./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-6-racy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6-racy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje --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 4c475d56613186560380fd7710c1a393bef46e366024d2f60e26aa83cc625627 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:34:10,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:34:10,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 06:34:10,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:34:10,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:34:10,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:34:10,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:34:10,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:34:10,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:34:10,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:34:10,193 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:34:10,193 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:34:10,193 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:34:10,194 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:34:10,194 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:34:10,197 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:34:10,197 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:34:10,198 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:34:10,198 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:34:10,199 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:34:10,199 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:34:10,200 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:34:10,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:34:10,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:34:10,205 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:34:10,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:34:10,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:34:10,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:34:10,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:34:10,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:34:10,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:34:10,207 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:34:10,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:34:10,209 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:34:10,209 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:34:10,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:34:10,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:34:10,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:34:10,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:34:10,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:10,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:34:10,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:34:10,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:34:10,213 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:34:10,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:34:10,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:34:10,214 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:34:10,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:34:10,215 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_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c475d56613186560380fd7710c1a393bef46e366024d2f60e26aa83cc625627 [2024-11-09 06:34:10,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:34:10,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:34:10,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:34:10,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:34:10,633 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:34:10,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread/fib_unsafe-6-racy.i Unable to find full path for "g++" [2024-11-09 06:34:12,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:34:13,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:34:13,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/sv-benchmarks/c/pthread/fib_unsafe-6-racy.i [2024-11-09 06:34:13,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/data/f9635f056/1c66596141624040b3e62a5fb18f23d3/FLAG38c7f292e [2024-11-09 06:34:13,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/data/f9635f056/1c66596141624040b3e62a5fb18f23d3 [2024-11-09 06:34:13,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:34:13,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:34:13,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:34:13,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:34:13,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:34:13,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:13,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ade964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13, skipping insertion in model container [2024-11-09 06:34:13,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:13,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:34:13,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:34:13,769 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:34:13,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:34:13,914 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:34:13,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13 WrapperNode [2024-11-09 06:34:13,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:34:13,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:34:13,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:34:13,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:34:13,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:13,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:13,966 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2024-11-09 06:34:13,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:34:13,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:34:13,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:34:13,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:34:13,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:13,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:13,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:13,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:13,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:13,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:13,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:14,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:14,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:34:14,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:34:14,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:34:14,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:34:14,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (1/1) ... [2024-11-09 06:34:14,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:34:14,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:34:14,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:34:14,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b46a245-b72b-4999-991b-26f680e0945a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:34:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-09 06:34:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-09 06:34:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-09 06:34:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-09 06:34:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 06:34:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:34:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:34:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 06:34:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:34:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:34:14,118 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:34:14,283 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:34:14,286 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:34:14,668 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:34:14,668 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:34:14,743 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:34:14,743 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 06:34:14,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:14 BoogieIcfgContainer [2024-11-09 06:34:14,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:34:14,747 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:34:14,747 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:34:14,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:34:14,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:34:13" (1/3) ... [2024-11-09 06:34:14,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dde7b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:14, skipping insertion in model container [2024-11-09 06:34:14,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:34:13" (2/3) ... [2024-11-09 06:34:14,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dde7b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:34:14, skipping insertion in model container [2024-11-09 06:34:14,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:34:14" (3/3) ... [2024-11-09 06:34:14,755 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-6-racy.i [2024-11-09 06:34:14,776 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:34:14,776 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-09 06:34:14,777 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:34:14,866 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:34:14,911 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 186 places, 188 transitions, 384 flow [2024-11-09 06:34:18,702 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 73235 states, 72274 states have (on average 3.1515067659185876) internal successors, (227772), 73234 states have internal predecessors, (227772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:18,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:34:18,918 INFO L333 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, 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;@3f1c1642, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:34:18,922 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-09 06:34:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 73235 states, 72274 states have (on average 3.1515067659185876) internal successors, (227772), 73234 states have internal predecessors, (227772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:19,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 06:34:19,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:19,154 INFO L215 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] [2024-11-09 06:34:19,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:19,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:19,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1312725550, now seen corresponding path program 1 times [2024-11-09 06:34:19,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:19,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922589306] [2024-11-09 06:34:19,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:19,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:19,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:19,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922589306] [2024-11-09 06:34:19,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922589306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:19,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:19,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 06:34:19,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749802069] [2024-11-09 06:34:19,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:19,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:34:19,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:19,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:34:19,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:34:19,690 INFO L87 Difference]: Start difference. First operand has 73235 states, 72274 states have (on average 3.1515067659185876) internal successors, (227772), 73234 states have internal predecessors, (227772), 0 states have call successors, (0), 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 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:21,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:21,890 INFO L93 Difference]: Finished difference Result 101501 states and 319117 transitions. [2024-11-09 06:34:21,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:34:21,896 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2024-11-09 06:34:21,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:22,768 INFO L225 Difference]: With dead ends: 101501 [2024-11-09 06:34:22,769 INFO L226 Difference]: Without dead ends: 57526 [2024-11-09 06:34:22,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:34:22,909 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:22,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:23,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57526 states. [2024-11-09 06:34:25,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57526 to 57526. [2024-11-09 06:34:25,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57526 states, 57128 states have (on average 3.028900014003641) internal successors, (173035), 57525 states have internal predecessors, (173035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57526 states to 57526 states and 173035 transitions. [2024-11-09 06:34:26,447 INFO L78 Accepts]: Start accepts. Automaton has 57526 states and 173035 transitions. Word has length 22 [2024-11-09 06:34:26,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:26,448 INFO L471 AbstractCegarLoop]: Abstraction has 57526 states and 173035 transitions. [2024-11-09 06:34:26,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 22.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:26,450 INFO L276 IsEmpty]: Start isEmpty. Operand 57526 states and 173035 transitions. [2024-11-09 06:34:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 06:34:26,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:26,453 INFO L215 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] [2024-11-09 06:34:26,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:34:26,455 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:26,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash 547883607, now seen corresponding path program 1 times [2024-11-09 06:34:26,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:26,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505083058] [2024-11-09 06:34:26,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:26,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:26,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:26,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505083058] [2024-11-09 06:34:26,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505083058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:26,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:26,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:26,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701315406] [2024-11-09 06:34:26,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:26,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:26,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:26,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:26,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:26,635 INFO L87 Difference]: Start difference. First operand 57526 states and 173035 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:27,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:27,477 INFO L93 Difference]: Finished difference Result 57526 states and 173035 transitions. [2024-11-09 06:34:27,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:27,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2024-11-09 06:34:27,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:28,525 INFO L225 Difference]: With dead ends: 57526 [2024-11-09 06:34:28,525 INFO L226 Difference]: Without dead ends: 55310 [2024-11-09 06:34:28,564 INFO L431 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 [2024-11-09 06:34:28,567 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 119 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:28,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 430 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:28,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55310 states. [2024-11-09 06:34:30,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55310 to 55310. [2024-11-09 06:34:30,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55310 states, 54992 states have (on average 3.0252945883037534) internal successors, (166367), 55309 states have internal predecessors, (166367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55310 states to 55310 states and 166367 transitions. [2024-11-09 06:34:31,093 INFO L78 Accepts]: Start accepts. Automaton has 55310 states and 166367 transitions. Word has length 32 [2024-11-09 06:34:31,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:31,094 INFO L471 AbstractCegarLoop]: Abstraction has 55310 states and 166367 transitions. [2024-11-09 06:34:31,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:31,094 INFO L276 IsEmpty]: Start isEmpty. Operand 55310 states and 166367 transitions. [2024-11-09 06:34:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 06:34:31,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:31,096 INFO L215 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] [2024-11-09 06:34:31,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:34:31,097 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:31,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:31,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1125317834, now seen corresponding path program 1 times [2024-11-09 06:34:31,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:31,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963370151] [2024-11-09 06:34:31,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:31,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:31,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:31,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963370151] [2024-11-09 06:34:31,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963370151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:31,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:31,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:31,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859636096] [2024-11-09 06:34:31,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:31,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:31,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:31,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:31,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:31,175 INFO L87 Difference]: Start difference. First operand 55310 states and 166367 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:31,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:31,781 INFO L93 Difference]: Finished difference Result 55310 states and 166367 transitions. [2024-11-09 06:34:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:31,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2024-11-09 06:34:31,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:32,174 INFO L225 Difference]: With dead ends: 55310 [2024-11-09 06:34:32,174 INFO L226 Difference]: Without dead ends: 50878 [2024-11-09 06:34:32,226 INFO L431 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 [2024-11-09 06:34:32,229 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 128 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:32,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 422 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:32,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50878 states. [2024-11-09 06:34:34,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50878 to 50878. [2024-11-09 06:34:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50878 states, 50720 states have (on average 3.0171727129337538) internal successors, (153031), 50877 states have internal predecessors, (153031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50878 states to 50878 states and 153031 transitions. [2024-11-09 06:34:35,261 INFO L78 Accepts]: Start accepts. Automaton has 50878 states and 153031 transitions. Word has length 35 [2024-11-09 06:34:35,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:35,261 INFO L471 AbstractCegarLoop]: Abstraction has 50878 states and 153031 transitions. [2024-11-09 06:34:35,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:35,262 INFO L276 IsEmpty]: Start isEmpty. Operand 50878 states and 153031 transitions. [2024-11-09 06:34:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 06:34:35,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:35,264 INFO L215 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] [2024-11-09 06:34:35,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:34:35,265 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:35,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:35,266 INFO L85 PathProgramCache]: Analyzing trace with hash -413067327, now seen corresponding path program 1 times [2024-11-09 06:34:35,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:35,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644895023] [2024-11-09 06:34:35,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:35,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:35,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:35,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644895023] [2024-11-09 06:34:35,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644895023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:35,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:35,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:35,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547846664] [2024-11-09 06:34:35,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:35,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:35,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:35,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:35,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:35,341 INFO L87 Difference]: Start difference. First operand 50878 states and 153031 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:35,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:35,784 INFO L93 Difference]: Finished difference Result 50878 states and 153031 transitions. [2024-11-09 06:34:35,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:35,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2024-11-09 06:34:35,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:36,044 INFO L225 Difference]: With dead ends: 50878 [2024-11-09 06:34:36,044 INFO L226 Difference]: Without dead ends: 48923 [2024-11-09 06:34:36,077 INFO L431 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 [2024-11-09 06:34:36,078 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 110 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:36,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 416 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:36,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48923 states. [2024-11-09 06:34:37,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48923 to 48923. [2024-11-09 06:34:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48923 states, 48797 states have (on average 3.015410783449802) internal successors, (147143), 48922 states have internal predecessors, (147143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48923 states to 48923 states and 147143 transitions. [2024-11-09 06:34:37,842 INFO L78 Accepts]: Start accepts. Automaton has 48923 states and 147143 transitions. Word has length 38 [2024-11-09 06:34:37,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:37,843 INFO L471 AbstractCegarLoop]: Abstraction has 48923 states and 147143 transitions. [2024-11-09 06:34:37,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:37,843 INFO L276 IsEmpty]: Start isEmpty. Operand 48923 states and 147143 transitions. [2024-11-09 06:34:37,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 06:34:37,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:37,847 INFO L215 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] [2024-11-09 06:34:37,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:34:37,847 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:37,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:37,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1987481941, now seen corresponding path program 1 times [2024-11-09 06:34:37,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:37,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051364223] [2024-11-09 06:34:37,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:37,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:37,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:37,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051364223] [2024-11-09 06:34:37,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051364223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:37,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:37,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:37,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141740271] [2024-11-09 06:34:37,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:37,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:37,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:37,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:37,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:37,922 INFO L87 Difference]: Start difference. First operand 48923 states and 147143 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:38,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:38,790 INFO L93 Difference]: Finished difference Result 48923 states and 147143 transitions. [2024-11-09 06:34:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:38,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2024-11-09 06:34:38,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:39,027 INFO L225 Difference]: With dead ends: 48923 [2024-11-09 06:34:39,027 INFO L226 Difference]: Without dead ends: 48348 [2024-11-09 06:34:39,047 INFO L431 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 [2024-11-09 06:34:39,048 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 49 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:39,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 350 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:34:39,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48348 states. [2024-11-09 06:34:40,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48348 to 48348. [2024-11-09 06:34:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48348 states, 48230 states have (on average 3.0150943396226415) internal successors, (145418), 48347 states have internal predecessors, (145418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48348 states to 48348 states and 145418 transitions. [2024-11-09 06:34:40,855 INFO L78 Accepts]: Start accepts. Automaton has 48348 states and 145418 transitions. Word has length 41 [2024-11-09 06:34:40,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:40,856 INFO L471 AbstractCegarLoop]: Abstraction has 48348 states and 145418 transitions. [2024-11-09 06:34:40,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 48348 states and 145418 transitions. [2024-11-09 06:34:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 06:34:40,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:40,867 INFO L215 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] [2024-11-09 06:34:40,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:34:40,868 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:40,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:40,868 INFO L85 PathProgramCache]: Analyzing trace with hash -606899330, now seen corresponding path program 1 times [2024-11-09 06:34:40,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:40,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086687698] [2024-11-09 06:34:40,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:40,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:40,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:40,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086687698] [2024-11-09 06:34:40,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086687698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:40,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:40,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:40,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688912255] [2024-11-09 06:34:40,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:40,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:40,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:40,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:40,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:40,988 INFO L87 Difference]: Start difference. First operand 48348 states and 145418 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:41,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:41,435 INFO L93 Difference]: Finished difference Result 48348 states and 145418 transitions. [2024-11-09 06:34:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:41,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2024-11-09 06:34:41,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:42,362 INFO L225 Difference]: With dead ends: 48348 [2024-11-09 06:34:42,366 INFO L226 Difference]: Without dead ends: 44484 [2024-11-09 06:34:42,399 INFO L431 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 [2024-11-09 06:34:42,400 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 118 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:42,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 405 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44484 states. [2024-11-09 06:34:43,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44484 to 44484. [2024-11-09 06:34:43,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44484 states, 44426 states have (on average 3.011299689371089) internal successors, (133780), 44483 states have internal predecessors, (133780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:43,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44484 states to 44484 states and 133780 transitions. [2024-11-09 06:34:43,488 INFO L78 Accepts]: Start accepts. Automaton has 44484 states and 133780 transitions. Word has length 41 [2024-11-09 06:34:44,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:44,016 INFO L471 AbstractCegarLoop]: Abstraction has 44484 states and 133780 transitions. [2024-11-09 06:34:44,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 44484 states and 133780 transitions. [2024-11-09 06:34:44,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 06:34:44,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:44,019 INFO L215 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] [2024-11-09 06:34:44,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:34:44,019 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:44,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:44,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1344962317, now seen corresponding path program 1 times [2024-11-09 06:34:44,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:44,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44344866] [2024-11-09 06:34:44,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:44,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:44,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:44,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44344866] [2024-11-09 06:34:44,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44344866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:44,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:44,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:44,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180459075] [2024-11-09 06:34:44,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:44,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:44,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:44,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:44,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:44,123 INFO L87 Difference]: Start difference. First operand 44484 states and 133780 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:44,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:44,501 INFO L93 Difference]: Finished difference Result 44484 states and 133780 transitions. [2024-11-09 06:34:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:44,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2024-11-09 06:34:44,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:44,706 INFO L225 Difference]: With dead ends: 44484 [2024-11-09 06:34:44,706 INFO L226 Difference]: Without dead ends: 43426 [2024-11-09 06:34:44,731 INFO L431 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 [2024-11-09 06:34:44,732 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 113 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:44,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 280 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:44,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43426 states. [2024-11-09 06:34:45,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43426 to 43426. [2024-11-09 06:34:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43426 states, 43376 states have (on average 3.0110199188491333) internal successors, (130606), 43425 states have internal predecessors, (130606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43426 states to 43426 states and 130606 transitions. [2024-11-09 06:34:46,102 INFO L78 Accepts]: Start accepts. Automaton has 43426 states and 130606 transitions. Word has length 44 [2024-11-09 06:34:46,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:46,103 INFO L471 AbstractCegarLoop]: Abstraction has 43426 states and 130606 transitions. [2024-11-09 06:34:46,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 43426 states and 130606 transitions. [2024-11-09 06:34:46,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 06:34:46,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:46,106 INFO L215 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] [2024-11-09 06:34:46,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:34:46,107 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:46,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:46,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1572796447, now seen corresponding path program 1 times [2024-11-09 06:34:46,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:46,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672006166] [2024-11-09 06:34:46,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:46,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:46,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:46,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672006166] [2024-11-09 06:34:46,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672006166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:46,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:46,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:46,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929051905] [2024-11-09 06:34:46,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:46,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:46,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:46,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:46,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:46,190 INFO L87 Difference]: Start difference. First operand 43426 states and 130606 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:46,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:46,534 INFO L93 Difference]: Finished difference Result 43426 states and 130606 transitions. [2024-11-09 06:34:46,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:46,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2024-11-09 06:34:46,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:46,739 INFO L225 Difference]: With dead ends: 43426 [2024-11-09 06:34:46,740 INFO L226 Difference]: Without dead ends: 40793 [2024-11-09 06:34:46,760 INFO L431 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 [2024-11-09 06:34:47,171 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 114 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:47,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 408 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:47,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40793 states. [2024-11-09 06:34:48,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40793 to 40793. [2024-11-09 06:34:48,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40793 states, 40769 states have (on average 3.0079962716770097) internal successors, (122633), 40792 states have internal predecessors, (122633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40793 states to 40793 states and 122633 transitions. [2024-11-09 06:34:48,588 INFO L78 Accepts]: Start accepts. Automaton has 40793 states and 122633 transitions. Word has length 44 [2024-11-09 06:34:48,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:48,589 INFO L471 AbstractCegarLoop]: Abstraction has 40793 states and 122633 transitions. [2024-11-09 06:34:48,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 40793 states and 122633 transitions. [2024-11-09 06:34:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 06:34:48,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:48,593 INFO L215 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] [2024-11-09 06:34:48,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:34:48,594 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:48,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:48,595 INFO L85 PathProgramCache]: Analyzing trace with hash 22835821, now seen corresponding path program 1 times [2024-11-09 06:34:48,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:48,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779800656] [2024-11-09 06:34:48,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:48,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:48,673 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:48,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779800656] [2024-11-09 06:34:48,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779800656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:48,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:48,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:34:48,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138876923] [2024-11-09 06:34:48,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:48,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:48,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:48,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:48,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:48,678 INFO L87 Difference]: Start difference. First operand 40793 states and 122633 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:49,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:49,956 INFO L93 Difference]: Finished difference Result 73837 states and 222205 transitions. [2024-11-09 06:34:49,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:49,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-09 06:34:49,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:50,224 INFO L225 Difference]: With dead ends: 73837 [2024-11-09 06:34:50,224 INFO L226 Difference]: Without dead ends: 59515 [2024-11-09 06:34:50,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:50,271 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 101 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:50,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 280 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:50,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59515 states. [2024-11-09 06:34:51,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59515 to 42311. [2024-11-09 06:34:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42311 states, 42287 states have (on average 3.0077092250573463) internal successors, (127187), 42310 states have internal predecessors, (127187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42311 states to 42311 states and 127187 transitions. [2024-11-09 06:34:52,254 INFO L78 Accepts]: Start accepts. Automaton has 42311 states and 127187 transitions. Word has length 47 [2024-11-09 06:34:52,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:52,255 INFO L471 AbstractCegarLoop]: Abstraction has 42311 states and 127187 transitions. [2024-11-09 06:34:52,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:52,255 INFO L276 IsEmpty]: Start isEmpty. Operand 42311 states and 127187 transitions. [2024-11-09 06:34:52,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 06:34:52,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:52,259 INFO L215 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] [2024-11-09 06:34:52,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:34:52,259 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:52,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:52,260 INFO L85 PathProgramCache]: Analyzing trace with hash 22835276, now seen corresponding path program 1 times [2024-11-09 06:34:52,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:52,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509089299] [2024-11-09 06:34:52,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:52,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:52,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:52,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509089299] [2024-11-09 06:34:52,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509089299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:52,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:52,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:52,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342445167] [2024-11-09 06:34:52,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:52,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:52,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:52,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:52,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:52,316 INFO L87 Difference]: Start difference. First operand 42311 states and 127187 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:53,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:53,277 INFO L93 Difference]: Finished difference Result 42311 states and 127187 transitions. [2024-11-09 06:34:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:53,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-09 06:34:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:53,521 INFO L225 Difference]: With dead ends: 42311 [2024-11-09 06:34:53,521 INFO L226 Difference]: Without dead ends: 41299 [2024-11-09 06:34:53,532 INFO L431 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 [2024-11-09 06:34:53,533 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 88 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:53,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 299 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:53,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41299 states. [2024-11-09 06:34:54,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41299 to 41299. [2024-11-09 06:34:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41299 states, 41279 states have (on average 3.007606773419899) internal successors, (124151), 41298 states have internal predecessors, (124151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41299 states to 41299 states and 124151 transitions. [2024-11-09 06:34:55,028 INFO L78 Accepts]: Start accepts. Automaton has 41299 states and 124151 transitions. Word has length 47 [2024-11-09 06:34:55,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:55,029 INFO L471 AbstractCegarLoop]: Abstraction has 41299 states and 124151 transitions. [2024-11-09 06:34:55,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 41299 states and 124151 transitions. [2024-11-09 06:34:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 06:34:55,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:55,035 INFO L215 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] [2024-11-09 06:34:55,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:34:55,035 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:55,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:55,036 INFO L85 PathProgramCache]: Analyzing trace with hash 469878906, now seen corresponding path program 1 times [2024-11-09 06:34:55,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:55,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296510544] [2024-11-09 06:34:55,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:55,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:55,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:55,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296510544] [2024-11-09 06:34:55,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296510544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:55,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:55,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:55,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858019853] [2024-11-09 06:34:55,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:55,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:55,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:55,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:55,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:55,105 INFO L87 Difference]: Start difference. First operand 41299 states and 124151 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:55,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:55,776 INFO L93 Difference]: Finished difference Result 41299 states and 124151 transitions. [2024-11-09 06:34:55,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:55,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2024-11-09 06:34:55,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:56,016 INFO L225 Difference]: With dead ends: 41299 [2024-11-09 06:34:56,016 INFO L226 Difference]: Without dead ends: 40287 [2024-11-09 06:34:56,036 INFO L431 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 [2024-11-09 06:34:56,036 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 64 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:56,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 319 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:56,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40287 states. [2024-11-09 06:34:57,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40287 to 40287. [2024-11-09 06:34:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40287 states, 40271 states have (on average 3.0074991929676442) internal successors, (121115), 40286 states have internal predecessors, (121115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40287 states to 40287 states and 121115 transitions. [2024-11-09 06:34:57,522 INFO L78 Accepts]: Start accepts. Automaton has 40287 states and 121115 transitions. Word has length 49 [2024-11-09 06:34:57,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:57,522 INFO L471 AbstractCegarLoop]: Abstraction has 40287 states and 121115 transitions. [2024-11-09 06:34:57,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand 40287 states and 121115 transitions. [2024-11-09 06:34:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 06:34:57,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:57,527 INFO L215 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] [2024-11-09 06:34:57,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:34:57,527 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:57,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:57,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1938967755, now seen corresponding path program 1 times [2024-11-09 06:34:57,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:57,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576186617] [2024-11-09 06:34:57,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:57,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:57,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:57,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:57,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576186617] [2024-11-09 06:34:57,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576186617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:57,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:57,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:57,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034724208] [2024-11-09 06:34:57,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:57,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:57,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:57,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:57,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:57,576 INFO L87 Difference]: Start difference. First operand 40287 states and 121115 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:58,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:58,344 INFO L93 Difference]: Finished difference Result 40287 states and 121115 transitions. [2024-11-09 06:34:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:58,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-09 06:34:58,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:34:58,480 INFO L225 Difference]: With dead ends: 40287 [2024-11-09 06:34:58,480 INFO L226 Difference]: Without dead ends: 33071 [2024-11-09 06:34:58,497 INFO L431 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 [2024-11-09 06:34:58,497 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 103 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:34:58,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 388 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:34:58,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33071 states. [2024-11-09 06:34:59,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33071 to 33071. [2024-11-09 06:34:59,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33071 states, 33064 states have (on average 2.995009678199855) internal successors, (99027), 33070 states have internal predecessors, (99027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:59,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33071 states to 33071 states and 99027 transitions. [2024-11-09 06:34:59,332 INFO L78 Accepts]: Start accepts. Automaton has 33071 states and 99027 transitions. Word has length 50 [2024-11-09 06:34:59,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:34:59,333 INFO L471 AbstractCegarLoop]: Abstraction has 33071 states and 99027 transitions. [2024-11-09 06:34:59,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:34:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 33071 states and 99027 transitions. [2024-11-09 06:34:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 06:34:59,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:34:59,340 INFO L215 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] [2024-11-09 06:34:59,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:34:59,341 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:34:59,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:34:59,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1030585671, now seen corresponding path program 1 times [2024-11-09 06:34:59,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:34:59,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942172298] [2024-11-09 06:34:59,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:34:59,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:34:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:34:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:34:59,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:34:59,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942172298] [2024-11-09 06:34:59,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942172298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:34:59,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:34:59,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:34:59,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688181473] [2024-11-09 06:34:59,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:34:59,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:34:59,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:34:59,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:34:59,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:34:59,414 INFO L87 Difference]: Start difference. First operand 33071 states and 99027 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) [2024-11-09 06:34:59,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:34:59,982 INFO L93 Difference]: Finished difference Result 33071 states and 99027 transitions. [2024-11-09 06:34:59,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:34:59,982 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 [2024-11-09 06:34:59,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:00,130 INFO L225 Difference]: With dead ends: 33071 [2024-11-09 06:35:00,130 INFO L226 Difference]: Without dead ends: 32587 [2024-11-09 06:35:00,143 INFO L431 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 [2024-11-09 06:35:00,144 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 45 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:00,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 302 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:35:00,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32587 states. [2024-11-09 06:35:01,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32587 to 32587. [2024-11-09 06:35:01,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32587 states, 32581 states have (on average 2.994843620515024) internal successors, (97575), 32586 states have internal predecessors, (97575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32587 states to 32587 states and 97575 transitions. [2024-11-09 06:35:01,334 INFO L78 Accepts]: Start accepts. Automaton has 32587 states and 97575 transitions. Word has length 53 [2024-11-09 06:35:01,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:01,334 INFO L471 AbstractCegarLoop]: Abstraction has 32587 states and 97575 transitions. [2024-11-09 06:35:01,335 INFO L472 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) [2024-11-09 06:35:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 32587 states and 97575 transitions. [2024-11-09 06:35:01,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 06:35:01,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:01,345 INFO L215 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] [2024-11-09 06:35:01,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:35:01,345 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:35:01,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:01,346 INFO L85 PathProgramCache]: Analyzing trace with hash -684023188, now seen corresponding path program 1 times [2024-11-09 06:35:01,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:35:01,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456399570] [2024-11-09 06:35:01,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:01,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:35:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:35:01,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:35:01,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456399570] [2024-11-09 06:35:01,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456399570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:01,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:35:01,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:35:01,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500086218] [2024-11-09 06:35:01,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:01,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:35:01,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:35:01,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:35:01,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:35:01,396 INFO L87 Difference]: Start difference. First operand 32587 states and 97575 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:01,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:01,866 INFO L93 Difference]: Finished difference Result 32587 states and 97575 transitions. [2024-11-09 06:35:01,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:35:01,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2024-11-09 06:35:01,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:02,019 INFO L225 Difference]: With dead ends: 32587 [2024-11-09 06:35:02,020 INFO L226 Difference]: Without dead ends: 32103 [2024-11-09 06:35:02,033 INFO L431 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 [2024-11-09 06:35:02,034 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 45 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:02,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 299 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:35:02,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32103 states. [2024-11-09 06:35:03,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32103 to 32103. [2024-11-09 06:35:03,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32103 states, 32098 states have (on average 2.994672565268864) internal successors, (96123), 32102 states have internal predecessors, (96123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32103 states to 32103 states and 96123 transitions. [2024-11-09 06:35:03,247 INFO L78 Accepts]: Start accepts. Automaton has 32103 states and 96123 transitions. Word has length 60 [2024-11-09 06:35:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:03,248 INFO L471 AbstractCegarLoop]: Abstraction has 32103 states and 96123 transitions. [2024-11-09 06:35:03,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 32103 states and 96123 transitions. [2024-11-09 06:35:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 06:35:03,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:03,260 INFO L215 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] [2024-11-09 06:35:03,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:35:03,260 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:35:03,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:03,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1885469575, now seen corresponding path program 1 times [2024-11-09 06:35:03,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:35:03,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618090097] [2024-11-09 06:35:03,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:03,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:35:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:35:03,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:35:03,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618090097] [2024-11-09 06:35:03,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618090097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:03,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:35:03,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:35:03,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466596388] [2024-11-09 06:35:03,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:03,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:35:03,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:35:03,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:35:03,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:35:03,304 INFO L87 Difference]: Start difference. First operand 32103 states and 96123 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:03,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:03,728 INFO L93 Difference]: Finished difference Result 35491 states and 106287 transitions. [2024-11-09 06:35:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:35:03,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-11-09 06:35:03,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:03,896 INFO L225 Difference]: With dead ends: 35491 [2024-11-09 06:35:03,896 INFO L226 Difference]: Without dead ends: 35007 [2024-11-09 06:35:03,911 INFO L431 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 [2024-11-09 06:35:03,912 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 86 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 281 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 [2024-11-09 06:35:03,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 281 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:35:03,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35007 states. [2024-11-09 06:35:05,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35007 to 31619. [2024-11-09 06:35:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31619 states, 31615 states have (on average 2.9944962834097737) internal successors, (94671), 31618 states have internal predecessors, (94671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31619 states to 31619 states and 94671 transitions. [2024-11-09 06:35:05,187 INFO L78 Accepts]: Start accepts. Automaton has 31619 states and 94671 transitions. Word has length 63 [2024-11-09 06:35:05,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:05,187 INFO L471 AbstractCegarLoop]: Abstraction has 31619 states and 94671 transitions. [2024-11-09 06:35:05,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 31619 states and 94671 transitions. [2024-11-09 06:35:05,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 06:35:05,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:05,202 INFO L215 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] [2024-11-09 06:35:05,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:35:05,202 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:35:05,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:05,203 INFO L85 PathProgramCache]: Analyzing trace with hash 821221772, now seen corresponding path program 1 times [2024-11-09 06:35:05,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:35:05,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149242860] [2024-11-09 06:35:05,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:05,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:35:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:35:05,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:35:05,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149242860] [2024-11-09 06:35:05,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149242860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:05,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:35:05,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:35:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176846889] [2024-11-09 06:35:05,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:05,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:35:05,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:35:05,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:35:05,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:35:05,248 INFO L87 Difference]: Start difference. First operand 31619 states and 94671 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:05,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:35:05,960 INFO L93 Difference]: Finished difference Result 31619 states and 94671 transitions. [2024-11-09 06:35:05,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:35:05,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-11-09 06:35:05,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:35:06,100 INFO L225 Difference]: With dead ends: 31619 [2024-11-09 06:35:06,100 INFO L226 Difference]: Without dead ends: 31135 [2024-11-09 06:35:06,108 INFO L431 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 [2024-11-09 06:35:06,109 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:35:06,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 295 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:35:06,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31135 states. [2024-11-09 06:35:06,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31135 to 31135. [2024-11-09 06:35:06,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31135 states, 31132 states have (on average 2.994314531671592) internal successors, (93219), 31134 states have internal predecessors, (93219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:06,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31135 states to 31135 states and 93219 transitions. [2024-11-09 06:35:06,904 INFO L78 Accepts]: Start accepts. Automaton has 31135 states and 93219 transitions. Word has length 67 [2024-11-09 06:35:06,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:35:06,905 INFO L471 AbstractCegarLoop]: Abstraction has 31135 states and 93219 transitions. [2024-11-09 06:35:06,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:35:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 31135 states and 93219 transitions. [2024-11-09 06:35:06,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 06:35:06,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:35:06,928 INFO L215 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] [2024-11-09 06:35:06,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:35:06,928 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-09 06:35:06,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:35:06,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1486328027, now seen corresponding path program 1 times [2024-11-09 06:35:06,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:35:06,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779146557] [2024-11-09 06:35:06,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:35:06,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:35:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:35:06,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:35:06,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:35:06,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779146557] [2024-11-09 06:35:06,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779146557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:35:06,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:35:06,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:35:06,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031419367] [2024-11-09 06:35:06,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:35:06,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:35:06,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:35:06,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:35:06,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:35:06,976 INFO L87 Difference]: Start difference. First operand 31135 states and 93219 transitions. Second operand has 3 states, 2 states have (on average 37.5) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)