812035508] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:23,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:23,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:50:23,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221858724] [2023-12-02 13:50:23,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:23,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:50:23,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:23,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:50:23,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:50:23,493 INFO L87 Difference]: Start difference. First operand 3280 states and 6310 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:26,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:26,790 INFO L93 Difference]: Finished difference Result 5891 states and 11476 transitions. [2023-12-02 13:50:26,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 13:50:26,790 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:26,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:26,798 INFO L225 Difference]: With dead ends: 5891 [2023-12-02 13:50:26,798 INFO L226 Difference]: Without dead ends: 5891 [2023-12-02 13:50:26,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1211 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=713, Invalid=4543, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:50:26,799 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 1518 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 2926 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 3386 SdHoareTripleChecker+Invalid, 3101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 2926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:26,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 3386 Invalid, 3101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 2926 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 13:50:26,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2023-12-02 13:50:26,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 3286. [2023-12-02 13:50:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3286 states, 3274 states have (on average 1.9309712889431887) internal successors, (6322), 3285 states have internal predecessors, (6322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:26,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 3286 states and 6322 transitions. [2023-12-02 13:50:26,856 INFO L78 Accepts]: Start accepts. Automaton has 3286 states and 6322 transitions. Word has length 163 [2023-12-02 13:50:26,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:26,856 INFO L495 AbstractCegarLoop]: Abstraction has 3286 states and 6322 transitions. [2023-12-02 13:50:26,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:26,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 6322 transitions. [2023-12-02 13:50:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:26,858 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:26,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:26,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-12-02 13:50:26,859 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:26,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:26,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1512649169, now seen corresponding path program 48 times [2023-12-02 13:50:26,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:26,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341061518] [2023-12-02 13:50:26,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:26,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:28,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:28,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341061518] [2023-12-02 13:50:28,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341061518] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:28,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:28,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:50:28,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154622030] [2023-12-02 13:50:28,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:28,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:50:28,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:28,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:50:28,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:50:28,264 INFO L87 Difference]: Start difference. First operand 3286 states and 6322 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:32,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:32,449 INFO L93 Difference]: Finished difference Result 6042 states and 11778 transitions. [2023-12-02 13:50:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:50:32,449 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:32,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:32,457 INFO L225 Difference]: With dead ends: 6042 [2023-12-02 13:50:32,457 INFO L226 Difference]: Without dead ends: 6042 [2023-12-02 13:50:32,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=758, Invalid=4498, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:50:32,458 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 1380 mSDsluCounter, 4598 mSDsCounter, 0 mSdLazyCounter, 4274 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1380 SdHoareTripleChecker+Valid, 4886 SdHoareTripleChecker+Invalid, 4439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 4274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:32,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1380 Valid, 4886 Invalid, 4439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 4274 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 13:50:32,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6042 states. [2023-12-02 13:50:32,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6042 to 3284. [2023-12-02 13:50:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3284 states, 3272 states have (on average 1.9309290953545233) internal successors, (6318), 3283 states have internal predecessors, (6318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:32,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 3284 states and 6318 transitions. [2023-12-02 13:50:32,515 INFO L78 Accepts]: Start accepts. Automaton has 3284 states and 6318 transitions. Word has length 163 [2023-12-02 13:50:32,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:32,516 INFO L495 AbstractCegarLoop]: Abstraction has 3284 states and 6318 transitions. [2023-12-02 13:50:32,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 6318 transitions. [2023-12-02 13:50:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:32,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:32,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:32,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-12-02 13:50:32,518 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:32,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:32,518 INFO L85 PathProgramCache]: Analyzing trace with hash -75277427, now seen corresponding path program 49 times [2023-12-02 13:50:32,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:32,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128263355] [2023-12-02 13:50:32,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:32,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:33,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:33,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128263355] [2023-12-02 13:50:33,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128263355] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:33,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:33,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:50:33,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75187672] [2023-12-02 13:50:33,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:33,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:50:33,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:33,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:50:33,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:50:33,950 INFO L87 Difference]: Start difference. First operand 3284 states and 6318 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:37,752 INFO L93 Difference]: Finished difference Result 6109 states and 11912 transitions. [2023-12-02 13:50:37,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:50:37,752 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:37,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:37,760 INFO L225 Difference]: With dead ends: 6109 [2023-12-02 13:50:37,760 INFO L226 Difference]: Without dead ends: 6109 [2023-12-02 13:50:37,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1261 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=751, Invalid=4505, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:50:37,761 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 1243 mSDsluCounter, 3758 mSDsCounter, 0 mSdLazyCounter, 3627 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 4051 SdHoareTripleChecker+Invalid, 3872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 3627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:37,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 4051 Invalid, 3872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 3627 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:50:37,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6109 states. [2023-12-02 13:50:37,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6109 to 3282. [2023-12-02 13:50:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3270 states have (on average 1.9308868501529053) internal successors, (6314), 3281 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 6314 transitions. [2023-12-02 13:50:37,818 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 6314 transitions. Word has length 163 [2023-12-02 13:50:37,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:37,818 INFO L495 AbstractCegarLoop]: Abstraction has 3282 states and 6314 transitions. [2023-12-02 13:50:37,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 6314 transitions. [2023-12-02 13:50:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:37,820 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:37,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:37,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-12-02 13:50:37,821 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:37,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:37,821 INFO L85 PathProgramCache]: Analyzing trace with hash 337130287, now seen corresponding path program 50 times [2023-12-02 13:50:37,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:37,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476143675] [2023-12-02 13:50:37,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:37,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:39,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:39,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476143675] [2023-12-02 13:50:39,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476143675] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:39,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:39,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:50:39,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983300556] [2023-12-02 13:50:39,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:39,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:50:39,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:39,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:50:39,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:50:39,574 INFO L87 Difference]: Start difference. First operand 3282 states and 6314 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:43,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:43,039 INFO L93 Difference]: Finished difference Result 6153 states and 12000 transitions. [2023-12-02 13:50:43,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:50:43,039 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:43,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:43,048 INFO L225 Difference]: With dead ends: 6153 [2023-12-02 13:50:43,048 INFO L226 Difference]: Without dead ends: 6153 [2023-12-02 13:50:43,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1265 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=746, Invalid=4510, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:50:43,049 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 1234 mSDsluCounter, 3367 mSDsCounter, 0 mSdLazyCounter, 3345 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 3663 SdHoareTripleChecker+Invalid, 3554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 3345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:43,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 3663 Invalid, 3554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 3345 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:50:43,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6153 states. [2023-12-02 13:50:43,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6153 to 3278. [2023-12-02 13:50:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3266 states have (on average 1.930802204531537) internal successors, (6306), 3277 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 6306 transitions. [2023-12-02 13:50:43,119 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 6306 transitions. Word has length 163 [2023-12-02 13:50:43,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:43,119 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 6306 transitions. [2023-12-02 13:50:43,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:43,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 6306 transitions. [2023-12-02 13:50:43,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:43,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:43,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:43,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-12-02 13:50:43,122 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:43,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:43,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1684912437, now seen corresponding path program 51 times [2023-12-02 13:50:43,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:43,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909186444] [2023-12-02 13:50:43,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:43,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:44,673 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:44,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909186444] [2023-12-02 13:50:44,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909186444] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:44,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:44,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:50:44,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409183587] [2023-12-02 13:50:44,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:44,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:50:44,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:44,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:50:44,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:50:44,675 INFO L87 Difference]: Start difference. First operand 3278 states and 6306 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:49,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:49,171 INFO L93 Difference]: Finished difference Result 6012 states and 11715 transitions. [2023-12-02 13:50:49,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:50:49,171 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:49,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:49,179 INFO L225 Difference]: With dead ends: 6012 [2023-12-02 13:50:49,179 INFO L226 Difference]: Without dead ends: 6012 [2023-12-02 13:50:49,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=844, Invalid=4558, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 13:50:49,180 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 1774 mSDsluCounter, 4367 mSDsCounter, 0 mSdLazyCounter, 4492 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 4678 SdHoareTripleChecker+Invalid, 4702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 4492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:49,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 4678 Invalid, 4702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 4492 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 13:50:49,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6012 states. [2023-12-02 13:50:49,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6012 to 3285. [2023-12-02 13:50:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3285 states, 3273 states have (on average 1.9309501985945616) internal successors, (6320), 3284 states have internal predecessors, (6320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 6320 transitions. [2023-12-02 13:50:49,237 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 6320 transitions. Word has length 163 [2023-12-02 13:50:49,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:49,237 INFO L495 AbstractCegarLoop]: Abstraction has 3285 states and 6320 transitions. [2023-12-02 13:50:49,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:49,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 6320 transitions. [2023-12-02 13:50:49,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:49,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:49,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:49,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-12-02 13:50:49,240 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:49,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:49,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1692642835, now seen corresponding path program 52 times [2023-12-02 13:50:49,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:49,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711454923] [2023-12-02 13:50:49,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:49,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:50,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:50,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711454923] [2023-12-02 13:50:50,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711454923] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:50,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:50,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:50:50,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248143770] [2023-12-02 13:50:50,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:50,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:50:50,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:50,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:50:50,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:50:50,714 INFO L87 Difference]: Start difference. First operand 3285 states and 6320 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:55,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:55,013 INFO L93 Difference]: Finished difference Result 6089 states and 11869 transitions. [2023-12-02 13:50:55,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:50:55,013 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:55,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:55,020 INFO L225 Difference]: With dead ends: 6089 [2023-12-02 13:50:55,020 INFO L226 Difference]: Without dead ends: 6089 [2023-12-02 13:50:55,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=873, Invalid=4383, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:50:55,021 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 1747 mSDsluCounter, 4587 mSDsCounter, 0 mSdLazyCounter, 4602 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 4836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 4602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:55,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1747 Valid, 4924 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 4602 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:50:55,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6089 states. [2023-12-02 13:50:55,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6089 to 3281. [2023-12-02 13:50:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3281 states, 3269 states have (on average 1.9308657081676353) internal successors, (6312), 3280 states have internal predecessors, (6312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:55,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 3281 states and 6312 transitions. [2023-12-02 13:50:55,074 INFO L78 Accepts]: Start accepts. Automaton has 3281 states and 6312 transitions. Word has length 163 [2023-12-02 13:50:55,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:55,074 INFO L495 AbstractCegarLoop]: Abstraction has 3281 states and 6312 transitions. [2023-12-02 13:50:55,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:55,074 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 6312 transitions. [2023-12-02 13:50:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:55,076 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:55,076 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:55,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-12-02 13:50:55,076 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:55,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:55,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1653403125, now seen corresponding path program 53 times [2023-12-02 13:50:55,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:55,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753986384] [2023-12-02 13:50:55,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:55,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:50:56,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:50:56,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:56,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753986384] [2023-12-02 13:50:56,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753986384] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:50:56,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:50:56,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:50:56,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894096721] [2023-12-02 13:50:56,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:50:56,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:50:56,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:56,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:50:56,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:50:56,502 INFO L87 Difference]: Start difference. First operand 3281 states and 6312 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:59,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:59,719 INFO L93 Difference]: Finished difference Result 5964 states and 11619 transitions. [2023-12-02 13:50:59,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-12-02 13:50:59,720 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:50:59,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:59,729 INFO L225 Difference]: With dead ends: 5964 [2023-12-02 13:50:59,729 INFO L226 Difference]: Without dead ends: 5964 [2023-12-02 13:50:59,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1039 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=762, Invalid=3930, Unknown=0, NotChecked=0, Total=4692 [2023-12-02 13:50:59,730 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 1471 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 3071 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 3413 SdHoareTripleChecker+Invalid, 3262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 3071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:59,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 3413 Invalid, 3262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 3071 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 13:50:59,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5964 states. [2023-12-02 13:50:59,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5964 to 3285. [2023-12-02 13:50:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3285 states, 3273 states have (on average 1.9309501985945616) internal successors, (6320), 3284 states have internal predecessors, (6320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:59,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 6320 transitions. [2023-12-02 13:50:59,788 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 6320 transitions. Word has length 163 [2023-12-02 13:50:59,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:59,788 INFO L495 AbstractCegarLoop]: Abstraction has 3285 states and 6320 transitions. [2023-12-02 13:50:59,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:50:59,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 6320 transitions. [2023-12-02 13:50:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:50:59,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:59,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:59,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-12-02 13:50:59,790 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:50:59,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:59,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1661133523, now seen corresponding path program 54 times [2023-12-02 13:50:59,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:59,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030505251] [2023-12-02 13:50:59,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:59,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:01,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:01,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:01,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030505251] [2023-12-02 13:51:01,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030505251] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:01,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:01,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:51:01,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334509421] [2023-12-02 13:51:01,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:01,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:51:01,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:01,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:51:01,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:51:01,238 INFO L87 Difference]: Start difference. First operand 3285 states and 6320 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:06,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:06,186 INFO L93 Difference]: Finished difference Result 6115 states and 11921 transitions. [2023-12-02 13:51:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 13:51:06,187 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:51:06,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:06,194 INFO L225 Difference]: With dead ends: 6115 [2023-12-02 13:51:06,194 INFO L226 Difference]: Without dead ends: 6115 [2023-12-02 13:51:06,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=849, Invalid=4701, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:51:06,195 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 1222 mSDsluCounter, 5422 mSDsCounter, 0 mSdLazyCounter, 5632 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 5746 SdHoareTripleChecker+Invalid, 5811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 5632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:06,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1222 Valid, 5746 Invalid, 5811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 5632 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 13:51:06,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6115 states. [2023-12-02 13:51:06,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6115 to 3283. [2023-12-02 13:51:06,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 3271 states have (on average 1.9309079792112505) internal successors, (6316), 3282 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 6316 transitions. [2023-12-02 13:51:06,251 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 6316 transitions. Word has length 163 [2023-12-02 13:51:06,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:06,251 INFO L495 AbstractCegarLoop]: Abstraction has 3283 states and 6316 transitions. [2023-12-02 13:51:06,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:06,251 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 6316 transitions. [2023-12-02 13:51:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:51:06,253 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:06,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:06,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-12-02 13:51:06,253 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:51:06,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:06,253 INFO L85 PathProgramCache]: Analyzing trace with hash -223761781, now seen corresponding path program 55 times [2023-12-02 13:51:06,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:06,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494462771] [2023-12-02 13:51:06,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:06,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:07,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:07,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494462771] [2023-12-02 13:51:07,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494462771] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:07,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:07,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:51:07,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513674735] [2023-12-02 13:51:07,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:07,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:51:07,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:07,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:51:07,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:51:07,667 INFO L87 Difference]: Start difference. First operand 3283 states and 6316 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:11,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:11,793 INFO L93 Difference]: Finished difference Result 6216 states and 12123 transitions. [2023-12-02 13:51:11,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 13:51:11,793 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:51:11,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:11,802 INFO L225 Difference]: With dead ends: 6216 [2023-12-02 13:51:11,802 INFO L226 Difference]: Without dead ends: 6216 [2023-12-02 13:51:11,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=826, Invalid=4286, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:51:11,802 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 1647 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 3957 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 4234 SdHoareTripleChecker+Invalid, 4202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 3957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:11,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 4234 Invalid, 4202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 3957 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:51:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6216 states. [2023-12-02 13:51:11,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6216 to 3279. [2023-12-02 13:51:11,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3279 states, 3267 states have (on average 1.93082338536884) internal successors, (6308), 3278 states have internal predecessors, (6308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 6308 transitions. [2023-12-02 13:51:11,866 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 6308 transitions. Word has length 163 [2023-12-02 13:51:11,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:11,866 INFO L495 AbstractCegarLoop]: Abstraction has 3279 states and 6308 transitions. [2023-12-02 13:51:11,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 6308 transitions. [2023-12-02 13:51:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:51:11,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:11,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:11,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-12-02 13:51:11,869 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:51:11,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:11,869 INFO L85 PathProgramCache]: Analyzing trace with hash -625748567, now seen corresponding path program 56 times [2023-12-02 13:51:11,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:11,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208211982] [2023-12-02 13:51:11,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:11,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:13,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:13,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208211982] [2023-12-02 13:51:13,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208211982] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:13,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:13,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:51:13,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284571408] [2023-12-02 13:51:13,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:13,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:51:13,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:13,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:51:13,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:51:13,327 INFO L87 Difference]: Start difference. First operand 3279 states and 6308 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:17,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:17,181 INFO L93 Difference]: Finished difference Result 5950 states and 11591 transitions. [2023-12-02 13:51:17,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-12-02 13:51:17,182 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:51:17,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:17,189 INFO L225 Difference]: With dead ends: 5950 [2023-12-02 13:51:17,189 INFO L226 Difference]: Without dead ends: 5950 [2023-12-02 13:51:17,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1001 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=738, Invalid=3818, Unknown=0, NotChecked=0, Total=4556 [2023-12-02 13:51:17,190 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 1506 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 3595 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 3758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 3595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:17,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 4081 Invalid, 3758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 3595 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:51:17,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5950 states. [2023-12-02 13:51:17,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5950 to 3284. [2023-12-02 13:51:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3284 states, 3272 states have (on average 1.9309290953545233) internal successors, (6318), 3283 states have internal predecessors, (6318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 3284 states and 6318 transitions. [2023-12-02 13:51:17,246 INFO L78 Accepts]: Start accepts. Automaton has 3284 states and 6318 transitions. Word has length 163 [2023-12-02 13:51:17,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:17,247 INFO L495 AbstractCegarLoop]: Abstraction has 3284 states and 6318 transitions. [2023-12-02 13:51:17,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 6318 transitions. [2023-12-02 13:51:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:51:17,248 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:17,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:17,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-12-02 13:51:17,249 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:51:17,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:17,249 INFO L85 PathProgramCache]: Analyzing trace with hash -633478965, now seen corresponding path program 57 times [2023-12-02 13:51:17,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:17,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167443111] [2023-12-02 13:51:17,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:17,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:18,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:18,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167443111] [2023-12-02 13:51:18,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167443111] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:18,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:18,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:51:18,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180399662] [2023-12-02 13:51:18,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:18,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:51:18,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:18,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:51:18,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:51:18,692 INFO L87 Difference]: Start difference. First operand 3284 states and 6318 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:22,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:22,938 INFO L93 Difference]: Finished difference Result 6027 states and 11745 transitions. [2023-12-02 13:51:22,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:51:22,939 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:51:22,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:22,947 INFO L225 Difference]: With dead ends: 6027 [2023-12-02 13:51:22,947 INFO L226 Difference]: Without dead ends: 6027 [2023-12-02 13:51:22,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=802, Invalid=4168, Unknown=0, NotChecked=0, Total=4970 [2023-12-02 13:51:22,948 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 1479 mSDsluCounter, 4022 mSDsCounter, 0 mSdLazyCounter, 3853 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 4361 SdHoareTripleChecker+Invalid, 4078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 3853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:22,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 4361 Invalid, 4078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 3853 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 13:51:22,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6027 states. [2023-12-02 13:51:22,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6027 to 3278. [2023-12-02 13:51:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3266 states have (on average 1.930802204531537) internal successors, (6306), 3277 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 6306 transitions. [2023-12-02 13:51:23,006 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 6306 transitions. Word has length 163 [2023-12-02 13:51:23,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:23,006 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 6306 transitions. [2023-12-02 13:51:23,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 6306 transitions. [2023-12-02 13:51:23,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:51:23,008 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:23,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:23,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-12-02 13:51:23,008 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:51:23,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:23,009 INFO L85 PathProgramCache]: Analyzing trace with hash 10718287, now seen corresponding path program 58 times [2023-12-02 13:51:23,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:23,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637933982] [2023-12-02 13:51:23,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:23,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:24,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:24,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637933982] [2023-12-02 13:51:24,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637933982] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:24,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:24,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:51:24,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641637222] [2023-12-02 13:51:24,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:24,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:51:24,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:24,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:51:24,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:51:24,587 INFO L87 Difference]: Start difference. First operand 3278 states and 6306 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:29,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:29,557 INFO L93 Difference]: Finished difference Result 5927 states and 11545 transitions. [2023-12-02 13:51:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:51:29,557 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:51:29,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:29,564 INFO L225 Difference]: With dead ends: 5927 [2023-12-02 13:51:29,564 INFO L226 Difference]: Without dead ends: 5927 [2023-12-02 13:51:29,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1142 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=798, Invalid=4314, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:51:29,565 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 1534 mSDsluCounter, 5129 mSDsCounter, 0 mSdLazyCounter, 5290 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 5485 SdHoareTripleChecker+Invalid, 5467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 5290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:29,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 5485 Invalid, 5467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 5290 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 13:51:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5927 states. [2023-12-02 13:51:29,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5927 to 3283. [2023-12-02 13:51:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 3271 states have (on average 1.9309079792112505) internal successors, (6316), 3282 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 6316 transitions. [2023-12-02 13:51:29,622 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 6316 transitions. Word has length 163 [2023-12-02 13:51:29,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:29,622 INFO L495 AbstractCegarLoop]: Abstraction has 3283 states and 6316 transitions. [2023-12-02 13:51:29,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:29,622 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 6316 transitions. [2023-12-02 13:51:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:51:29,624 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:29,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:29,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-12-02 13:51:29,624 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:51:29,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:29,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2987889, now seen corresponding path program 59 times [2023-12-02 13:51:29,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:29,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254986379] [2023-12-02 13:51:29,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:29,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:31,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:31,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254986379] [2023-12-02 13:51:31,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254986379] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:31,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:31,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:51:31,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049152538] [2023-12-02 13:51:31,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:31,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:51:31,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:31,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:51:31,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:51:31,189 INFO L87 Difference]: Start difference. First operand 3283 states and 6316 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:36,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:36,963 INFO L93 Difference]: Finished difference Result 6004 states and 11699 transitions. [2023-12-02 13:51:36,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 13:51:36,963 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:51:36,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:36,970 INFO L225 Difference]: With dead ends: 6004 [2023-12-02 13:51:36,970 INFO L226 Difference]: Without dead ends: 6004 [2023-12-02 13:51:36,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=869, Invalid=4681, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:51:36,971 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 1251 mSDsluCounter, 6129 mSDsCounter, 0 mSdLazyCounter, 6582 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 6498 SdHoareTripleChecker+Invalid, 6748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 6582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:36,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 6498 Invalid, 6748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 6582 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-12-02 13:51:36,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6004 states. [2023-12-02 13:51:37,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6004 to 3278. [2023-12-02 13:51:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3266 states have (on average 1.930802204531537) internal successors, (6306), 3277 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 6306 transitions. [2023-12-02 13:51:37,024 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 6306 transitions. Word has length 163 [2023-12-02 13:51:37,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:37,025 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 6306 transitions. [2023-12-02 13:51:37,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 6306 transitions. [2023-12-02 13:51:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:51:37,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:37,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:37,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-12-02 13:51:37,027 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:51:37,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:37,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1486964441, now seen corresponding path program 60 times [2023-12-02 13:51:37,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:37,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093879569] [2023-12-02 13:51:37,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:37,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:38,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:38,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093879569] [2023-12-02 13:51:38,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093879569] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:38,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:38,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:51:38,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197741966] [2023-12-02 13:51:38,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:38,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:51:38,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:38,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:51:38,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:51:38,505 INFO L87 Difference]: Start difference. First operand 3278 states and 6306 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:41,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:41,956 INFO L93 Difference]: Finished difference Result 6025 states and 11741 transitions. [2023-12-02 13:51:41,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 13:51:41,956 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:51:41,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:41,963 INFO L225 Difference]: With dead ends: 6025 [2023-12-02 13:51:41,963 INFO L226 Difference]: Without dead ends: 6025 [2023-12-02 13:51:41,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=796, Invalid=4460, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:51:41,964 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 1786 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 3433 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 3802 SdHoareTripleChecker+Invalid, 3668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 3433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:41,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 3802 Invalid, 3668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 3433 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:51:41,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6025 states. [2023-12-02 13:51:42,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6025 to 3284. [2023-12-02 13:51:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3284 states, 3272 states have (on average 1.9309290953545233) internal successors, (6318), 3283 states have internal predecessors, (6318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:42,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 3284 states and 6318 transitions. [2023-12-02 13:51:42,017 INFO L78 Accepts]: Start accepts. Automaton has 3284 states and 6318 transitions. Word has length 163 [2023-12-02 13:51:42,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:42,018 INFO L495 AbstractCegarLoop]: Abstraction has 3284 states and 6318 transitions. [2023-12-02 13:51:42,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 6318 transitions. [2023-12-02 13:51:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:51:42,019 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:42,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:42,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-12-02 13:51:42,020 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:51:42,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:42,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1494694839, now seen corresponding path program 61 times [2023-12-02 13:51:42,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:42,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358594234] [2023-12-02 13:51:42,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:42,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:43,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:43,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358594234] [2023-12-02 13:51:43,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358594234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:43,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:43,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:51:43,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044865682] [2023-12-02 13:51:43,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:43,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:51:43,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:43,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:51:43,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:51:43,417 INFO L87 Difference]: Start difference. First operand 3284 states and 6318 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:47,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:47,246 INFO L93 Difference]: Finished difference Result 6102 states and 11895 transitions. [2023-12-02 13:51:47,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 13:51:47,246 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:51:47,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:47,254 INFO L225 Difference]: With dead ends: 6102 [2023-12-02 13:51:47,254 INFO L226 Difference]: Without dead ends: 6102 [2023-12-02 13:51:47,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=820, Invalid=4292, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:51:47,255 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 1409 mSDsluCounter, 3919 mSDsCounter, 0 mSdLazyCounter, 3801 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 4227 SdHoareTripleChecker+Invalid, 4020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 3801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:47,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1409 Valid, 4227 Invalid, 4020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 3801 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:51:47,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6102 states. [2023-12-02 13:51:47,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6102 to 3280. [2023-12-02 13:51:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3280 states, 3268 states have (on average 1.930844553243574) internal successors, (6310), 3279 states have internal predecessors, (6310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 3280 states and 6310 transitions. [2023-12-02 13:51:47,313 INFO L78 Accepts]: Start accepts. Automaton has 3280 states and 6310 transitions. Word has length 163 [2023-12-02 13:51:47,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:47,313 INFO L495 AbstractCegarLoop]: Abstraction has 3280 states and 6310 transitions. [2023-12-02 13:51:47,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 6310 transitions. [2023-12-02 13:51:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:51:47,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:47,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:47,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-12-02 13:51:47,315 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:51:47,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:47,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1455455129, now seen corresponding path program 62 times [2023-12-02 13:51:47,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:47,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981142342] [2023-12-02 13:51:47,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:47,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:48,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:48,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:48,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981142342] [2023-12-02 13:51:48,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981142342] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:48,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:48,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:51:48,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632859497] [2023-12-02 13:51:48,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:48,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:51:48,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:48,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:51:48,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:51:48,745 INFO L87 Difference]: Start difference. First operand 3280 states and 6310 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:52,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:52,590 INFO L93 Difference]: Finished difference Result 5977 states and 11645 transitions. [2023-12-02 13:51:52,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-12-02 13:51:52,591 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:51:52,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:52,598 INFO L225 Difference]: With dead ends: 5977 [2023-12-02 13:51:52,598 INFO L226 Difference]: Without dead ends: 5977 [2023-12-02 13:51:52,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=734, Invalid=4236, Unknown=0, NotChecked=0, Total=4970 [2023-12-02 13:51:52,599 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 1467 mSDsluCounter, 4000 mSDsCounter, 0 mSdLazyCounter, 3948 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 4283 SdHoareTripleChecker+Invalid, 4166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 3948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:52,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 4283 Invalid, 4166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 3948 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:51:52,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5977 states. [2023-12-02 13:51:52,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5977 to 3284. [2023-12-02 13:51:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3284 states, 3272 states have (on average 1.9309290953545233) internal successors, (6318), 3283 states have internal predecessors, (6318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 3284 states and 6318 transitions. [2023-12-02 13:51:52,655 INFO L78 Accepts]: Start accepts. Automaton has 3284 states and 6318 transitions. Word has length 163 [2023-12-02 13:51:52,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:52,656 INFO L495 AbstractCegarLoop]: Abstraction has 3284 states and 6318 transitions. [2023-12-02 13:51:52,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 6318 transitions. [2023-12-02 13:51:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:51:52,658 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:52,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:52,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-12-02 13:51:52,658 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:51:52,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:52,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1463185527, now seen corresponding path program 63 times [2023-12-02 13:51:52,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:52,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107334598] [2023-12-02 13:51:52,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:52,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:54,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:54,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:54,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107334598] [2023-12-02 13:51:54,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107334598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:54,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:54,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:51:54,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760256779] [2023-12-02 13:51:54,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:54,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:51:54,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:54,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:51:54,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:51:54,176 INFO L87 Difference]: Start difference. First operand 3284 states and 6318 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:58,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:58,119 INFO L93 Difference]: Finished difference Result 6128 states and 11947 transitions. [2023-12-02 13:51:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:51:58,120 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:51:58,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:58,128 INFO L225 Difference]: With dead ends: 6128 [2023-12-02 13:51:58,128 INFO L226 Difference]: Without dead ends: 6128 [2023-12-02 13:51:58,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1266 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=797, Invalid=4605, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 13:51:58,128 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 1261 mSDsluCounter, 4182 mSDsCounter, 0 mSdLazyCounter, 4304 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 4478 SdHoareTripleChecker+Invalid, 4501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 4304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:58,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 4478 Invalid, 4501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 4304 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:51:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6128 states. [2023-12-02 13:51:58,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6128 to 3282. [2023-12-02 13:51:58,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3270 states have (on average 1.9308868501529053) internal successors, (6314), 3281 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 6314 transitions. [2023-12-02 13:51:58,186 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 6314 transitions. Word has length 163 [2023-12-02 13:51:58,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:58,186 INFO L495 AbstractCegarLoop]: Abstraction has 3282 states and 6314 transitions. [2023-12-02 13:51:58,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:51:58,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 6314 transitions. [2023-12-02 13:51:58,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:51:58,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:58,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:58,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-12-02 13:51:58,189 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:51:58,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:58,189 INFO L85 PathProgramCache]: Analyzing trace with hash -25813785, now seen corresponding path program 64 times [2023-12-02 13:51:58,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:58,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353525468] [2023-12-02 13:51:58,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:58,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:51:59,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:59,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353525468] [2023-12-02 13:51:59,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353525468] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:59,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:59,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:51:59,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66896552] [2023-12-02 13:51:59,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:59,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:51:59,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:59,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:51:59,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:51:59,661 INFO L87 Difference]: Start difference. First operand 3282 states and 6314 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:03,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:03,930 INFO L93 Difference]: Finished difference Result 6229 states and 12149 transitions. [2023-12-02 13:52:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:52:03,931 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:03,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:03,939 INFO L225 Difference]: With dead ends: 6229 [2023-12-02 13:52:03,939 INFO L226 Difference]: Without dead ends: 6229 [2023-12-02 13:52:03,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1268 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=791, Invalid=4611, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 13:52:03,939 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 1231 mSDsluCounter, 4370 mSDsCounter, 0 mSdLazyCounter, 4660 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 4671 SdHoareTripleChecker+Invalid, 4850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 4660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:03,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 4671 Invalid, 4850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 4660 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:52:03,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6229 states. [2023-12-02 13:52:04,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6229 to 3278. [2023-12-02 13:52:04,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3266 states have (on average 1.930802204531537) internal successors, (6306), 3277 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:04,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 6306 transitions. [2023-12-02 13:52:04,023 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 6306 transitions. Word has length 163 [2023-12-02 13:52:04,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:04,024 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 6306 transitions. [2023-12-02 13:52:04,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:04,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 6306 transitions. [2023-12-02 13:52:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:04,027 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:04,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:04,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-12-02 13:52:04,027 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:04,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:04,027 INFO L85 PathProgramCache]: Analyzing trace with hash -427800571, now seen corresponding path program 65 times [2023-12-02 13:52:04,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:04,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625142728] [2023-12-02 13:52:04,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:04,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:05,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:05,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625142728] [2023-12-02 13:52:05,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625142728] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:05,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:05,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:52:05,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662052742] [2023-12-02 13:52:05,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:05,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:52:05,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:05,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:52:05,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:52:05,474 INFO L87 Difference]: Start difference. First operand 3278 states and 6306 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:09,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:09,037 INFO L93 Difference]: Finished difference Result 5958 states and 11607 transitions. [2023-12-02 13:52:09,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-02 13:52:09,038 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:09,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:09,045 INFO L225 Difference]: With dead ends: 5958 [2023-12-02 13:52:09,045 INFO L226 Difference]: Without dead ends: 5958 [2023-12-02 13:52:09,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=698, Invalid=3724, Unknown=0, NotChecked=0, Total=4422 [2023-12-02 13:52:09,045 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 1230 mSDsluCounter, 3871 mSDsCounter, 0 mSdLazyCounter, 3477 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1230 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 3658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 3477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:09,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1230 Valid, 4168 Invalid, 3658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 3477 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:52:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5958 states. [2023-12-02 13:52:09,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5958 to 3282. [2023-12-02 13:52:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 3270 states have (on average 1.9308868501529053) internal successors, (6314), 3281 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 6314 transitions. [2023-12-02 13:52:09,102 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 6314 transitions. Word has length 163 [2023-12-02 13:52:09,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:09,102 INFO L495 AbstractCegarLoop]: Abstraction has 3282 states and 6314 transitions. [2023-12-02 13:52:09,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 6314 transitions. [2023-12-02 13:52:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:09,103 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:09,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:09,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-12-02 13:52:09,104 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:09,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:09,104 INFO L85 PathProgramCache]: Analyzing trace with hash -435530969, now seen corresponding path program 66 times [2023-12-02 13:52:09,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:09,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872429430] [2023-12-02 13:52:09,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:09,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:10,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:10,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872429430] [2023-12-02 13:52:10,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872429430] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:10,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:10,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:52:10,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837847771] [2023-12-02 13:52:10,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:10,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:52:10,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:10,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:52:10,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:52:10,577 INFO L87 Difference]: Start difference. First operand 3282 states and 6314 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:14,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:14,584 INFO L93 Difference]: Finished difference Result 6035 states and 11761 transitions. [2023-12-02 13:52:14,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 13:52:14,585 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:14,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:14,592 INFO L225 Difference]: With dead ends: 6035 [2023-12-02 13:52:14,593 INFO L226 Difference]: Without dead ends: 6035 [2023-12-02 13:52:14,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1218 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=772, Invalid=4484, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:52:14,593 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 1471 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 3974 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 4249 SdHoareTripleChecker+Invalid, 4149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 3974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:14,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 4249 Invalid, 4149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 3974 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:52:14,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6035 states. [2023-12-02 13:52:14,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6035 to 3276. [2023-12-02 13:52:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3276 states, 3264 states have (on average 1.9307598039215685) internal successors, (6302), 3275 states have internal predecessors, (6302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 6302 transitions. [2023-12-02 13:52:14,647 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 6302 transitions. Word has length 163 [2023-12-02 13:52:14,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:14,647 INFO L495 AbstractCegarLoop]: Abstraction has 3276 states and 6302 transitions. [2023-12-02 13:52:14,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 6302 transitions. [2023-12-02 13:52:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:14,649 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:14,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:14,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2023-12-02 13:52:14,649 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:14,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:14,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1071780755, now seen corresponding path program 67 times [2023-12-02 13:52:14,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:14,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671015102] [2023-12-02 13:52:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:16,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:16,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671015102] [2023-12-02 13:52:16,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671015102] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:16,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:16,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:52:16,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008434106] [2023-12-02 13:52:16,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:16,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:52:16,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:16,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:52:16,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:52:16,082 INFO L87 Difference]: Start difference. First operand 3276 states and 6302 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:19,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:19,190 INFO L93 Difference]: Finished difference Result 6012 states and 11715 transitions. [2023-12-02 13:52:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 13:52:19,191 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:19,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:19,198 INFO L225 Difference]: With dead ends: 6012 [2023-12-02 13:52:19,198 INFO L226 Difference]: Without dead ends: 6012 [2023-12-02 13:52:19,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1163 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=848, Invalid=4264, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:52:19,199 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 1668 mSDsluCounter, 2888 mSDsCounter, 0 mSdLazyCounter, 2608 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 3187 SdHoareTripleChecker+Invalid, 2905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 2608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:19,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1668 Valid, 3187 Invalid, 2905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 2608 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 13:52:19,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6012 states. [2023-12-02 13:52:19,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6012 to 3278. [2023-12-02 13:52:19,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3266 states have (on average 1.930802204531537) internal successors, (6306), 3277 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 6306 transitions. [2023-12-02 13:52:19,255 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 6306 transitions. Word has length 163 [2023-12-02 13:52:19,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:19,256 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 6306 transitions. [2023-12-02 13:52:19,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:19,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 6306 transitions. [2023-12-02 13:52:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:19,257 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:19,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:19,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2023-12-02 13:52:19,257 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:19,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:19,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1079511153, now seen corresponding path program 68 times [2023-12-02 13:52:19,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:19,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179375134] [2023-12-02 13:52:19,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:19,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:20,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:20,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:20,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179375134] [2023-12-02 13:52:20,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179375134] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:20,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:20,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:52:20,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511860055] [2023-12-02 13:52:20,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:20,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:52:20,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:20,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:52:20,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:52:20,782 INFO L87 Difference]: Start difference. First operand 3278 states and 6306 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:25,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:25,512 INFO L93 Difference]: Finished difference Result 6089 states and 11869 transitions. [2023-12-02 13:52:25,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 13:52:25,512 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:25,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:25,519 INFO L225 Difference]: With dead ends: 6089 [2023-12-02 13:52:25,519 INFO L226 Difference]: Without dead ends: 6089 [2023-12-02 13:52:25,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1368 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=911, Invalid=4941, Unknown=0, NotChecked=0, Total=5852 [2023-12-02 13:52:25,520 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 1233 mSDsluCounter, 4649 mSDsCounter, 0 mSdLazyCounter, 4676 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 4948 SdHoareTripleChecker+Invalid, 4858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 4676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:25,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 4948 Invalid, 4858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 4676 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 13:52:25,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6089 states. [2023-12-02 13:52:25,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6089 to 3274. [2023-12-02 13:52:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3274 states, 3262 states have (on average 1.9307173513182097) internal successors, (6298), 3273 states have internal predecessors, (6298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:25,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 6298 transitions. [2023-12-02 13:52:25,576 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 6298 transitions. Word has length 163 [2023-12-02 13:52:25,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:25,576 INFO L495 AbstractCegarLoop]: Abstraction has 3274 states and 6298 transitions. [2023-12-02 13:52:25,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 6298 transitions. [2023-12-02 13:52:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:25,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:25,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:25,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2023-12-02 13:52:25,578 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:25,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:25,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1040271443, now seen corresponding path program 69 times [2023-12-02 13:52:25,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:25,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219456786] [2023-12-02 13:52:25,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:25,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:27,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:27,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219456786] [2023-12-02 13:52:27,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219456786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:27,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:27,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:52:27,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118419834] [2023-12-02 13:52:27,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:27,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:52:27,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:27,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:52:27,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:52:27,051 INFO L87 Difference]: Start difference. First operand 3274 states and 6298 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:31,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:31,308 INFO L93 Difference]: Finished difference Result 6030 states and 11751 transitions. [2023-12-02 13:52:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-12-02 13:52:31,309 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:31,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:31,316 INFO L225 Difference]: With dead ends: 6030 [2023-12-02 13:52:31,316 INFO L226 Difference]: Without dead ends: 6030 [2023-12-02 13:52:31,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1243 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2023-12-02 13:52:31,317 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 1605 mSDsluCounter, 4681 mSDsCounter, 0 mSdLazyCounter, 4678 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 4967 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 4678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:31,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 4967 Invalid, 4883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 4678 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:52:31,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6030 states. [2023-12-02 13:52:31,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6030 to 3278. [2023-12-02 13:52:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3266 states have (on average 1.930802204531537) internal successors, (6306), 3277 states have internal predecessors, (6306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 6306 transitions. [2023-12-02 13:52:31,374 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 6306 transitions. Word has length 163 [2023-12-02 13:52:31,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:31,374 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 6306 transitions. [2023-12-02 13:52:31,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:31,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 6306 transitions. [2023-12-02 13:52:31,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:31,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:31,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:31,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2023-12-02 13:52:31,376 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:31,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:31,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1048001841, now seen corresponding path program 70 times [2023-12-02 13:52:31,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:31,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718669352] [2023-12-02 13:52:31,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:31,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:32,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:32,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718669352] [2023-12-02 13:52:32,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718669352] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:32,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:32,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:52:32,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895780642] [2023-12-02 13:52:32,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:32,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:52:32,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:32,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:52:32,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:52:32,884 INFO L87 Difference]: Start difference. First operand 3278 states and 6306 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:37,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:37,296 INFO L93 Difference]: Finished difference Result 6181 states and 12053 transitions. [2023-12-02 13:52:37,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 13:52:37,297 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:37,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:37,305 INFO L225 Difference]: With dead ends: 6181 [2023-12-02 13:52:37,305 INFO L226 Difference]: Without dead ends: 6181 [2023-12-02 13:52:37,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1336 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=868, Invalid=4832, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 13:52:37,306 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 1428 mSDsluCounter, 4020 mSDsCounter, 0 mSdLazyCounter, 4196 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 4319 SdHoareTripleChecker+Invalid, 4412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 4196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:37,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 4319 Invalid, 4412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 4196 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 13:52:37,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6181 states. [2023-12-02 13:52:37,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6181 to 3276. [2023-12-02 13:52:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3276 states, 3264 states have (on average 1.9307598039215685) internal successors, (6302), 3275 states have internal predecessors, (6302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 6302 transitions. [2023-12-02 13:52:37,360 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 6302 transitions. Word has length 163 [2023-12-02 13:52:37,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:37,360 INFO L495 AbstractCegarLoop]: Abstraction has 3276 states and 6302 transitions. [2023-12-02 13:52:37,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 6302 transitions. [2023-12-02 13:52:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:37,361 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:37,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:37,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2023-12-02 13:52:37,362 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:37,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:37,362 INFO L85 PathProgramCache]: Analyzing trace with hash 389369901, now seen corresponding path program 71 times [2023-12-02 13:52:37,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:37,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628817576] [2023-12-02 13:52:37,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:37,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:38,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:38,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628817576] [2023-12-02 13:52:38,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628817576] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:38,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:38,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:52:38,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904865100] [2023-12-02 13:52:38,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:38,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:52:38,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:38,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:52:38,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:52:38,854 INFO L87 Difference]: Start difference. First operand 3276 states and 6302 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:42,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:42,923 INFO L93 Difference]: Finished difference Result 6230 states and 12151 transitions. [2023-12-02 13:52:42,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 13:52:42,923 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:42,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:42,945 INFO L225 Difference]: With dead ends: 6230 [2023-12-02 13:52:42,945 INFO L226 Difference]: Without dead ends: 6230 [2023-12-02 13:52:42,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1338 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=862, Invalid=4838, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 13:52:42,946 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 1394 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 3755 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 3969 SdHoareTripleChecker+Invalid, 4047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 3755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:42,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 3969 Invalid, 4047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 3755 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:52:42,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6230 states. [2023-12-02 13:52:42,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6230 to 3272. [2023-12-02 13:52:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3272 states, 3260 states have (on average 1.9306748466257668) internal successors, (6294), 3271 states have internal predecessors, (6294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 3272 states and 6294 transitions. [2023-12-02 13:52:42,996 INFO L78 Accepts]: Start accepts. Automaton has 3272 states and 6294 transitions. Word has length 163 [2023-12-02 13:52:42,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:42,996 INFO L495 AbstractCegarLoop]: Abstraction has 3272 states and 6294 transitions. [2023-12-02 13:52:42,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 6294 transitions. [2023-12-02 13:52:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:42,998 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:42,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:42,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2023-12-02 13:52:42,998 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:42,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:42,999 INFO L85 PathProgramCache]: Analyzing trace with hash -504641969, now seen corresponding path program 72 times [2023-12-02 13:52:42,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:42,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817711402] [2023-12-02 13:52:42,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:42,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:44,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:44,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817711402] [2023-12-02 13:52:44,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817711402] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:44,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:44,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:52:44,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507920476] [2023-12-02 13:52:44,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:44,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:52:44,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:44,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:52:44,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:52:44,425 INFO L87 Difference]: Start difference. First operand 3272 states and 6294 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:48,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:48,008 INFO L93 Difference]: Finished difference Result 5946 states and 11583 transitions. [2023-12-02 13:52:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-02 13:52:48,009 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:48,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:48,015 INFO L225 Difference]: With dead ends: 5946 [2023-12-02 13:52:48,015 INFO L226 Difference]: Without dead ends: 5946 [2023-12-02 13:52:48,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1154 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=762, Invalid=4350, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:52:48,016 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 1655 mSDsluCounter, 3537 mSDsCounter, 0 mSdLazyCounter, 3538 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 3821 SdHoareTripleChecker+Invalid, 3757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 3538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:48,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1655 Valid, 3821 Invalid, 3757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 3538 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:52:48,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5946 states. [2023-12-02 13:52:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5946 to 3272. [2023-12-02 13:52:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3272 states, 3260 states have (on average 1.9306748466257668) internal successors, (6294), 3271 states have internal predecessors, (6294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 3272 states and 6294 transitions. [2023-12-02 13:52:48,066 INFO L78 Accepts]: Start accepts. Automaton has 3272 states and 6294 transitions. Word has length 163 [2023-12-02 13:52:48,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:48,066 INFO L495 AbstractCegarLoop]: Abstraction has 3272 states and 6294 transitions. [2023-12-02 13:52:48,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 6294 transitions. [2023-12-02 13:52:48,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:48,067 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:48,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:48,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2023-12-02 13:52:48,068 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:48,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:48,068 INFO L85 PathProgramCache]: Analyzing trace with hash -512372367, now seen corresponding path program 73 times [2023-12-02 13:52:48,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:48,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322797985] [2023-12-02 13:52:48,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:48,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:49,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:49,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322797985] [2023-12-02 13:52:49,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322797985] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:49,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:49,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:52:49,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102715760] [2023-12-02 13:52:49,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:49,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:52:49,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:49,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:52:49,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:52:49,537 INFO L87 Difference]: Start difference. First operand 3272 states and 6294 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:53,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:53,893 INFO L93 Difference]: Finished difference Result 6097 states and 11885 transitions. [2023-12-02 13:52:53,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-02 13:52:53,893 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:53,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:53,900 INFO L225 Difference]: With dead ends: 6097 [2023-12-02 13:52:53,900 INFO L226 Difference]: Without dead ends: 6097 [2023-12-02 13:52:53,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1303 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=831, Invalid=4719, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:52:53,901 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 1185 mSDsluCounter, 4816 mSDsCounter, 0 mSdLazyCounter, 4933 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 5113 SdHoareTripleChecker+Invalid, 5115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 4933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:53,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 5113 Invalid, 5115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 4933 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:52:53,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6097 states. [2023-12-02 13:52:53,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6097 to 3270. [2023-12-02 13:52:53,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3270 states, 3258 states have (on average 1.930632289748312) internal successors, (6290), 3269 states have internal predecessors, (6290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 3270 states and 6290 transitions. [2023-12-02 13:52:53,955 INFO L78 Accepts]: Start accepts. Automaton has 3270 states and 6290 transitions. Word has length 163 [2023-12-02 13:52:53,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:53,955 INFO L495 AbstractCegarLoop]: Abstraction has 3270 states and 6290 transitions. [2023-12-02 13:52:53,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 6290 transitions. [2023-12-02 13:52:53,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:53,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:53,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:53,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2023-12-02 13:52:53,959 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:53,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:53,959 INFO L85 PathProgramCache]: Analyzing trace with hash 924999375, now seen corresponding path program 74 times [2023-12-02 13:52:53,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:53,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891831949] [2023-12-02 13:52:53,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:53,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:52:55,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:55,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891831949] [2023-12-02 13:52:55,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891831949] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:52:55,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:52:55,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:52:55,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421607537] [2023-12-02 13:52:55,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:52:55,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:52:55,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:55,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:52:55,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:52:55,408 INFO L87 Difference]: Start difference. First operand 3270 states and 6290 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:59,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:59,387 INFO L93 Difference]: Finished difference Result 6164 states and 12019 transitions. [2023-12-02 13:52:59,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 13:52:59,388 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:52:59,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:59,396 INFO L225 Difference]: With dead ends: 6164 [2023-12-02 13:52:59,396 INFO L226 Difference]: Without dead ends: 6164 [2023-12-02 13:52:59,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1194 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=807, Invalid=4305, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:52:59,397 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 1215 mSDsluCounter, 3903 mSDsCounter, 0 mSdLazyCounter, 3909 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 4128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 3909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:59,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 4218 Invalid, 4128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 3909 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:52:59,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6164 states. [2023-12-02 13:52:59,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6164 to 3268. [2023-12-02 13:52:59,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3268 states, 3256 states have (on average 1.9305896805896805) internal successors, (6286), 3267 states have internal predecessors, (6286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 3268 states and 6286 transitions. [2023-12-02 13:52:59,456 INFO L78 Accepts]: Start accepts. Automaton has 3268 states and 6286 transitions. Word has length 163 [2023-12-02 13:52:59,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:59,456 INFO L495 AbstractCegarLoop]: Abstraction has 3268 states and 6286 transitions. [2023-12-02 13:52:59,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:52:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3268 states and 6286 transitions. [2023-12-02 13:52:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:52:59,458 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:59,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:59,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2023-12-02 13:52:59,458 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:52:59,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:59,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1337407089, now seen corresponding path program 75 times [2023-12-02 13:52:59,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:52:59,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003433329] [2023-12-02 13:52:59,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:59,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:52:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:00,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:00,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003433329] [2023-12-02 13:53:00,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003433329] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:00,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:00,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:53:00,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764705918] [2023-12-02 13:53:00,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:00,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:53:00,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:00,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:53:00,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:53:00,859 INFO L87 Difference]: Start difference. First operand 3268 states and 6286 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:04,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:04,510 INFO L93 Difference]: Finished difference Result 6196 states and 12083 transitions. [2023-12-02 13:53:04,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-02 13:53:04,511 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:53:04,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:04,519 INFO L225 Difference]: With dead ends: 6196 [2023-12-02 13:53:04,519 INFO L226 Difference]: Without dead ends: 6196 [2023-12-02 13:53:04,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1198 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=802, Invalid=4310, Unknown=0, NotChecked=0, Total=5112 [2023-12-02 13:53:04,520 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1220 mSDsluCounter, 3867 mSDsCounter, 0 mSdLazyCounter, 3916 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 4185 SdHoareTripleChecker+Invalid, 4157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 3916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:04,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 4185 Invalid, 4157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 3916 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:53:04,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6196 states. [2023-12-02 13:53:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6196 to 3239. [2023-12-02 13:53:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3239 states, 3227 states have (on average 1.9299659126123334) internal successors, (6228), 3238 states have internal predecessors, (6228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 3239 states and 6228 transitions. [2023-12-02 13:53:04,597 INFO L78 Accepts]: Start accepts. Automaton has 3239 states and 6228 transitions. Word has length 163 [2023-12-02 13:53:04,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:04,597 INFO L495 AbstractCegarLoop]: Abstraction has 3239 states and 6228 transitions. [2023-12-02 13:53:04,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 6228 transitions. [2023-12-02 13:53:04,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:53:04,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:04,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:04,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2023-12-02 13:53:04,599 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:53:04,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:04,600 INFO L85 PathProgramCache]: Analyzing trace with hash 219256363, now seen corresponding path program 9 times [2023-12-02 13:53:04,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:04,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615068522] [2023-12-02 13:53:04,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:04,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:06,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:06,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:06,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615068522] [2023-12-02 13:53:06,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615068522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:06,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:06,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:53:06,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689419955] [2023-12-02 13:53:06,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:06,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:53:06,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:06,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:53:06,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:53:06,254 INFO L87 Difference]: Start difference. First operand 3239 states and 6228 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:09,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:09,528 INFO L93 Difference]: Finished difference Result 5162 states and 9996 transitions. [2023-12-02 13:53:09,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 13:53:09,528 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:53:09,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:09,535 INFO L225 Difference]: With dead ends: 5162 [2023-12-02 13:53:09,535 INFO L226 Difference]: Without dead ends: 5162 [2023-12-02 13:53:09,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1506 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=813, Invalid=4737, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:53:09,535 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1722 mSDsluCounter, 2984 mSDsCounter, 0 mSdLazyCounter, 2540 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1722 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:09,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1722 Valid, 3248 Invalid, 2603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2540 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 13:53:09,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states. [2023-12-02 13:53:09,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 3347. [2023-12-02 13:53:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3347 states, 3335 states have (on average 1.9322338830584707) internal successors, (6444), 3346 states have internal predecessors, (6444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 3347 states and 6444 transitions. [2023-12-02 13:53:09,586 INFO L78 Accepts]: Start accepts. Automaton has 3347 states and 6444 transitions. Word has length 163 [2023-12-02 13:53:09,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:09,586 INFO L495 AbstractCegarLoop]: Abstraction has 3347 states and 6444 transitions. [2023-12-02 13:53:09,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3347 states and 6444 transitions. [2023-12-02 13:53:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:53:09,588 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:09,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:09,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2023-12-02 13:53:09,588 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:53:09,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:09,588 INFO L85 PathProgramCache]: Analyzing trace with hash 260356565, now seen corresponding path program 10 times [2023-12-02 13:53:09,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:09,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943978634] [2023-12-02 13:53:09,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:11,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:11,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943978634] [2023-12-02 13:53:11,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943978634] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:11,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:11,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:53:11,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401471720] [2023-12-02 13:53:11,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:11,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:53:11,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:11,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:53:11,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:53:11,386 INFO L87 Difference]: Start difference. First operand 3347 states and 6444 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:15,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:15,659 INFO L93 Difference]: Finished difference Result 5211 states and 10092 transitions. [2023-12-02 13:53:15,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-12-02 13:53:15,659 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:53:15,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:15,666 INFO L225 Difference]: With dead ends: 5211 [2023-12-02 13:53:15,666 INFO L226 Difference]: Without dead ends: 5211 [2023-12-02 13:53:15,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2013 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=944, Invalid=6028, Unknown=0, NotChecked=0, Total=6972 [2023-12-02 13:53:15,667 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 1302 mSDsluCounter, 4289 mSDsCounter, 0 mSdLazyCounter, 4217 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 4548 SdHoareTripleChecker+Invalid, 4278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 4217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:15,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 4548 Invalid, 4278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 4217 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:53:15,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5211 states. [2023-12-02 13:53:15,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5211 to 3358. [2023-12-02 13:53:15,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3358 states, 3346 states have (on average 1.9324566646742378) internal successors, (6466), 3357 states have internal predecessors, (6466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:15,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 6466 transitions. [2023-12-02 13:53:15,725 INFO L78 Accepts]: Start accepts. Automaton has 3358 states and 6466 transitions. Word has length 163 [2023-12-02 13:53:15,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:15,725 INFO L495 AbstractCegarLoop]: Abstraction has 3358 states and 6466 transitions. [2023-12-02 13:53:15,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:15,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3358 states and 6466 transitions. [2023-12-02 13:53:15,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:53:15,727 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:15,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:15,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2023-12-02 13:53:15,727 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:53:15,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:15,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1337948361, now seen corresponding path program 11 times [2023-12-02 13:53:15,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:15,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86083121] [2023-12-02 13:53:15,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:15,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:17,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:17,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86083121] [2023-12-02 13:53:17,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86083121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:17,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:17,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:53:17,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382947987] [2023-12-02 13:53:17,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:17,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:53:17,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:17,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:53:17,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:53:17,465 INFO L87 Difference]: Start difference. First operand 3358 states and 6466 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:21,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:21,659 INFO L93 Difference]: Finished difference Result 5260 states and 10188 transitions. [2023-12-02 13:53:21,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 13:53:21,660 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:53:21,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:21,666 INFO L225 Difference]: With dead ends: 5260 [2023-12-02 13:53:21,666 INFO L226 Difference]: Without dead ends: 5260 [2023-12-02 13:53:21,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2407 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1089, Invalid=6921, Unknown=0, NotChecked=0, Total=8010 [2023-12-02 13:53:21,667 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 1683 mSDsluCounter, 3841 mSDsCounter, 0 mSdLazyCounter, 3821 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 4108 SdHoareTripleChecker+Invalid, 3900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 3821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:21,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 4108 Invalid, 3900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 3821 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:53:21,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5260 states. [2023-12-02 13:53:21,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5260 to 3369. [2023-12-02 13:53:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3369 states, 3357 states have (on average 1.9326779862972892) internal successors, (6488), 3368 states have internal predecessors, (6488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 6488 transitions. [2023-12-02 13:53:21,719 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 6488 transitions. Word has length 163 [2023-12-02 13:53:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:21,719 INFO L495 AbstractCegarLoop]: Abstraction has 3369 states and 6488 transitions. [2023-12-02 13:53:21,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 6488 transitions. [2023-12-02 13:53:21,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:53:21,721 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:21,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:21,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2023-12-02 13:53:21,722 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:53:21,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:21,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1413425481, now seen corresponding path program 12 times [2023-12-02 13:53:21,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:21,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169053662] [2023-12-02 13:53:21,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:21,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:24,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:24,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169053662] [2023-12-02 13:53:24,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169053662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:24,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:24,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:53:24,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942064024] [2023-12-02 13:53:24,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:24,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:53:24,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:24,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:53:24,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:53:24,085 INFO L87 Difference]: Start difference. First operand 3369 states and 6488 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:31,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:31,192 INFO L93 Difference]: Finished difference Result 5455 states and 10575 transitions. [2023-12-02 13:53:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-12-02 13:53:31,193 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:53:31,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:31,199 INFO L225 Difference]: With dead ends: 5455 [2023-12-02 13:53:31,199 INFO L226 Difference]: Without dead ends: 5455 [2023-12-02 13:53:31,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3788 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1605, Invalid=9951, Unknown=0, NotChecked=0, Total=11556 [2023-12-02 13:53:31,201 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 1376 mSDsluCounter, 5513 mSDsCounter, 0 mSdLazyCounter, 5795 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 5858 SdHoareTripleChecker+Invalid, 5872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 5795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:31,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 5858 Invalid, 5872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 5795 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 13:53:31,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5455 states. [2023-12-02 13:53:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5455 to 3380. [2023-12-02 13:53:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 3368 states have (on average 1.932897862232779) internal successors, (6510), 3379 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 6510 transitions. [2023-12-02 13:53:31,263 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 6510 transitions. Word has length 163 [2023-12-02 13:53:31,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:31,263 INFO L495 AbstractCegarLoop]: Abstraction has 3380 states and 6510 transitions. [2023-12-02 13:53:31,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 6510 transitions. [2023-12-02 13:53:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:53:31,265 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:31,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:31,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2023-12-02 13:53:31,265 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:53:31,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:31,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1698876233, now seen corresponding path program 76 times [2023-12-02 13:53:31,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:31,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343908618] [2023-12-02 13:53:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:31,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:32,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:32,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:32,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343908618] [2023-12-02 13:53:32,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343908618] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:32,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:32,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:53:32,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725756308] [2023-12-02 13:53:32,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:32,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:53:32,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:32,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:53:32,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:53:32,686 INFO L87 Difference]: Start difference. First operand 3380 states and 6510 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:37,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:37,291 INFO L93 Difference]: Finished difference Result 5047 states and 9809 transitions. [2023-12-02 13:53:37,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-12-02 13:53:37,292 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:53:37,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:37,298 INFO L225 Difference]: With dead ends: 5047 [2023-12-02 13:53:37,298 INFO L226 Difference]: Without dead ends: 5047 [2023-12-02 13:53:37,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1771 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=795, Invalid=5847, Unknown=0, NotChecked=0, Total=6642 [2023-12-02 13:53:37,298 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 1459 mSDsluCounter, 4987 mSDsCounter, 0 mSdLazyCounter, 5127 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 5290 SdHoareTripleChecker+Invalid, 5195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 5127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:37,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 5290 Invalid, 5195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 5127 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-02 13:53:37,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5047 states. [2023-12-02 13:53:37,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5047 to 3375. [2023-12-02 13:53:37,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3375 states, 3363 states have (on average 1.9339875111507583) internal successors, (6504), 3374 states have internal predecessors, (6504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 6504 transitions. [2023-12-02 13:53:37,352 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 6504 transitions. Word has length 163 [2023-12-02 13:53:37,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:37,352 INFO L495 AbstractCegarLoop]: Abstraction has 3375 states and 6504 transitions. [2023-12-02 13:53:37,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 6504 transitions. [2023-12-02 13:53:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:53:37,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:37,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:37,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2023-12-02 13:53:37,355 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:53:37,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:37,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1212875941, now seen corresponding path program 13 times [2023-12-02 13:53:37,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:37,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133914248] [2023-12-02 13:53:37,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:37,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:38,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:38,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133914248] [2023-12-02 13:53:38,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133914248] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:38,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:38,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:53:38,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405832933] [2023-12-02 13:53:38,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:38,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:53:38,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:38,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:53:38,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:53:38,745 INFO L87 Difference]: Start difference. First operand 3375 states and 6504 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:43,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:43,125 INFO L93 Difference]: Finished difference Result 4832 states and 9381 transitions. [2023-12-02 13:53:43,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-12-02 13:53:43,126 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:53:43,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:43,132 INFO L225 Difference]: With dead ends: 4832 [2023-12-02 13:53:43,132 INFO L226 Difference]: Without dead ends: 4832 [2023-12-02 13:53:43,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3036 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1181, Invalid=8919, Unknown=0, NotChecked=0, Total=10100 [2023-12-02 13:53:43,133 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 1289 mSDsluCounter, 4577 mSDsCounter, 0 mSdLazyCounter, 4919 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 4930 SdHoareTripleChecker+Invalid, 4977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 4919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:43,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 4930 Invalid, 4977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 4919 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:53:43,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2023-12-02 13:53:43,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 3267. [2023-12-02 13:53:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3267 states, 3255 states have (on average 1.930568356374808) internal successors, (6284), 3266 states have internal predecessors, (6284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:43,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 3267 states and 6284 transitions. [2023-12-02 13:53:43,184 INFO L78 Accepts]: Start accepts. Automaton has 3267 states and 6284 transitions. Word has length 163 [2023-12-02 13:53:43,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:43,184 INFO L495 AbstractCegarLoop]: Abstraction has 3267 states and 6284 transitions. [2023-12-02 13:53:43,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 6284 transitions. [2023-12-02 13:53:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:53:43,186 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:43,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:43,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2023-12-02 13:53:43,186 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:53:43,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:43,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1420113591, now seen corresponding path program 77 times [2023-12-02 13:53:43,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:43,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604684715] [2023-12-02 13:53:43,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:43,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:44,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:44,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:44,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604684715] [2023-12-02 13:53:44,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604684715] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:44,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:44,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:53:44,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247412016] [2023-12-02 13:53:44,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:44,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:53:44,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:44,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:53:44,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:53:44,582 INFO L87 Difference]: Start difference. First operand 3267 states and 6284 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:48,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:48,461 INFO L93 Difference]: Finished difference Result 5694 states and 11106 transitions. [2023-12-02 13:53:48,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 13:53:48,461 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:53:48,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:48,468 INFO L225 Difference]: With dead ends: 5694 [2023-12-02 13:53:48,468 INFO L226 Difference]: Without dead ends: 5694 [2023-12-02 13:53:48,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2142 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=883, Invalid=6773, Unknown=0, NotChecked=0, Total=7656 [2023-12-02 13:53:48,469 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 1575 mSDsluCounter, 4475 mSDsCounter, 0 mSdLazyCounter, 4074 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 4816 SdHoareTripleChecker+Invalid, 4174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 4074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:48,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1575 Valid, 4816 Invalid, 4174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 4074 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:53:48,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5694 states. [2023-12-02 13:53:48,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5694 to 3347. [2023-12-02 13:53:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3347 states, 3335 states have (on average 1.9334332833583208) internal successors, (6448), 3346 states have internal predecessors, (6448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 3347 states and 6448 transitions. [2023-12-02 13:53:48,522 INFO L78 Accepts]: Start accepts. Automaton has 3347 states and 6448 transitions. Word has length 163 [2023-12-02 13:53:48,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:48,522 INFO L495 AbstractCegarLoop]: Abstraction has 3347 states and 6448 transitions. [2023-12-02 13:53:48,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:48,522 INFO L276 IsEmpty]: Start isEmpty. Operand 3347 states and 6448 transitions. [2023-12-02 13:53:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:53:48,523 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:48,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:48,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2023-12-02 13:53:48,524 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:53:48,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:48,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1906113883, now seen corresponding path program 14 times [2023-12-02 13:53:48,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:48,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179427071] [2023-12-02 13:53:48,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:48,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:49,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:49,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179427071] [2023-12-02 13:53:49,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179427071] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:49,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:49,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:53:49,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294373071] [2023-12-02 13:53:49,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:49,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:53:49,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:49,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:53:49,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:53:49,991 INFO L87 Difference]: Start difference. First operand 3347 states and 6448 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:55,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:55,777 INFO L93 Difference]: Finished difference Result 5336 states and 10392 transitions. [2023-12-02 13:53:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-12-02 13:53:55,778 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:53:55,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:55,784 INFO L225 Difference]: With dead ends: 5336 [2023-12-02 13:53:55,784 INFO L226 Difference]: Without dead ends: 5336 [2023-12-02 13:53:55,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4634 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1488, Invalid=12792, Unknown=0, NotChecked=0, Total=14280 [2023-12-02 13:53:55,785 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 1548 mSDsluCounter, 5755 mSDsCounter, 0 mSdLazyCounter, 6388 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 6161 SdHoareTripleChecker+Invalid, 6440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 6388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:55,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1548 Valid, 6161 Invalid, 6440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 6388 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 13:53:55,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5336 states. [2023-12-02 13:53:55,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5336 to 3305. [2023-12-02 13:53:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 3293 states have (on average 1.93136957181901) internal successors, (6360), 3304 states have internal predecessors, (6360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:55,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 6360 transitions. [2023-12-02 13:53:55,836 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 6360 transitions. Word has length 163 [2023-12-02 13:53:55,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:55,837 INFO L495 AbstractCegarLoop]: Abstraction has 3305 states and 6360 transitions. [2023-12-02 13:53:55,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:53:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 6360 transitions. [2023-12-02 13:53:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:53:55,838 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:55,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:55,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2023-12-02 13:53:55,839 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:53:55,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:55,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1044042099, now seen corresponding path program 78 times [2023-12-02 13:53:55,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:55,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418747083] [2023-12-02 13:53:55,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:55,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:53:57,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:57,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418747083] [2023-12-02 13:53:57,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418747083] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:53:57,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:53:57,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:53:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383850734] [2023-12-02 13:53:57,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:53:57,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:53:57,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:57,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:53:57,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:53:57,410 INFO L87 Difference]: Start difference. First operand 3305 states and 6360 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:01,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:01,669 INFO L93 Difference]: Finished difference Result 5416 states and 10547 transitions. [2023-12-02 13:54:01,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 13:54:01,669 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:54:01,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:01,676 INFO L225 Difference]: With dead ends: 5416 [2023-12-02 13:54:01,676 INFO L226 Difference]: Without dead ends: 5416 [2023-12-02 13:54:01,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1991 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=836, Invalid=6474, Unknown=0, NotChecked=0, Total=7310 [2023-12-02 13:54:01,677 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 1443 mSDsluCounter, 4662 mSDsCounter, 0 mSdLazyCounter, 4462 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 4996 SdHoareTripleChecker+Invalid, 4559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:01,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 4996 Invalid, 4559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4462 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 13:54:01,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2023-12-02 13:54:01,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 3305. [2023-12-02 13:54:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 3293 states have (on average 1.93136957181901) internal successors, (6360), 3304 states have internal predecessors, (6360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 6360 transitions. [2023-12-02 13:54:01,733 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 6360 transitions. Word has length 163 [2023-12-02 13:54:01,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:01,733 INFO L495 AbstractCegarLoop]: Abstraction has 3305 states and 6360 transitions. [2023-12-02 13:54:01,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 6360 transitions. [2023-12-02 13:54:01,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:54:01,735 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:01,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:01,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2023-12-02 13:54:01,735 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:54:01,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1051772497, now seen corresponding path program 79 times [2023-12-02 13:54:01,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:01,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980187906] [2023-12-02 13:54:01,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:01,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:03,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:03,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980187906] [2023-12-02 13:54:03,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980187906] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:03,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:03,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:54:03,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806182266] [2023-12-02 13:54:03,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:03,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:54:03,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:03,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:54:03,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:54:03,299 INFO L87 Difference]: Start difference. First operand 3305 states and 6360 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:08,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:08,247 INFO L93 Difference]: Finished difference Result 5498 states and 10711 transitions. [2023-12-02 13:54:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 13:54:08,247 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:54:08,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:08,254 INFO L225 Difference]: With dead ends: 5498 [2023-12-02 13:54:08,255 INFO L226 Difference]: Without dead ends: 5498 [2023-12-02 13:54:08,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2182 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=884, Invalid=6948, Unknown=0, NotChecked=0, Total=7832 [2023-12-02 13:54:08,256 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 1377 mSDsluCounter, 5438 mSDsCounter, 0 mSdLazyCounter, 5413 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1377 SdHoareTripleChecker+Valid, 5778 SdHoareTripleChecker+Invalid, 5508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 5413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:08,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1377 Valid, 5778 Invalid, 5508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 5413 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 13:54:08,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5498 states. [2023-12-02 13:54:08,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5498 to 3303. [2023-12-02 13:54:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3303 states, 3291 states have (on average 1.9313278638711637) internal successors, (6356), 3302 states have internal predecessors, (6356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 3303 states and 6356 transitions. [2023-12-02 13:54:08,309 INFO L78 Accepts]: Start accepts. Automaton has 3303 states and 6356 transitions. Word has length 163 [2023-12-02 13:54:08,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:08,309 INFO L495 AbstractCegarLoop]: Abstraction has 3303 states and 6356 transitions. [2023-12-02 13:54:08,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 6356 transitions. [2023-12-02 13:54:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:54:08,311 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:08,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:08,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2023-12-02 13:54:08,311 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:54:08,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:08,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1163900971, now seen corresponding path program 80 times [2023-12-02 13:54:08,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:08,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815565828] [2023-12-02 13:54:08,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:08,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:09,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:09,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:09,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815565828] [2023-12-02 13:54:09,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815565828] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:09,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:09,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:54:09,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875574332] [2023-12-02 13:54:09,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:09,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:54:09,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:09,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:54:09,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:54:09,815 INFO L87 Difference]: Start difference. First operand 3303 states and 6356 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:14,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:14,367 INFO L93 Difference]: Finished difference Result 5531 states and 10777 transitions. [2023-12-02 13:54:14,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 13:54:14,367 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:54:14,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:14,373 INFO L225 Difference]: With dead ends: 5531 [2023-12-02 13:54:14,373 INFO L226 Difference]: Without dead ends: 5531 [2023-12-02 13:54:14,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2191 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=874, Invalid=6958, Unknown=0, NotChecked=0, Total=7832 [2023-12-02 13:54:14,374 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 1363 mSDsluCounter, 4442 mSDsCounter, 0 mSdLazyCounter, 4387 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 4774 SdHoareTripleChecker+Invalid, 4477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 4387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:14,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 4774 Invalid, 4477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 4387 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 13:54:14,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5531 states. [2023-12-02 13:54:14,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5531 to 3301. [2023-12-02 13:54:14,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3301 states, 3289 states have (on average 1.9312861051991488) internal successors, (6352), 3300 states have internal predecessors, (6352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 6352 transitions. [2023-12-02 13:54:14,424 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 6352 transitions. Word has length 163 [2023-12-02 13:54:14,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:14,424 INFO L495 AbstractCegarLoop]: Abstraction has 3301 states and 6352 transitions. [2023-12-02 13:54:14,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 6352 transitions. [2023-12-02 13:54:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:54:14,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:14,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:14,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2023-12-02 13:54:14,426 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:54:14,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:14,426 INFO L85 PathProgramCache]: Analyzing trace with hash 421824249, now seen corresponding path program 81 times [2023-12-02 13:54:14,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:14,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185174147] [2023-12-02 13:54:14,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:14,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:15,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:15,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:15,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185174147] [2023-12-02 13:54:15,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185174147] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:15,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:15,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:54:15,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482012572] [2023-12-02 13:54:15,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:15,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:54:15,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:15,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:54:15,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:54:15,918 INFO L87 Difference]: Start difference. First operand 3301 states and 6352 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:20,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:20,102 INFO L93 Difference]: Finished difference Result 5490 states and 10695 transitions. [2023-12-02 13:54:20,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 13:54:20,103 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:54:20,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:20,110 INFO L225 Difference]: With dead ends: 5490 [2023-12-02 13:54:20,110 INFO L226 Difference]: Without dead ends: 5490 [2023-12-02 13:54:20,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2198 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=866, Invalid=6966, Unknown=0, NotChecked=0, Total=7832 [2023-12-02 13:54:20,111 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 1406 mSDsluCounter, 4590 mSDsCounter, 0 mSdLazyCounter, 4499 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 4920 SdHoareTripleChecker+Invalid, 4629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 4499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:20,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 4920 Invalid, 4629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 4499 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:54:20,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5490 states. [2023-12-02 13:54:20,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5490 to 3251. [2023-12-02 13:54:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 3239 states have (on average 1.930225378203149) internal successors, (6252), 3250 states have internal predecessors, (6252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:20,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 6252 transitions. [2023-12-02 13:54:20,166 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 6252 transitions. Word has length 163 [2023-12-02 13:54:20,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:20,166 INFO L495 AbstractCegarLoop]: Abstraction has 3251 states and 6252 transitions. [2023-12-02 13:54:20,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:20,167 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 6252 transitions. [2023-12-02 13:54:20,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:54:20,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:20,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:20,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2023-12-02 13:54:20,169 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:54:20,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:20,169 INFO L85 PathProgramCache]: Analyzing trace with hash -688641753, now seen corresponding path program 82 times [2023-12-02 13:54:20,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:20,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579521638] [2023-12-02 13:54:20,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:20,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:21,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:21,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579521638] [2023-12-02 13:54:21,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579521638] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:21,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:21,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:54:21,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741466677] [2023-12-02 13:54:21,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:21,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:54:21,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:21,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:54:21,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:54:21,567 INFO L87 Difference]: Start difference. First operand 3251 states and 6252 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:26,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:26,102 INFO L93 Difference]: Finished difference Result 6943 states and 13570 transitions. [2023-12-02 13:54:26,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-12-02 13:54:26,102 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:54:26,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:26,111 INFO L225 Difference]: With dead ends: 6943 [2023-12-02 13:54:26,112 INFO L226 Difference]: Without dead ends: 6943 [2023-12-02 13:54:26,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2638 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1058, Invalid=7872, Unknown=0, NotChecked=0, Total=8930 [2023-12-02 13:54:26,113 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 1630 mSDsluCounter, 4728 mSDsCounter, 0 mSdLazyCounter, 4286 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 5121 SdHoareTripleChecker+Invalid, 4395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 4286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:26,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 5121 Invalid, 4395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 4286 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:54:26,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6943 states. [2023-12-02 13:54:26,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6943 to 3339. [2023-12-02 13:54:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3339 states, 3327 states have (on average 1.933273219116321) internal successors, (6432), 3338 states have internal predecessors, (6432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 3339 states and 6432 transitions. [2023-12-02 13:54:26,179 INFO L78 Accepts]: Start accepts. Automaton has 3339 states and 6432 transitions. Word has length 163 [2023-12-02 13:54:26,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:26,180 INFO L495 AbstractCegarLoop]: Abstraction has 3339 states and 6432 transitions. [2023-12-02 13:54:26,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 6432 transitions. [2023-12-02 13:54:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:54:26,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:26,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:26,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2023-12-02 13:54:26,182 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:54:26,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:26,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1174642045, now seen corresponding path program 15 times [2023-12-02 13:54:26,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:26,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443999548] [2023-12-02 13:54:26,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:26,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:27,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:27,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443999548] [2023-12-02 13:54:27,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443999548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:27,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:27,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:54:27,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613207253] [2023-12-02 13:54:27,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:27,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:54:27,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:27,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:54:27,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:54:27,572 INFO L87 Difference]: Start difference. First operand 3339 states and 6432 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:33,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:33,046 INFO L93 Difference]: Finished difference Result 6328 states and 12350 transitions. [2023-12-02 13:54:33,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-12-02 13:54:33,046 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:54:33,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:33,054 INFO L225 Difference]: With dead ends: 6328 [2023-12-02 13:54:33,054 INFO L226 Difference]: Without dead ends: 6328 [2023-12-02 13:54:33,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3721 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1282, Invalid=10490, Unknown=0, NotChecked=0, Total=11772 [2023-12-02 13:54:33,055 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 1389 mSDsluCounter, 6453 mSDsCounter, 0 mSdLazyCounter, 6261 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1389 SdHoareTripleChecker+Valid, 6918 SdHoareTripleChecker+Invalid, 6319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 6261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:33,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1389 Valid, 6918 Invalid, 6319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 6261 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-02 13:54:33,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6328 states. [2023-12-02 13:54:33,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6328 to 3303. [2023-12-02 13:54:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3303 states, 3291 states have (on average 1.9313278638711637) internal successors, (6356), 3302 states have internal predecessors, (6356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 3303 states and 6356 transitions. [2023-12-02 13:54:33,113 INFO L78 Accepts]: Start accepts. Automaton has 3303 states and 6356 transitions. Word has length 163 [2023-12-02 13:54:33,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:33,113 INFO L495 AbstractCegarLoop]: Abstraction has 3303 states and 6356 transitions. [2023-12-02 13:54:33,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:33,114 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 6356 transitions. [2023-12-02 13:54:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:54:33,115 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:33,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:33,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2023-12-02 13:54:33,115 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:54:33,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:33,116 INFO L85 PathProgramCache]: Analyzing trace with hash -312570261, now seen corresponding path program 83 times [2023-12-02 13:54:33,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:33,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148816803] [2023-12-02 13:54:33,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:33,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:34,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:34,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148816803] [2023-12-02 13:54:34,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148816803] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:34,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:34,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:54:34,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098118918] [2023-12-02 13:54:34,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:34,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:54:34,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:34,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:54:34,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:54:34,543 INFO L87 Difference]: Start difference. First operand 3303 states and 6356 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:39,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:39,173 INFO L93 Difference]: Finished difference Result 7198 states and 14080 transitions. [2023-12-02 13:54:39,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-12-02 13:54:39,173 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:54:39,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:39,181 INFO L225 Difference]: With dead ends: 7198 [2023-12-02 13:54:39,181 INFO L226 Difference]: Without dead ends: 7198 [2023-12-02 13:54:39,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2414 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1033, Invalid=7339, Unknown=0, NotChecked=0, Total=8372 [2023-12-02 13:54:39,182 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 1628 mSDsluCounter, 5265 mSDsCounter, 0 mSdLazyCounter, 4501 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 5680 SdHoareTripleChecker+Invalid, 4570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 4501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:39,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1628 Valid, 5680 Invalid, 4570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 4501 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 13:54:39,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7198 states. [2023-12-02 13:54:39,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7198 to 3309. [2023-12-02 13:54:39,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3309 states, 3297 states have (on average 1.9314528359114347) internal successors, (6368), 3308 states have internal predecessors, (6368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 6368 transitions. [2023-12-02 13:54:39,245 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 6368 transitions. Word has length 163 [2023-12-02 13:54:39,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:39,245 INFO L495 AbstractCegarLoop]: Abstraction has 3309 states and 6368 transitions. [2023-12-02 13:54:39,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:39,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 6368 transitions. [2023-12-02 13:54:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:54:39,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:39,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:39,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2023-12-02 13:54:39,247 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:54:39,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:39,247 INFO L85 PathProgramCache]: Analyzing trace with hash -320300659, now seen corresponding path program 84 times [2023-12-02 13:54:39,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:39,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681410458] [2023-12-02 13:54:39,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:39,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:40,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:40,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681410458] [2023-12-02 13:54:40,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681410458] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:40,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:40,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:54:40,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716788426] [2023-12-02 13:54:40,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:40,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:54:40,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:40,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:54:40,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:54:40,704 INFO L87 Difference]: Start difference. First operand 3309 states and 6368 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:45,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:45,681 INFO L93 Difference]: Finished difference Result 7280 states and 14244 transitions. [2023-12-02 13:54:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-12-02 13:54:45,682 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:54:45,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:45,691 INFO L225 Difference]: With dead ends: 7280 [2023-12-02 13:54:45,692 INFO L226 Difference]: Without dead ends: 7280 [2023-12-02 13:54:45,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2548 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1071, Invalid=7671, Unknown=0, NotChecked=0, Total=8742 [2023-12-02 13:54:45,693 INFO L413 NwaCegarLoop]: 421 mSDtfsCounter, 1668 mSDsluCounter, 5681 mSDsCounter, 0 mSdLazyCounter, 4866 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 6102 SdHoareTripleChecker+Invalid, 4964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 4866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:45,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1668 Valid, 6102 Invalid, 4964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 4866 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 13:54:45,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7280 states. [2023-12-02 13:54:45,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7280 to 3307. [2023-12-02 13:54:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3307 states, 3295 states have (on average 1.9314112291350531) internal successors, (6364), 3306 states have internal predecessors, (6364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 6364 transitions. [2023-12-02 13:54:45,776 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 6364 transitions. Word has length 163 [2023-12-02 13:54:45,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:45,776 INFO L495 AbstractCegarLoop]: Abstraction has 3307 states and 6364 transitions. [2023-12-02 13:54:45,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 6364 transitions. [2023-12-02 13:54:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:54:45,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:45,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:45,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2023-12-02 13:54:45,778 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:54:45,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:45,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1895372809, now seen corresponding path program 85 times [2023-12-02 13:54:45,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:45,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317401102] [2023-12-02 13:54:45,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:45,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:47,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:47,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317401102] [2023-12-02 13:54:47,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317401102] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:47,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:47,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:54:47,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671606071] [2023-12-02 13:54:47,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:47,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:54:47,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:47,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:54:47,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:54:47,332 INFO L87 Difference]: Start difference. First operand 3307 states and 6364 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:52,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:52,168 INFO L93 Difference]: Finished difference Result 7313 states and 14310 transitions. [2023-12-02 13:54:52,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-12-02 13:54:52,168 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:54:52,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:52,179 INFO L225 Difference]: With dead ends: 7313 [2023-12-02 13:54:52,179 INFO L226 Difference]: Without dead ends: 7313 [2023-12-02 13:54:52,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2775 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1075, Invalid=8237, Unknown=0, NotChecked=0, Total=9312 [2023-12-02 13:54:52,180 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 1683 mSDsluCounter, 5690 mSDsCounter, 0 mSdLazyCounter, 5270 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 6092 SdHoareTripleChecker+Invalid, 5380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 5270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:52,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 6092 Invalid, 5380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 5270 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 13:54:52,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7313 states. [2023-12-02 13:54:52,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7313 to 3305. [2023-12-02 13:54:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 3293 states have (on average 1.93136957181901) internal successors, (6360), 3304 states have internal predecessors, (6360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 6360 transitions. [2023-12-02 13:54:52,244 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 6360 transitions. Word has length 163 [2023-12-02 13:54:52,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:52,244 INFO L495 AbstractCegarLoop]: Abstraction has 3305 states and 6360 transitions. [2023-12-02 13:54:52,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 6360 transitions. [2023-12-02 13:54:52,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:54:52,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:52,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:52,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2023-12-02 13:54:52,247 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:54:52,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:52,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1153296087, now seen corresponding path program 86 times [2023-12-02 13:54:52,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:52,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44436753] [2023-12-02 13:54:52,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:52,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:53,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:53,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44436753] [2023-12-02 13:54:53,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44436753] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:53,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:53,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:54:53,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975053812] [2023-12-02 13:54:53,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:53,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:54:53,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:53,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:54:53,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:54:53,791 INFO L87 Difference]: Start difference. First operand 3305 states and 6360 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:58,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:58,456 INFO L93 Difference]: Finished difference Result 7362 states and 14408 transitions. [2023-12-02 13:54:58,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-12-02 13:54:58,456 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:54:58,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:58,465 INFO L225 Difference]: With dead ends: 7362 [2023-12-02 13:54:58,465 INFO L226 Difference]: Without dead ends: 7362 [2023-12-02 13:54:58,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2782 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1067, Invalid=8245, Unknown=0, NotChecked=0, Total=9312 [2023-12-02 13:54:58,466 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 1786 mSDsluCounter, 4997 mSDsCounter, 0 mSdLazyCounter, 4801 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 4941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 4801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:58,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 5396 Invalid, 4941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 4801 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 13:54:58,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7362 states. [2023-12-02 13:54:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7362 to 3295. [2023-12-02 13:54:58,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3295 states, 3283 states have (on average 1.931160523911057) internal successors, (6340), 3294 states have internal predecessors, (6340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 3295 states and 6340 transitions. [2023-12-02 13:54:58,521 INFO L78 Accepts]: Start accepts. Automaton has 3295 states and 6340 transitions. Word has length 163 [2023-12-02 13:54:58,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:58,521 INFO L495 AbstractCegarLoop]: Abstraction has 3295 states and 6340 transitions. [2023-12-02 13:54:58,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:54:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3295 states and 6340 transitions. [2023-12-02 13:54:58,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:54:58,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:58,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:58,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2023-12-02 13:54:58,523 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:54:58,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:58,523 INFO L85 PathProgramCache]: Analyzing trace with hash -404545173, now seen corresponding path program 87 times [2023-12-02 13:54:58,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:58,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718577137] [2023-12-02 13:54:58,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:58,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:59,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:54:59,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:59,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718577137] [2023-12-02 13:54:59,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718577137] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:54:59,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:54:59,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:54:59,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681722981] [2023-12-02 13:54:59,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:54:59,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:54:59,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:59,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:54:59,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:54:59,766 INFO L87 Difference]: Start difference. First operand 3295 states and 6340 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:03,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:03,714 INFO L93 Difference]: Finished difference Result 6604 states and 12889 transitions. [2023-12-02 13:55:03,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-12-02 13:55:03,714 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:03,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:03,722 INFO L225 Difference]: With dead ends: 6604 [2023-12-02 13:55:03,722 INFO L226 Difference]: Without dead ends: 6604 [2023-12-02 13:55:03,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2351 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1100, Invalid=7272, Unknown=0, NotChecked=0, Total=8372 [2023-12-02 13:55:03,723 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 1839 mSDsluCounter, 4650 mSDsCounter, 0 mSdLazyCounter, 4218 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 5089 SdHoareTripleChecker+Invalid, 4383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 4218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:03,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1839 Valid, 5089 Invalid, 4383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 4218 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:55:03,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6604 states. [2023-12-02 13:55:03,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6604 to 3297. [2023-12-02 13:55:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3297 states, 3285 states have (on average 1.9312024353120243) internal successors, (6344), 3296 states have internal predecessors, (6344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3297 states to 3297 states and 6344 transitions. [2023-12-02 13:55:03,774 INFO L78 Accepts]: Start accepts. Automaton has 3297 states and 6344 transitions. Word has length 163 [2023-12-02 13:55:03,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:03,774 INFO L495 AbstractCegarLoop]: Abstraction has 3297 states and 6344 transitions. [2023-12-02 13:55:03,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 3297 states and 6344 transitions. [2023-12-02 13:55:03,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:03,775 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:03,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:03,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2023-12-02 13:55:03,775 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:03,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:03,776 INFO L85 PathProgramCache]: Analyzing trace with hash -412275571, now seen corresponding path program 88 times [2023-12-02 13:55:03,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:03,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255989674] [2023-12-02 13:55:03,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:03,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:05,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:05,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:05,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255989674] [2023-12-02 13:55:05,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255989674] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:05,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:05,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:55:05,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577548273] [2023-12-02 13:55:05,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:05,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:55:05,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:05,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:55:05,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:55:05,060 INFO L87 Difference]: Start difference. First operand 3297 states and 6344 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:09,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:09,701 INFO L93 Difference]: Finished difference Result 6664 states and 13009 transitions. [2023-12-02 13:55:09,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-12-02 13:55:09,702 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:09,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:09,709 INFO L225 Difference]: With dead ends: 6664 [2023-12-02 13:55:09,709 INFO L226 Difference]: Without dead ends: 6664 [2023-12-02 13:55:09,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2706 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1153, Invalid=8159, Unknown=0, NotChecked=0, Total=9312 [2023-12-02 13:55:09,710 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 1751 mSDsluCounter, 5806 mSDsCounter, 0 mSdLazyCounter, 5855 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 6237 SdHoareTripleChecker+Invalid, 6004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 5855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:09,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 6237 Invalid, 6004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 5855 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:55:09,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6664 states. [2023-12-02 13:55:09,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6664 to 3293. [2023-12-02 13:55:09,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3293 states, 3281 states have (on average 1.931118561414203) internal successors, (6336), 3292 states have internal predecessors, (6336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:09,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 3293 states and 6336 transitions. [2023-12-02 13:55:09,752 INFO L78 Accepts]: Start accepts. Automaton has 3293 states and 6336 transitions. Word has length 163 [2023-12-02 13:55:09,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:09,753 INFO L495 AbstractCegarLoop]: Abstraction has 3293 states and 6336 transitions. [2023-12-02 13:55:09,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:09,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3293 states and 6336 transitions. [2023-12-02 13:55:09,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:09,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:09,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:09,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2023-12-02 13:55:09,754 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:09,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:09,754 INFO L85 PathProgramCache]: Analyzing trace with hash -373035861, now seen corresponding path program 89 times [2023-12-02 13:55:09,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:09,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193692475] [2023-12-02 13:55:09,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:09,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:10,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:10,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193692475] [2023-12-02 13:55:10,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193692475] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:10,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:10,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:55:10,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190078754] [2023-12-02 13:55:10,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:10,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:55:10,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:10,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:55:10,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:55:10,975 INFO L87 Difference]: Start difference. First operand 3293 states and 6336 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:14,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:14,836 INFO L93 Difference]: Finished difference Result 6654 states and 12989 transitions. [2023-12-02 13:55:14,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-12-02 13:55:14,837 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:14,845 INFO L225 Difference]: With dead ends: 6654 [2023-12-02 13:55:14,845 INFO L226 Difference]: Without dead ends: 6654 [2023-12-02 13:55:14,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2514 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1068, Invalid=7674, Unknown=0, NotChecked=0, Total=8742 [2023-12-02 13:55:14,846 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 1644 mSDsluCounter, 4532 mSDsCounter, 0 mSdLazyCounter, 4286 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 4931 SdHoareTripleChecker+Invalid, 4461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 4286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:14,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 4931 Invalid, 4461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 4286 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:55:14,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6654 states. [2023-12-02 13:55:14,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6654 to 3297. [2023-12-02 13:55:14,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3297 states, 3285 states have (on average 1.9312024353120243) internal successors, (6344), 3296 states have internal predecessors, (6344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3297 states to 3297 states and 6344 transitions. [2023-12-02 13:55:14,896 INFO L78 Accepts]: Start accepts. Automaton has 3297 states and 6344 transitions. Word has length 163 [2023-12-02 13:55:14,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:14,896 INFO L495 AbstractCegarLoop]: Abstraction has 3297 states and 6344 transitions. [2023-12-02 13:55:14,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3297 states and 6344 transitions. [2023-12-02 13:55:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:14,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:14,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:14,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2023-12-02 13:55:14,898 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:14,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:14,898 INFO L85 PathProgramCache]: Analyzing trace with hash -380766259, now seen corresponding path program 90 times [2023-12-02 13:55:14,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:14,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512668253] [2023-12-02 13:55:14,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:14,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:16,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:16,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:16,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512668253] [2023-12-02 13:55:16,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512668253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:16,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:16,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:55:16,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415198934] [2023-12-02 13:55:16,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:16,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:55:16,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:16,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:55:16,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:55:16,097 INFO L87 Difference]: Start difference. First operand 3297 states and 6344 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:20,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:20,026 INFO L93 Difference]: Finished difference Result 6805 states and 13291 transitions. [2023-12-02 13:55:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-12-02 13:55:20,026 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:20,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:20,034 INFO L225 Difference]: With dead ends: 6805 [2023-12-02 13:55:20,034 INFO L226 Difference]: Without dead ends: 6805 [2023-12-02 13:55:20,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2436 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1092, Invalid=7464, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 13:55:20,035 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 1716 mSDsluCounter, 4949 mSDsCounter, 0 mSdLazyCounter, 4666 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 5366 SdHoareTripleChecker+Invalid, 4839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 4666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:20,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1716 Valid, 5366 Invalid, 4839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 4666 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:55:20,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6805 states. [2023-12-02 13:55:20,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6805 to 3295. [2023-12-02 13:55:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3295 states, 3283 states have (on average 1.931160523911057) internal successors, (6340), 3294 states have internal predecessors, (6340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:20,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 3295 states and 6340 transitions. [2023-12-02 13:55:20,089 INFO L78 Accepts]: Start accepts. Automaton has 3295 states and 6340 transitions. Word has length 163 [2023-12-02 13:55:20,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:20,089 INFO L495 AbstractCegarLoop]: Abstraction has 3295 states and 6340 transitions. [2023-12-02 13:55:20,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3295 states and 6340 transitions. [2023-12-02 13:55:20,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:20,090 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:20,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:20,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2023-12-02 13:55:20,091 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:20,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:20,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1056605483, now seen corresponding path program 91 times [2023-12-02 13:55:20,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:20,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784237813] [2023-12-02 13:55:20,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:20,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:21,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:21,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784237813] [2023-12-02 13:55:21,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784237813] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:21,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:21,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:55:21,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250181004] [2023-12-02 13:55:21,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:21,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:55:21,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:21,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:55:21,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:55:21,411 INFO L87 Difference]: Start difference. First operand 3295 states and 6340 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:26,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:26,736 INFO L93 Difference]: Finished difference Result 6788 states and 13257 transitions. [2023-12-02 13:55:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-12-02 13:55:26,737 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:26,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:26,745 INFO L225 Difference]: With dead ends: 6788 [2023-12-02 13:55:26,745 INFO L226 Difference]: Without dead ends: 6788 [2023-12-02 13:55:26,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2663 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1098, Invalid=8022, Unknown=0, NotChecked=0, Total=9120 [2023-12-02 13:55:26,746 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 1641 mSDsluCounter, 6840 mSDsCounter, 0 mSdLazyCounter, 7061 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1641 SdHoareTripleChecker+Valid, 7251 SdHoareTripleChecker+Invalid, 7202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 7061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:26,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1641 Valid, 7251 Invalid, 7202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 7061 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-02 13:55:26,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6788 states. [2023-12-02 13:55:26,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6788 to 3291. [2023-12-02 13:55:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3291 states, 3279 states have (on average 1.9310765477279659) internal successors, (6332), 3290 states have internal predecessors, (6332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 3291 states and 6332 transitions. [2023-12-02 13:55:26,798 INFO L78 Accepts]: Start accepts. Automaton has 3291 states and 6332 transitions. Word has length 163 [2023-12-02 13:55:26,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:26,799 INFO L495 AbstractCegarLoop]: Abstraction has 3291 states and 6332 transitions. [2023-12-02 13:55:26,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 6332 transitions. [2023-12-02 13:55:26,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:26,800 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:26,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:26,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2023-12-02 13:55:26,801 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:26,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:26,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1638286155, now seen corresponding path program 92 times [2023-12-02 13:55:26,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:26,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154679336] [2023-12-02 13:55:26,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:26,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:28,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:28,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:28,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154679336] [2023-12-02 13:55:28,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154679336] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:28,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:28,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:55:28,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163252678] [2023-12-02 13:55:28,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:28,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:55:28,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:28,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:55:28,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:55:28,130 INFO L87 Difference]: Start difference. First operand 3291 states and 6332 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:32,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:32,223 INFO L93 Difference]: Finished difference Result 6658 states and 12997 transitions. [2023-12-02 13:55:32,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-12-02 13:55:32,223 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:32,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:32,231 INFO L225 Difference]: With dead ends: 6658 [2023-12-02 13:55:32,231 INFO L226 Difference]: Without dead ends: 6658 [2023-12-02 13:55:32,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2458 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1028, Invalid=7528, Unknown=0, NotChecked=0, Total=8556 [2023-12-02 13:55:32,232 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 1545 mSDsluCounter, 5216 mSDsCounter, 0 mSdLazyCounter, 4935 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1545 SdHoareTripleChecker+Valid, 5594 SdHoareTripleChecker+Invalid, 5084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 4935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:32,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1545 Valid, 5594 Invalid, 5084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 4935 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 13:55:32,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6658 states. [2023-12-02 13:55:32,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6658 to 3291. [2023-12-02 13:55:32,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3291 states, 3279 states have (on average 1.9310765477279659) internal successors, (6332), 3290 states have internal predecessors, (6332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:32,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 3291 states and 6332 transitions. [2023-12-02 13:55:32,286 INFO L78 Accepts]: Start accepts. Automaton has 3291 states and 6332 transitions. Word has length 163 [2023-12-02 13:55:32,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:32,286 INFO L495 AbstractCegarLoop]: Abstraction has 3291 states and 6332 transitions. [2023-12-02 13:55:32,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:32,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 6332 transitions. [2023-12-02 13:55:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:32,287 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:32,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:32,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2023-12-02 13:55:32,288 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:32,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:32,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1646016553, now seen corresponding path program 93 times [2023-12-02 13:55:32,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:32,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399232765] [2023-12-02 13:55:32,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:32,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:33,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:33,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399232765] [2023-12-02 13:55:33,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399232765] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:33,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:33,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:55:33,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344420183] [2023-12-02 13:55:33,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:33,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:55:33,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:33,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:55:33,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:55:33,581 INFO L87 Difference]: Start difference. First operand 3291 states and 6332 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:37,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:37,615 INFO L93 Difference]: Finished difference Result 6809 states and 13299 transitions. [2023-12-02 13:55:37,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-12-02 13:55:37,615 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:37,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:37,623 INFO L225 Difference]: With dead ends: 6809 [2023-12-02 13:55:37,623 INFO L226 Difference]: Without dead ends: 6809 [2023-12-02 13:55:37,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2595 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1065, Invalid=7865, Unknown=0, NotChecked=0, Total=8930 [2023-12-02 13:55:37,624 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 1548 mSDsluCounter, 4932 mSDsCounter, 0 mSdLazyCounter, 4736 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 5315 SdHoareTripleChecker+Invalid, 4891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 4736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:37,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1548 Valid, 5315 Invalid, 4891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 4736 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:55:37,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6809 states. [2023-12-02 13:55:37,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6809 to 3289. [2023-12-02 13:55:37,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3289 states, 3277 states have (on average 1.9310344827586208) internal successors, (6328), 3288 states have internal predecessors, (6328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 3289 states and 6328 transitions. [2023-12-02 13:55:37,677 INFO L78 Accepts]: Start accepts. Automaton has 3289 states and 6328 transitions. Word has length 163 [2023-12-02 13:55:37,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:37,678 INFO L495 AbstractCegarLoop]: Abstraction has 3289 states and 6328 transitions. [2023-12-02 13:55:37,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 6328 transitions. [2023-12-02 13:55:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:37,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:37,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:37,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2023-12-02 13:55:37,679 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:37,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:37,680 INFO L85 PathProgramCache]: Analyzing trace with hash -208644811, now seen corresponding path program 94 times [2023-12-02 13:55:37,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:37,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277081629] [2023-12-02 13:55:37,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:37,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:38,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:38,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277081629] [2023-12-02 13:55:38,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277081629] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:38,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:38,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:55:38,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718685948] [2023-12-02 13:55:38,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:38,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:55:38,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:38,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:55:38,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:55:38,912 INFO L87 Difference]: Start difference. First operand 3289 states and 6328 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:43,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:43,502 INFO L93 Difference]: Finished difference Result 6859 states and 13399 transitions. [2023-12-02 13:55:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-12-02 13:55:43,502 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:43,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:43,510 INFO L225 Difference]: With dead ends: 6859 [2023-12-02 13:55:43,510 INFO L226 Difference]: Without dead ends: 6859 [2023-12-02 13:55:43,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2389 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1042, Invalid=7330, Unknown=0, NotChecked=0, Total=8372 [2023-12-02 13:55:43,511 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 1682 mSDsluCounter, 5512 mSDsCounter, 0 mSdLazyCounter, 5364 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 5915 SdHoareTripleChecker+Invalid, 5516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 5364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:43,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 5915 Invalid, 5516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 5364 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:55:43,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6859 states. [2023-12-02 13:55:43,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6859 to 3287. [2023-12-02 13:55:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3287 states, 3275 states have (on average 1.9309923664122137) internal successors, (6324), 3286 states have internal predecessors, (6324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 6324 transitions. [2023-12-02 13:55:43,563 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 6324 transitions. Word has length 163 [2023-12-02 13:55:43,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:43,563 INFO L495 AbstractCegarLoop]: Abstraction has 3287 states and 6324 transitions. [2023-12-02 13:55:43,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 6324 transitions. [2023-12-02 13:55:43,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:43,564 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:43,564 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:43,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2023-12-02 13:55:43,565 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:43,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:43,565 INFO L85 PathProgramCache]: Analyzing trace with hash 203762903, now seen corresponding path program 95 times [2023-12-02 13:55:43,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:43,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694528398] [2023-12-02 13:55:43,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:43,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:44,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:44,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694528398] [2023-12-02 13:55:44,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694528398] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:44,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:44,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:55:44,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469410227] [2023-12-02 13:55:44,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:44,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:55:44,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:44,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:55:44,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:55:44,828 INFO L87 Difference]: Start difference. First operand 3287 states and 6324 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:49,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:49,204 INFO L93 Difference]: Finished difference Result 6842 states and 13365 transitions. [2023-12-02 13:55:49,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-12-02 13:55:49,204 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:49,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:49,211 INFO L225 Difference]: With dead ends: 6842 [2023-12-02 13:55:49,211 INFO L226 Difference]: Without dead ends: 6842 [2023-12-02 13:55:49,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2615 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1049, Invalid=7881, Unknown=0, NotChecked=0, Total=8930 [2023-12-02 13:55:49,212 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 1674 mSDsluCounter, 5384 mSDsCounter, 0 mSdLazyCounter, 5539 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 5777 SdHoareTripleChecker+Invalid, 5679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 5539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:49,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 5777 Invalid, 5679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 5539 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 13:55:49,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6842 states. [2023-12-02 13:55:49,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6842 to 3239. [2023-12-02 13:55:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3239 states, 3227 states have (on average 1.9299659126123334) internal successors, (6228), 3238 states have internal predecessors, (6228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 3239 states and 6228 transitions. [2023-12-02 13:55:49,261 INFO L78 Accepts]: Start accepts. Automaton has 3239 states and 6228 transitions. Word has length 163 [2023-12-02 13:55:49,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:49,262 INFO L495 AbstractCegarLoop]: Abstraction has 3239 states and 6228 transitions. [2023-12-02 13:55:49,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 6228 transitions. [2023-12-02 13:55:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:49,263 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:49,263 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:49,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2023-12-02 13:55:49,263 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:49,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:49,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1529816277, now seen corresponding path program 16 times [2023-12-02 13:55:49,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:49,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767727530] [2023-12-02 13:55:49,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:49,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:50,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:50,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767727530] [2023-12-02 13:55:50,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767727530] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:50,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:50,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:55:50,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370721441] [2023-12-02 13:55:50,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:50,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:55:50,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:50,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:55:50,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:55:50,622 INFO L87 Difference]: Start difference. First operand 3239 states and 6228 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:53,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:53,822 INFO L93 Difference]: Finished difference Result 4703 states and 9098 transitions. [2023-12-02 13:55:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-12-02 13:55:53,823 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:53,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:53,828 INFO L225 Difference]: With dead ends: 4703 [2023-12-02 13:55:53,828 INFO L226 Difference]: Without dead ends: 4703 [2023-12-02 13:55:53,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1533 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=820, Invalid=4730, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:55:53,828 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 1518 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 3091 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 3803 SdHoareTripleChecker+Invalid, 3146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 3091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:53,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 3803 Invalid, 3146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 3091 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 13:55:53,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4703 states. [2023-12-02 13:55:53,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4703 to 3323. [2023-12-02 13:55:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3323 states, 3311 states have (on average 1.9317426759287224) internal successors, (6396), 3322 states have internal predecessors, (6396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:53,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 3323 states and 6396 transitions. [2023-12-02 13:55:53,877 INFO L78 Accepts]: Start accepts. Automaton has 3323 states and 6396 transitions. Word has length 163 [2023-12-02 13:55:53,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:53,877 INFO L495 AbstractCegarLoop]: Abstraction has 3323 states and 6396 transitions. [2023-12-02 13:55:53,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3323 states and 6396 transitions. [2023-12-02 13:55:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:53,879 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:53,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:53,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2023-12-02 13:55:53,879 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:53,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:53,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1488716075, now seen corresponding path program 17 times [2023-12-02 13:55:53,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:53,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594657916] [2023-12-02 13:55:53,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:53,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:55:55,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:55,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594657916] [2023-12-02 13:55:55,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594657916] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:55,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:55:55,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:55:55,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611851696] [2023-12-02 13:55:55,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:55,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:55:55,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:55,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:55:55,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:55:55,456 INFO L87 Difference]: Start difference. First operand 3323 states and 6396 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:59,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:59,068 INFO L93 Difference]: Finished difference Result 4752 states and 9194 transitions. [2023-12-02 13:55:59,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-12-02 13:55:59,069 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:55:59,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:59,073 INFO L225 Difference]: With dead ends: 4752 [2023-12-02 13:55:59,074 INFO L226 Difference]: Without dead ends: 4752 [2023-12-02 13:55:59,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2043 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=968, Invalid=6004, Unknown=0, NotChecked=0, Total=6972 [2023-12-02 13:55:59,074 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 1700 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 3338 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1700 SdHoareTripleChecker+Valid, 3696 SdHoareTripleChecker+Invalid, 3419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 3338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:59,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1700 Valid, 3696 Invalid, 3419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 3338 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 13:55:59,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4752 states. [2023-12-02 13:55:59,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4752 to 3334. [2023-12-02 13:55:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3334 states, 3322 states have (on average 1.9319686935580975) internal successors, (6418), 3333 states have internal predecessors, (6418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 3334 states and 6418 transitions. [2023-12-02 13:55:59,118 INFO L78 Accepts]: Start accepts. Automaton has 3334 states and 6418 transitions. Word has length 163 [2023-12-02 13:55:59,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:59,118 INFO L495 AbstractCegarLoop]: Abstraction has 3334 states and 6418 transitions. [2023-12-02 13:55:59,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:55:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 6418 transitions. [2023-12-02 13:55:59,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:55:59,120 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:59,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:59,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2023-12-02 13:55:59,121 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:55:59,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:59,121 INFO L85 PathProgramCache]: Analyzing trace with hash -411124279, now seen corresponding path program 18 times [2023-12-02 13:55:59,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:59,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756205206] [2023-12-02 13:55:59,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:59,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:00,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:00,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756205206] [2023-12-02 13:56:00,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756205206] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:00,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:00,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:56:00,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521640728] [2023-12-02 13:56:00,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:00,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:56:00,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:00,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:56:00,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:56:00,537 INFO L87 Difference]: Start difference. First operand 3334 states and 6418 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:04,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:04,506 INFO L93 Difference]: Finished difference Result 4801 states and 9290 transitions. [2023-12-02 13:56:04,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 13:56:04,507 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:04,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:04,511 INFO L225 Difference]: With dead ends: 4801 [2023-12-02 13:56:04,512 INFO L226 Difference]: Without dead ends: 4801 [2023-12-02 13:56:04,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2438 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1130, Invalid=6880, Unknown=0, NotChecked=0, Total=8010 [2023-12-02 13:56:04,512 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1306 mSDsluCounter, 4429 mSDsCounter, 0 mSdLazyCounter, 4298 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 4701 SdHoareTripleChecker+Invalid, 4383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:04,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 4701 Invalid, 4383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4298 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:56:04,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4801 states. [2023-12-02 13:56:04,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4801 to 3345. [2023-12-02 13:56:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3345 states, 3333 states have (on average 1.9321932193219322) internal successors, (6440), 3344 states have internal predecessors, (6440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:04,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 3345 states and 6440 transitions. [2023-12-02 13:56:04,555 INFO L78 Accepts]: Start accepts. Automaton has 3345 states and 6440 transitions. Word has length 163 [2023-12-02 13:56:04,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:04,555 INFO L495 AbstractCegarLoop]: Abstraction has 3345 states and 6440 transitions. [2023-12-02 13:56:04,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3345 states and 6440 transitions. [2023-12-02 13:56:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:04,556 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:04,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:04,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2023-12-02 13:56:04,557 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:04,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:04,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1132469175, now seen corresponding path program 19 times [2023-12-02 13:56:04,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:04,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336173694] [2023-12-02 13:56:04,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:04,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:06,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:06,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336173694] [2023-12-02 13:56:06,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336173694] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:06,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:06,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:56:06,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729377454] [2023-12-02 13:56:06,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:06,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:56:06,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:06,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:56:06,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:56:06,091 INFO L87 Difference]: Start difference. First operand 3345 states and 6440 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:12,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:12,129 INFO L93 Difference]: Finished difference Result 4992 states and 9669 transitions. [2023-12-02 13:56:12,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-12-02 13:56:12,129 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:12,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:12,135 INFO L225 Difference]: With dead ends: 4992 [2023-12-02 13:56:12,135 INFO L226 Difference]: Without dead ends: 4992 [2023-12-02 13:56:12,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3815 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1672, Invalid=9884, Unknown=0, NotChecked=0, Total=11556 [2023-12-02 13:56:12,136 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 1523 mSDsluCounter, 5545 mSDsCounter, 0 mSdLazyCounter, 5742 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 5895 SdHoareTripleChecker+Invalid, 5826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 5742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:12,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 5895 Invalid, 5826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 5742 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 13:56:12,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4992 states. [2023-12-02 13:56:12,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4992 to 3356. [2023-12-02 13:56:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3356 states, 3344 states have (on average 1.9324162679425838) internal successors, (6462), 3355 states have internal predecessors, (6462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 3356 states and 6462 transitions. [2023-12-02 13:56:12,184 INFO L78 Accepts]: Start accepts. Automaton has 3356 states and 6462 transitions. Word has length 163 [2023-12-02 13:56:12,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:12,184 INFO L495 AbstractCegarLoop]: Abstraction has 3356 states and 6462 transitions. [2023-12-02 13:56:12,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 6462 transitions. [2023-12-02 13:56:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:12,186 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:12,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:12,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2023-12-02 13:56:12,186 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:12,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:12,187 INFO L85 PathProgramCache]: Analyzing trace with hash -50196407, now seen corresponding path program 96 times [2023-12-02 13:56:12,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:12,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276261001] [2023-12-02 13:56:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:12,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:13,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:13,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276261001] [2023-12-02 13:56:13,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276261001] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:13,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:13,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:56:13,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834276460] [2023-12-02 13:56:13,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:13,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:56:13,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:13,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:56:13,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:56:13,417 INFO L87 Difference]: Start difference. First operand 3356 states and 6462 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:16,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:16,763 INFO L93 Difference]: Finished difference Result 4577 states and 8889 transitions. [2023-12-02 13:56:16,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-12-02 13:56:16,764 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:16,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:16,768 INFO L225 Difference]: With dead ends: 4577 [2023-12-02 13:56:16,769 INFO L226 Difference]: Without dead ends: 4577 [2023-12-02 13:56:16,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1954 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=805, Invalid=6335, Unknown=0, NotChecked=0, Total=7140 [2023-12-02 13:56:16,769 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 1421 mSDsluCounter, 4088 mSDsCounter, 0 mSdLazyCounter, 4399 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1421 SdHoareTripleChecker+Valid, 4375 SdHoareTripleChecker+Invalid, 4483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 4399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:16,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1421 Valid, 4375 Invalid, 4483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 4399 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:56:16,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4577 states. [2023-12-02 13:56:16,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4577 to 3355. [2023-12-02 13:56:16,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3355 states, 3343 states have (on average 1.9335925815136106) internal successors, (6464), 3354 states have internal predecessors, (6464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 3355 states and 6464 transitions. [2023-12-02 13:56:16,808 INFO L78 Accepts]: Start accepts. Automaton has 3355 states and 6464 transitions. Word has length 163 [2023-12-02 13:56:16,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:16,808 INFO L495 AbstractCegarLoop]: Abstraction has 3355 states and 6464 transitions. [2023-12-02 13:56:16,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:16,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3355 states and 6464 transitions. [2023-12-02 13:56:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:16,810 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:16,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:16,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2023-12-02 13:56:16,810 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:16,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:16,810 INFO L85 PathProgramCache]: Analyzing trace with hash -536196699, now seen corresponding path program 20 times [2023-12-02 13:56:16,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:16,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943813290] [2023-12-02 13:56:16,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:16,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:18,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:18,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943813290] [2023-12-02 13:56:18,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943813290] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:18,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:18,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:56:18,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723931601] [2023-12-02 13:56:18,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:18,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:56:18,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:18,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:56:18,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:56:18,081 INFO L87 Difference]: Start difference. First operand 3355 states and 6464 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:22,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:22,284 INFO L93 Difference]: Finished difference Result 4357 states and 8451 transitions. [2023-12-02 13:56:22,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-12-02 13:56:22,284 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:22,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:22,289 INFO L225 Difference]: With dead ends: 4357 [2023-12-02 13:56:22,289 INFO L226 Difference]: Without dead ends: 4357 [2023-12-02 13:56:22,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3072 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1116, Invalid=9186, Unknown=0, NotChecked=0, Total=10302 [2023-12-02 13:56:22,290 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 1331 mSDsluCounter, 5265 mSDsCounter, 0 mSdLazyCounter, 6103 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 5603 SdHoareTripleChecker+Invalid, 6156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 6103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:22,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1331 Valid, 5603 Invalid, 6156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 6103 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 13:56:22,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4357 states. [2023-12-02 13:56:22,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4357 to 3251. [2023-12-02 13:56:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 3239 states have (on average 1.930225378203149) internal successors, (6252), 3250 states have internal predecessors, (6252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 6252 transitions. [2023-12-02 13:56:22,328 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 6252 transitions. Word has length 163 [2023-12-02 13:56:22,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:22,329 INFO L495 AbstractCegarLoop]: Abstraction has 3251 states and 6252 transitions. [2023-12-02 13:56:22,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 6252 transitions. [2023-12-02 13:56:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:22,330 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:22,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:22,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2023-12-02 13:56:22,345 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:22,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:22,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1125781065, now seen corresponding path program 97 times [2023-12-02 13:56:22,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:22,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608719264] [2023-12-02 13:56:22,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:22,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:23,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:23,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608719264] [2023-12-02 13:56:23,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608719264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:23,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:23,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:56:23,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611156662] [2023-12-02 13:56:23,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:23,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:56:23,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:23,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:56:23,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:56:23,539 INFO L87 Difference]: Start difference. First operand 3251 states and 6252 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:26,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:26,910 INFO L93 Difference]: Finished difference Result 5475 states and 10688 transitions. [2023-12-02 13:56:26,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-12-02 13:56:26,910 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:26,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:26,915 INFO L225 Difference]: With dead ends: 5475 [2023-12-02 13:56:26,915 INFO L226 Difference]: Without dead ends: 5475 [2023-12-02 13:56:26,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2210 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=885, Invalid=6947, Unknown=0, NotChecked=0, Total=7832 [2023-12-02 13:56:26,916 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 1309 mSDsluCounter, 3981 mSDsCounter, 0 mSdLazyCounter, 3853 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 4306 SdHoareTripleChecker+Invalid, 3941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:26,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 4306 Invalid, 3941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 3853 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 13:56:26,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5475 states. [2023-12-02 13:56:26,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5475 to 3331. [2023-12-02 13:56:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3331 states, 3319 states have (on average 1.9331123832479662) internal successors, (6416), 3330 states have internal predecessors, (6416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 3331 states and 6416 transitions. [2023-12-02 13:56:26,957 INFO L78 Accepts]: Start accepts. Automaton has 3331 states and 6416 transitions. Word has length 163 [2023-12-02 13:56:26,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:26,958 INFO L495 AbstractCegarLoop]: Abstraction has 3331 states and 6416 transitions. [2023-12-02 13:56:26,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3331 states and 6416 transitions. [2023-12-02 13:56:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:26,959 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:26,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:26,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2023-12-02 13:56:26,959 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:26,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:26,959 INFO L85 PathProgramCache]: Analyzing trace with hash 639780773, now seen corresponding path program 21 times [2023-12-02 13:56:26,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:26,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872025434] [2023-12-02 13:56:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:26,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:28,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:28,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:28,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872025434] [2023-12-02 13:56:28,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872025434] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:28,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:28,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:56:28,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841046058] [2023-12-02 13:56:28,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:28,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:56:28,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:28,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:56:28,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:56:28,146 INFO L87 Difference]: Start difference. First operand 3331 states and 6416 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:32,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:32,662 INFO L93 Difference]: Finished difference Result 5103 states and 9946 transitions. [2023-12-02 13:56:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-12-02 13:56:32,662 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:32,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:32,667 INFO L225 Difference]: With dead ends: 5103 [2023-12-02 13:56:32,668 INFO L226 Difference]: Without dead ends: 5103 [2023-12-02 13:56:32,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3239 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1117, Invalid=9595, Unknown=0, NotChecked=0, Total=10712 [2023-12-02 13:56:32,668 INFO L413 NwaCegarLoop]: 404 mSDtfsCounter, 1174 mSDsluCounter, 5192 mSDsCounter, 0 mSdLazyCounter, 5687 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 5596 SdHoareTripleChecker+Invalid, 5741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 5687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:32,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1174 Valid, 5596 Invalid, 5741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 5687 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 13:56:32,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5103 states. [2023-12-02 13:56:32,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5103 to 3289. [2023-12-02 13:56:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3289 states, 3277 states have (on average 1.9310344827586208) internal successors, (6328), 3288 states have internal predecessors, (6328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 3289 states and 6328 transitions. [2023-12-02 13:56:32,710 INFO L78 Accepts]: Start accepts. Automaton has 3289 states and 6328 transitions. Word has length 163 [2023-12-02 13:56:32,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:32,710 INFO L495 AbstractCegarLoop]: Abstraction has 3289 states and 6328 transitions. [2023-12-02 13:56:32,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 6328 transitions. [2023-12-02 13:56:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:32,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:32,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:32,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2023-12-02 13:56:32,712 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:32,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:32,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1501852557, now seen corresponding path program 98 times [2023-12-02 13:56:32,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:32,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043545595] [2023-12-02 13:56:32,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:32,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:34,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:34,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043545595] [2023-12-02 13:56:34,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043545595] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:34,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:34,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:56:34,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362198621] [2023-12-02 13:56:34,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:34,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:56:34,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:34,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:56:34,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:56:34,061 INFO L87 Difference]: Start difference. First operand 3289 states and 6328 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:37,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:37,470 INFO L93 Difference]: Finished difference Result 5115 states and 9965 transitions. [2023-12-02 13:56:37,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-12-02 13:56:37,471 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:37,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:37,477 INFO L225 Difference]: With dead ends: 5115 [2023-12-02 13:56:37,477 INFO L226 Difference]: Without dead ends: 5115 [2023-12-02 13:56:37,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1875 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=826, Invalid=6146, Unknown=0, NotChecked=0, Total=6972 [2023-12-02 13:56:37,478 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 1205 mSDsluCounter, 4284 mSDsCounter, 0 mSdLazyCounter, 4088 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 4615 SdHoareTripleChecker+Invalid, 4166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 4088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:37,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1205 Valid, 4615 Invalid, 4166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 4088 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:56:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5115 states. [2023-12-02 13:56:37,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5115 to 3289. [2023-12-02 13:56:37,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3289 states, 3277 states have (on average 1.9310344827586208) internal successors, (6328), 3288 states have internal predecessors, (6328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 3289 states and 6328 transitions. [2023-12-02 13:56:37,529 INFO L78 Accepts]: Start accepts. Automaton has 3289 states and 6328 transitions. Word has length 163 [2023-12-02 13:56:37,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:37,529 INFO L495 AbstractCegarLoop]: Abstraction has 3289 states and 6328 transitions. [2023-12-02 13:56:37,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:37,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 6328 transitions. [2023-12-02 13:56:37,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:37,531 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:37,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:37,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2023-12-02 13:56:37,531 INFO L420 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:37,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:37,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1494122159, now seen corresponding path program 99 times [2023-12-02 13:56:37,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:37,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789670335] [2023-12-02 13:56:37,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:37,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:38,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:38,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:38,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789670335] [2023-12-02 13:56:38,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789670335] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:38,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:38,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:56:38,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828753189] [2023-12-02 13:56:38,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:38,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:56:38,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:38,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:56:38,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:56:38,862 INFO L87 Difference]: Start difference. First operand 3289 states and 6328 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:42,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:42,424 INFO L93 Difference]: Finished difference Result 5197 states and 10129 transitions. [2023-12-02 13:56:42,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 13:56:42,424 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:42,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:42,430 INFO L225 Difference]: With dead ends: 5197 [2023-12-02 13:56:42,430 INFO L226 Difference]: Without dead ends: 5197 [2023-12-02 13:56:42,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2060 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=877, Invalid=6605, Unknown=0, NotChecked=0, Total=7482 [2023-12-02 13:56:42,430 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 1408 mSDsluCounter, 4407 mSDsCounter, 0 mSdLazyCounter, 4385 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 4744 SdHoareTripleChecker+Invalid, 4485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 4385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:42,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1408 Valid, 4744 Invalid, 4485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 4385 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:56:42,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5197 states. [2023-12-02 13:56:42,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 3287. [2023-12-02 13:56:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3287 states, 3275 states have (on average 1.9309923664122137) internal successors, (6324), 3286 states have internal predecessors, (6324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:42,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 6324 transitions. [2023-12-02 13:56:42,477 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 6324 transitions. Word has length 163 [2023-12-02 13:56:42,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:42,477 INFO L495 AbstractCegarLoop]: Abstraction has 3287 states and 6324 transitions. [2023-12-02 13:56:42,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 6324 transitions. [2023-12-02 13:56:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:42,479 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:42,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:42,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2023-12-02 13:56:42,479 INFO L420 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:42,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:42,479 INFO L85 PathProgramCache]: Analyzing trace with hash -585171669, now seen corresponding path program 100 times [2023-12-02 13:56:42,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:42,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645743999] [2023-12-02 13:56:42,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:42,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:43,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:43,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645743999] [2023-12-02 13:56:43,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645743999] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:43,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:43,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:56:43,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894089334] [2023-12-02 13:56:43,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:43,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:56:43,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:43,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:56:43,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:56:43,793 INFO L87 Difference]: Start difference. First operand 3287 states and 6324 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:47,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:47,615 INFO L93 Difference]: Finished difference Result 5230 states and 10195 transitions. [2023-12-02 13:56:47,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 13:56:47,615 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:47,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:47,621 INFO L225 Difference]: With dead ends: 5230 [2023-12-02 13:56:47,621 INFO L226 Difference]: Without dead ends: 5230 [2023-12-02 13:56:47,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2069 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=867, Invalid=6615, Unknown=0, NotChecked=0, Total=7482 [2023-12-02 13:56:47,622 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 1424 mSDsluCounter, 4638 mSDsCounter, 0 mSdLazyCounter, 4703 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1424 SdHoareTripleChecker+Valid, 4966 SdHoareTripleChecker+Invalid, 4815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 4703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:47,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1424 Valid, 4966 Invalid, 4815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 4703 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 13:56:47,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5230 states. [2023-12-02 13:56:47,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5230 to 3285. [2023-12-02 13:56:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3285 states, 3273 states have (on average 1.9309501985945616) internal successors, (6320), 3284 states have internal predecessors, (6320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:47,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 6320 transitions. [2023-12-02 13:56:47,666 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 6320 transitions. Word has length 163 [2023-12-02 13:56:47,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:47,666 INFO L495 AbstractCegarLoop]: Abstraction has 3285 states and 6320 transitions. [2023-12-02 13:56:47,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 6320 transitions. [2023-12-02 13:56:47,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:47,668 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:47,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:47,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2023-12-02 13:56:47,668 INFO L420 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:47,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:47,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1327248391, now seen corresponding path program 101 times [2023-12-02 13:56:47,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:47,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643331225] [2023-12-02 13:56:47,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:47,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:48,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:48,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:48,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643331225] [2023-12-02 13:56:48,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643331225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:48,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:48,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:56:48,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310414409] [2023-12-02 13:56:48,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:48,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:56:48,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:48,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:56:48,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:56:48,930 INFO L87 Difference]: Start difference. First operand 3285 states and 6320 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:52,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:52,669 INFO L93 Difference]: Finished difference Result 5271 states and 10277 transitions. [2023-12-02 13:56:52,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 13:56:52,669 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:52,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:52,675 INFO L225 Difference]: With dead ends: 5271 [2023-12-02 13:56:52,675 INFO L226 Difference]: Without dead ends: 5271 [2023-12-02 13:56:52,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2076 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=859, Invalid=6623, Unknown=0, NotChecked=0, Total=7482 [2023-12-02 13:56:52,676 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 1246 mSDsluCounter, 4862 mSDsCounter, 0 mSdLazyCounter, 4864 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 5187 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 4864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:52,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 5187 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 4864 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:56:52,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5271 states. [2023-12-02 13:56:52,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5271 to 3239. [2023-12-02 13:56:52,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3239 states, 3227 states have (on average 1.9299659126123334) internal successors, (6228), 3238 states have internal predecessors, (6228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 3239 states and 6228 transitions. [2023-12-02 13:56:52,716 INFO L78 Accepts]: Start accepts. Automaton has 3239 states and 6228 transitions. Word has length 163 [2023-12-02 13:56:52,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:52,716 INFO L495 AbstractCegarLoop]: Abstraction has 3239 states and 6228 transitions. [2023-12-02 13:56:52,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 6228 transitions. [2023-12-02 13:56:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:52,717 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:52,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:52,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2023-12-02 13:56:52,717 INFO L420 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:52,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:52,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2023488363, now seen corresponding path program 22 times [2023-12-02 13:56:52,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:52,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492470238] [2023-12-02 13:56:52,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:52,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:54,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:54,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492470238] [2023-12-02 13:56:54,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492470238] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:54,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:54,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:56:54,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675695856] [2023-12-02 13:56:54,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:54,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:56:54,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:54,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:56:54,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:56:54,080 INFO L87 Difference]: Start difference. First operand 3239 states and 6228 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:57,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:57,380 INFO L93 Difference]: Finished difference Result 3653 states and 7015 transitions. [2023-12-02 13:56:57,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 13:56:57,380 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:56:57,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:57,384 INFO L225 Difference]: With dead ends: 3653 [2023-12-02 13:56:57,384 INFO L226 Difference]: Without dead ends: 3653 [2023-12-02 13:56:57,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1448 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=848, Invalid=4408, Unknown=0, NotChecked=0, Total=5256 [2023-12-02 13:56:57,384 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 1209 mSDsluCounter, 3292 mSDsCounter, 0 mSdLazyCounter, 3017 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 3559 SdHoareTripleChecker+Invalid, 3088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 3017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:57,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 3559 Invalid, 3088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 3017 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-02 13:56:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3653 states. [2023-12-02 13:56:57,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3653 to 3295. [2023-12-02 13:56:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3295 states, 3283 states have (on average 1.931160523911057) internal successors, (6340), 3294 states have internal predecessors, (6340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:57,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 3295 states and 6340 transitions. [2023-12-02 13:56:57,418 INFO L78 Accepts]: Start accepts. Automaton has 3295 states and 6340 transitions. Word has length 163 [2023-12-02 13:56:57,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:57,418 INFO L495 AbstractCegarLoop]: Abstraction has 3295 states and 6340 transitions. [2023-12-02 13:56:57,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:56:57,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3295 states and 6340 transitions. [2023-12-02 13:56:57,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:56:57,419 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:57,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:57,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2023-12-02 13:56:57,419 INFO L420 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:56:57,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:57,420 INFO L85 PathProgramCache]: Analyzing trace with hash 2064588565, now seen corresponding path program 23 times [2023-12-02 13:56:57,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:56:57,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433037560] [2023-12-02 13:56:57,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:57,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:56:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:56:58,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:56:58,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433037560] [2023-12-02 13:56:58,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433037560] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:56:58,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:56:58,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:56:58,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039717116] [2023-12-02 13:56:58,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:56:58,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:56:58,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:56:58,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:56:58,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:56:58,956 INFO L87 Difference]: Start difference. First operand 3295 states and 6340 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:02,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:57:02,193 INFO L93 Difference]: Finished difference Result 3702 states and 7111 transitions. [2023-12-02 13:57:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-12-02 13:57:02,193 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:57:02,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:57:02,197 INFO L225 Difference]: With dead ends: 3702 [2023-12-02 13:57:02,197 INFO L226 Difference]: Without dead ends: 3702 [2023-12-02 13:57:02,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1948 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1012, Invalid=5630, Unknown=0, NotChecked=0, Total=6642 [2023-12-02 13:57:02,198 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 1688 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 2869 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 3220 SdHoareTripleChecker+Invalid, 2986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:57:02,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 3220 Invalid, 2986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2869 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 13:57:02,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2023-12-02 13:57:02,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3306. [2023-12-02 13:57:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3306 states, 3294 states have (on average 1.9313904068002428) internal successors, (6362), 3305 states have internal predecessors, (6362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:02,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 3306 states and 6362 transitions. [2023-12-02 13:57:02,232 INFO L78 Accepts]: Start accepts. Automaton has 3306 states and 6362 transitions. Word has length 163 [2023-12-02 13:57:02,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:57:02,232 INFO L495 AbstractCegarLoop]: Abstraction has 3306 states and 6362 transitions. [2023-12-02 13:57:02,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 6362 transitions. [2023-12-02 13:57:02,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:57:02,234 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:57:02,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:57:02,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2023-12-02 13:57:02,234 INFO L420 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:57:02,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:57:02,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1152786935, now seen corresponding path program 24 times [2023-12-02 13:57:02,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:57:02,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591895284] [2023-12-02 13:57:02,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:57:02,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:57:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:57:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:57:03,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:57:03,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591895284] [2023-12-02 13:57:03,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591895284] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:57:03,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:57:03,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:57:03,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633448062] [2023-12-02 13:57:03,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:57:03,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:57:03,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:57:03,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:57:03,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:57:03,738 INFO L87 Difference]: Start difference. First operand 3306 states and 6362 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:07,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:57:07,581 INFO L93 Difference]: Finished difference Result 3751 states and 7207 transitions. [2023-12-02 13:57:07,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-12-02 13:57:07,581 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:57:07,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:57:07,585 INFO L225 Difference]: With dead ends: 3751 [2023-12-02 13:57:07,585 INFO L226 Difference]: Without dead ends: 3751 [2023-12-02 13:57:07,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2335 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1190, Invalid=6466, Unknown=0, NotChecked=0, Total=7656 [2023-12-02 13:57:07,586 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 1543 mSDsluCounter, 3540 mSDsCounter, 0 mSdLazyCounter, 3699 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 3810 SdHoareTripleChecker+Invalid, 3846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 3699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:57:07,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 3810 Invalid, 3846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 3699 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 13:57:07,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2023-12-02 13:57:07,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 3317. [2023-12-02 13:57:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3317 states, 3305 states have (on average 1.9316187594553706) internal successors, (6384), 3316 states have internal predecessors, (6384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 3317 states and 6384 transitions. [2023-12-02 13:57:07,621 INFO L78 Accepts]: Start accepts. Automaton has 3317 states and 6384 transitions. Word has length 163 [2023-12-02 13:57:07,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:57:07,621 INFO L495 AbstractCegarLoop]: Abstraction has 3317 states and 6384 transitions. [2023-12-02 13:57:07,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3317 states and 6384 transitions. [2023-12-02 13:57:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:57:07,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:57:07,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:57:07,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2023-12-02 13:57:07,623 INFO L420 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:57:07,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:57:07,624 INFO L85 PathProgramCache]: Analyzing trace with hash 390806519, now seen corresponding path program 25 times [2023-12-02 13:57:07,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:57:07,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668229003] [2023-12-02 13:57:07,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:57:07,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:57:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:57:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:57:09,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:57:09,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668229003] [2023-12-02 13:57:09,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668229003] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:57:09,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:57:09,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:57:09,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478945475] [2023-12-02 13:57:09,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:57:09,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:57:09,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:57:09,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:57:09,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:57:09,256 INFO L87 Difference]: Start difference. First operand 3317 states and 6384 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:14,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:57:14,380 INFO L93 Difference]: Finished difference Result 3834 states and 7370 transitions. [2023-12-02 13:57:14,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-12-02 13:57:14,380 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:57:14,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:57:14,384 INFO L225 Difference]: With dead ends: 3834 [2023-12-02 13:57:14,384 INFO L226 Difference]: Without dead ends: 3834 [2023-12-02 13:57:14,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3269 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1700, Invalid=8200, Unknown=0, NotChecked=0, Total=9900 [2023-12-02 13:57:14,384 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 1622 mSDsluCounter, 3773 mSDsCounter, 0 mSdLazyCounter, 3748 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 4121 SdHoareTripleChecker+Invalid, 3869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:57:14,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 4121 Invalid, 3869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3748 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 13:57:14,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2023-12-02 13:57:14,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3328. [2023-12-02 13:57:14,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3328 states, 3316 states have (on average 1.9318455971049457) internal successors, (6406), 3327 states have internal predecessors, (6406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 6406 transitions. [2023-12-02 13:57:14,418 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 6406 transitions. Word has length 163 [2023-12-02 13:57:14,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:57:14,418 INFO L495 AbstractCegarLoop]: Abstraction has 3328 states and 6406 transitions. [2023-12-02 13:57:14,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 6406 transitions. [2023-12-02 13:57:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:57:14,420 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:57:14,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:57:14,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2023-12-02 13:57:14,420 INFO L420 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:57:14,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:57:14,420 INFO L85 PathProgramCache]: Analyzing trace with hash -791859063, now seen corresponding path program 102 times [2023-12-02 13:57:14,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:57:14,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747259799] [2023-12-02 13:57:14,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:57:14,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:57:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:57:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:57:15,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:57:15,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747259799] [2023-12-02 13:57:15,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747259799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:57:15,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:57:15,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-02 13:57:15,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198474342] [2023-12-02 13:57:15,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:57:15,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-02 13:57:15,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:57:15,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-02 13:57:15,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2023-12-02 13:57:15,642 INFO L87 Difference]: Start difference. First operand 3328 states and 6406 transitions. Second operand has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:19,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:57:19,184 INFO L93 Difference]: Finished difference Result 4444 states and 8623 transitions. [2023-12-02 13:57:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-12-02 13:57:19,184 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:57:19,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:57:19,191 INFO L225 Difference]: With dead ends: 4444 [2023-12-02 13:57:19,192 INFO L226 Difference]: Without dead ends: 4444 [2023-12-02 13:57:19,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1959 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=839, Invalid=6301, Unknown=0, NotChecked=0, Total=7140 [2023-12-02 13:57:19,192 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 1346 mSDsluCounter, 3597 mSDsCounter, 0 mSdLazyCounter, 3776 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 3903 SdHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 3776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:57:19,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1346 Valid, 3903 Invalid, 3868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 3776 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:57:19,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4444 states. [2023-12-02 13:57:19,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4444 to 3412. [2023-12-02 13:57:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3412 states, 3400 states have (on average 1.9347058823529413) internal successors, (6578), 3411 states have internal predecessors, (6578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3412 states to 3412 states and 6578 transitions. [2023-12-02 13:57:19,241 INFO L78 Accepts]: Start accepts. Automaton has 3412 states and 6578 transitions. Word has length 163 [2023-12-02 13:57:19,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:57:19,242 INFO L495 AbstractCegarLoop]: Abstraction has 3412 states and 6578 transitions. [2023-12-02 13:57:19,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.269230769230769) internal successors, (163), 27 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:19,242 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 6578 transitions. [2023-12-02 13:57:19,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:57:19,243 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:57:19,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:57:19,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2023-12-02 13:57:19,244 INFO L420 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:57:19,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:57:19,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1277859355, now seen corresponding path program 26 times [2023-12-02 13:57:19,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:57:19,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28363959] [2023-12-02 13:57:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:57:19,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:57:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:57:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:57:20,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:57:20,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28363959] [2023-12-02 13:57:20,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28363959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:57:20,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:57:20,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:57:20,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036350912] [2023-12-02 13:57:20,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:57:20,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:57:20,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:57:20,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:57:20,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:57:20,680 INFO L87 Difference]: Start difference. First operand 3412 states and 6578 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:24,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:57:24,034 INFO L93 Difference]: Finished difference Result 4231 states and 8199 transitions. [2023-12-02 13:57:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-12-02 13:57:24,034 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:57:24,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:57:24,039 INFO L225 Difference]: With dead ends: 4231 [2023-12-02 13:57:24,039 INFO L226 Difference]: Without dead ends: 4231 [2023-12-02 13:57:24,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1932 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=810, Invalid=6330, Unknown=0, NotChecked=0, Total=7140 [2023-12-02 13:57:24,040 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 1263 mSDsluCounter, 4305 mSDsCounter, 0 mSdLazyCounter, 4281 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 4675 SdHoareTripleChecker+Invalid, 4346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 4281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:57:24,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 4675 Invalid, 4346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 4281 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:57:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4231 states. [2023-12-02 13:57:24,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4231 to 3316. [2023-12-02 13:57:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 3304 states have (on average 1.931598062953995) internal successors, (6382), 3315 states have internal predecessors, (6382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 6382 transitions. [2023-12-02 13:57:24,089 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 6382 transitions. Word has length 163 [2023-12-02 13:57:24,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:57:24,089 INFO L495 AbstractCegarLoop]: Abstraction has 3316 states and 6382 transitions. [2023-12-02 13:57:24,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 6382 transitions. [2023-12-02 13:57:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:57:24,091 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:57:24,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:57:24,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2023-12-02 13:57:24,091 INFO L420 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:57:24,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:57:24,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1491690727, now seen corresponding path program 103 times [2023-12-02 13:57:24,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:57:24,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969958134] [2023-12-02 13:57:24,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:57:24,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:57:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:57:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:57:25,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:57:25,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969958134] [2023-12-02 13:57:25,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969958134] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:57:25,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:57:25,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:57:25,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380051766] [2023-12-02 13:57:25,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:57:25,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:57:25,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:57:25,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:57:25,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:57:25,734 INFO L87 Difference]: Start difference. First operand 3316 states and 6382 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:30,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:57:30,145 INFO L93 Difference]: Finished difference Result 4734 states and 9174 transitions. [2023-12-02 13:57:30,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-12-02 13:57:30,146 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2023-12-02 13:57:30,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:57:30,152 INFO L225 Difference]: With dead ends: 4734 [2023-12-02 13:57:30,152 INFO L226 Difference]: Without dead ends: 4734 [2023-12-02 13:57:30,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1754 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=791, Invalid=5215, Unknown=0, NotChecked=0, Total=6006 [2023-12-02 13:57:30,153 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 1952 mSDsluCounter, 4240 mSDsCounter, 0 mSdLazyCounter, 4367 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 4545 SdHoareTripleChecker+Invalid, 4523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 4367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:57:30,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 4545 Invalid, 4523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 4367 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 13:57:30,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4734 states. [2023-12-02 13:57:30,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4734 to 3309. [2023-12-02 13:57:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3309 states, 3297 states have (on average 1.932666060054595) internal successors, (6372), 3308 states have internal predecessors, (6372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 3309 states and 6372 transitions. [2023-12-02 13:57:30,200 INFO L78 Accepts]: Start accepts. Automaton has 3309 states and 6372 transitions. Word has length 163 [2023-12-02 13:57:30,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:57:30,201 INFO L495 AbstractCegarLoop]: Abstraction has 3309 states and 6372 transitions. [2023-12-02 13:57:30,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:57:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3309 states and 6372 transitions. [2023-12-02 13:57:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-02 13:57:30,202 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:57:30,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:57:30,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2023-12-02 13:57:30,203 INFO L420 AbstractCegarLoop]: === Iteration 162 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-12-02 13:57:30,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:57:30,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1005690435, now seen corresponding path program 27 times [2023-12-02 13:57:30,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:57:30,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474302011] [2023-12-02 13:57:30,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:57:30,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:57:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:57:31,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:57:31,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:57:31,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474302011] [2023-12-02 13:57:31,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474302011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:57:31,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:57:31,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-02 13:57:31,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580860287] [2023-12-02 13:57:31,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:57:31,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-02 13:57:31,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:57:31,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-02 13:57:31,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:57:31,792 INFO L87 Difference]: Start difference. First operand 3309 states and 6372 transitions. Second operand has 25 states, 24 states have (on average 6.791666666666667) internal successors, (163), 25 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)