./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:15:07,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:15:07,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 18:15:07,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:15:07,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:15:07,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:15:07,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:15:07,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:15:07,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:15:07,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:15:07,180 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:15:07,181 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:15:07,181 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:15:07,182 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:15:07,182 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:15:07,183 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:15:07,183 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:15:07,184 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:15:07,184 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:15:07,185 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:15:07,185 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:15:07,186 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:15:07,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:15:07,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:15:07,188 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:15:07,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:15:07,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:15:07,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:15:07,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:15:07,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:15:07,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:15:07,191 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 18:15:07,191 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 18:15:07,192 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:15:07,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:15:07,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:15:07,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:15:07,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:15:07,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:15:07,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:15:07,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:15:07,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:15:07,194 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:15:07,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:15:07,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:15:07,194 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:15:07,194 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:15:07,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:15:07,195 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_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe [2023-12-02 18:15:07,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:15:07,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:15:07,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:15:07,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:15:07,407 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:15:07,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-12-02 18:15:10,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:15:10,376 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:15:10,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-12-02 18:15:10,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/data/da2c0d942/7f1a3ec7b14b41debefb231b8bc53c0b/FLAG9d1b7ef69 [2023-12-02 18:15:10,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/data/da2c0d942/7f1a3ec7b14b41debefb231b8bc53c0b [2023-12-02 18:15:10,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:15:10,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:15:10,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:15:10,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:15:10,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:15:10,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f31471a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10, skipping insertion in model container [2023-12-02 18:15:10,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:15:10,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:15:10,642 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:15:10,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:15:10,696 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:15:10,696 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:15:10,704 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:15:10,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10 WrapperNode [2023-12-02 18:15:10,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:15:10,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:15:10,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:15:10,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:15:10,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,771 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 647 [2023-12-02 18:15:10,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:15:10,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:15:10,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:15:10,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:15:10,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:15:10,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:15:10,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:15:10,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:15:10,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (1/1) ... [2023-12-02 18:15:10,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:15:10,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:15:10,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:15:10,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:15:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:15:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 18:15:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 18:15:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 18:15:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 18:15:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 18:15:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 18:15:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 18:15:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 18:15:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 18:15:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:15:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 18:15:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 18:15:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 18:15:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:15:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:15:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 18:15:10,916 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 18:15:11,052 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:15:11,054 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:15:11,823 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:15:12,354 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:15:12,355 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 18:15:12,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:12 BoogieIcfgContainer [2023-12-02 18:15:12,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:15:12,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:15:12,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:15:12,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:15:12,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:15:10" (1/3) ... [2023-12-02 18:15:12,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25515f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:15:12, skipping insertion in model container [2023-12-02 18:15:12,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:10" (2/3) ... [2023-12-02 18:15:12,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25515f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:15:12, skipping insertion in model container [2023-12-02 18:15:12,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:12" (3/3) ... [2023-12-02 18:15:12,363 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring.wvr.c [2023-12-02 18:15:12,371 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 18:15:12,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:15:12,379 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2023-12-02 18:15:12,379 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 18:15:12,517 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-12-02 18:15:12,549 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 478 places, 490 transitions, 1001 flow [2023-12-02 18:15:24,278 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 497752 states, 474967 states have (on average 4.21075780001558) internal successors, (1999971), 497751 states have internal predecessors, (1999971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:24,295 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:15:24,300 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27af9697, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:15:24,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 162 error locations. [2023-12-02 18:15:24,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 497752 states, 474967 states have (on average 4.21075780001558) internal successors, (1999971), 497751 states have internal predecessors, (1999971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:24,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 18:15:24,873 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:24,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:24,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:24,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash -607752328, now seen corresponding path program 1 times [2023-12-02 18:15:24,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:24,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838336428] [2023-12-02 18:15:24,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:24,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:25,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:25,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838336428] [2023-12-02 18:15:25,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838336428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:25,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:25,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:25,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959990204] [2023-12-02 18:15:25,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:25,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:25,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:25,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:25,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:25,795 INFO L87 Difference]: Start difference. First operand has 497752 states, 474967 states have (on average 4.21075780001558) internal successors, (1999971), 497751 states have internal predecessors, (1999971), 0 states have call successors, (0), 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 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:27,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:27,269 INFO L93 Difference]: Finished difference Result 41221 states and 156558 transitions. [2023-12-02 18:15:27,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:27,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2023-12-02 18:15:27,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:27,621 INFO L225 Difference]: With dead ends: 41221 [2023-12-02 18:15:27,621 INFO L226 Difference]: Without dead ends: 41214 [2023-12-02 18:15:27,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:27,625 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 2 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:27,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 733 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:15:27,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41214 states. [2023-12-02 18:15:29,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41214 to 41214. [2023-12-02 18:15:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41214 states, 41180 states have (on average 3.8016270033997084) internal successors, (156551), 41213 states have internal predecessors, (156551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41214 states to 41214 states and 156551 transitions. [2023-12-02 18:15:29,531 INFO L78 Accepts]: Start accepts. Automaton has 41214 states and 156551 transitions. Word has length 31 [2023-12-02 18:15:29,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:29,532 INFO L495 AbstractCegarLoop]: Abstraction has 41214 states and 156551 transitions. [2023-12-02 18:15:29,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand 41214 states and 156551 transitions. [2023-12-02 18:15:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 18:15:29,534 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:29,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:29,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:15:29,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:29,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:29,535 INFO L85 PathProgramCache]: Analyzing trace with hash 832414295, now seen corresponding path program 1 times [2023-12-02 18:15:29,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:29,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128238746] [2023-12-02 18:15:29,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:29,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:29,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:29,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128238746] [2023-12-02 18:15:29,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128238746] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:29,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:29,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:29,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786933092] [2023-12-02 18:15:29,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:29,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:29,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:29,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:29,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:29,607 INFO L87 Difference]: Start difference. First operand 41214 states and 156551 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:30,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:30,453 INFO L93 Difference]: Finished difference Result 41213 states and 156550 transitions. [2023-12-02 18:15:30,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:30,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2023-12-02 18:15:30,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:30,665 INFO L225 Difference]: With dead ends: 41213 [2023-12-02 18:15:30,665 INFO L226 Difference]: Without dead ends: 41213 [2023-12-02 18:15:30,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:30,667 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 2 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:30,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 720 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:30,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41213 states. [2023-12-02 18:15:31,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41213 to 41213. [2023-12-02 18:15:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41213 states, 41180 states have (on average 3.801602719766877) internal successors, (156550), 41212 states have internal predecessors, (156550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41213 states to 41213 states and 156550 transitions. [2023-12-02 18:15:32,085 INFO L78 Accepts]: Start accepts. Automaton has 41213 states and 156550 transitions. Word has length 39 [2023-12-02 18:15:32,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:32,085 INFO L495 AbstractCegarLoop]: Abstraction has 41213 states and 156550 transitions. [2023-12-02 18:15:32,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand 41213 states and 156550 transitions. [2023-12-02 18:15:32,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 18:15:32,087 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:32,087 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:32,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 18:15:32,088 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:32,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:32,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1179302368, now seen corresponding path program 1 times [2023-12-02 18:15:32,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:32,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160408273] [2023-12-02 18:15:32,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:32,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:32,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:32,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160408273] [2023-12-02 18:15:32,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160408273] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:32,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:32,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:32,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992306912] [2023-12-02 18:15:32,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:32,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:32,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:32,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:32,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:32,155 INFO L87 Difference]: Start difference. First operand 41213 states and 156550 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) [2023-12-02 18:15:32,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:32,514 INFO L93 Difference]: Finished difference Result 41212 states and 156549 transitions. [2023-12-02 18:15:32,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:32,514 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 [2023-12-02 18:15:32,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:32,702 INFO L225 Difference]: With dead ends: 41212 [2023-12-02 18:15:32,702 INFO L226 Difference]: Without dead ends: 41212 [2023-12-02 18:15:32,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:32,704 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 2 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:32,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 718 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:33,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41212 states. [2023-12-02 18:15:33,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41212 to 41212. [2023-12-02 18:15:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41212 states, 41180 states have (on average 3.8015784361340454) internal successors, (156549), 41211 states have internal predecessors, (156549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41212 states to 41212 states and 156549 transitions. [2023-12-02 18:15:33,948 INFO L78 Accepts]: Start accepts. Automaton has 41212 states and 156549 transitions. Word has length 47 [2023-12-02 18:15:33,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:33,948 INFO L495 AbstractCegarLoop]: Abstraction has 41212 states and 156549 transitions. [2023-12-02 18:15:33,948 INFO L496 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) [2023-12-02 18:15:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 41212 states and 156549 transitions. [2023-12-02 18:15:33,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 18:15:33,950 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:33,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:33,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 18:15:33,950 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:33,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:33,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1313298899, now seen corresponding path program 1 times [2023-12-02 18:15:33,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:33,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545238228] [2023-12-02 18:15:33,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:33,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:34,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:34,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545238228] [2023-12-02 18:15:34,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545238228] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:34,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:34,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:34,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773749997] [2023-12-02 18:15:34,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:34,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:34,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:34,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:34,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:34,350 INFO L87 Difference]: Start difference. First operand 41212 states and 156549 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:34,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:34,671 INFO L93 Difference]: Finished difference Result 41211 states and 156548 transitions. [2023-12-02 18:15:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:34,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2023-12-02 18:15:34,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:34,829 INFO L225 Difference]: With dead ends: 41211 [2023-12-02 18:15:34,829 INFO L226 Difference]: Without dead ends: 41211 [2023-12-02 18:15:34,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:34,830 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 2 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:34,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 716 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:34,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41211 states. [2023-12-02 18:15:35,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41211 to 41211. [2023-12-02 18:15:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41211 states, 41180 states have (on average 3.801554152501214) internal successors, (156548), 41210 states have internal predecessors, (156548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41211 states to 41211 states and 156548 transitions. [2023-12-02 18:15:35,962 INFO L78 Accepts]: Start accepts. Automaton has 41211 states and 156548 transitions. Word has length 55 [2023-12-02 18:15:35,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:35,963 INFO L495 AbstractCegarLoop]: Abstraction has 41211 states and 156548 transitions. [2023-12-02 18:15:35,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 41211 states and 156548 transitions. [2023-12-02 18:15:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 18:15:35,964 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:35,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:35,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 18:15:35,964 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:35,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:35,964 INFO L85 PathProgramCache]: Analyzing trace with hash -936341345, now seen corresponding path program 1 times [2023-12-02 18:15:35,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:35,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997933898] [2023-12-02 18:15:35,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:35,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:36,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:36,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:36,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997933898] [2023-12-02 18:15:36,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997933898] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:36,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:36,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:36,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408400991] [2023-12-02 18:15:36,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:36,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:36,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:36,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:36,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:36,020 INFO L87 Difference]: Start difference. First operand 41211 states and 156548 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:36,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:36,274 INFO L93 Difference]: Finished difference Result 41210 states and 156547 transitions. [2023-12-02 18:15:36,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:36,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2023-12-02 18:15:36,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:36,414 INFO L225 Difference]: With dead ends: 41210 [2023-12-02 18:15:36,414 INFO L226 Difference]: Without dead ends: 41210 [2023-12-02 18:15:36,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:36,415 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 314 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:36,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 416 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:36,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41210 states. [2023-12-02 18:15:37,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41210 to 41210. [2023-12-02 18:15:37,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41210 states, 41180 states have (on average 3.8015298688683825) internal successors, (156547), 41209 states have internal predecessors, (156547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:37,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41210 states to 41210 states and 156547 transitions. [2023-12-02 18:15:37,911 INFO L78 Accepts]: Start accepts. Automaton has 41210 states and 156547 transitions. Word has length 59 [2023-12-02 18:15:37,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:37,912 INFO L495 AbstractCegarLoop]: Abstraction has 41210 states and 156547 transitions. [2023-12-02 18:15:37,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:37,912 INFO L276 IsEmpty]: Start isEmpty. Operand 41210 states and 156547 transitions. [2023-12-02 18:15:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 18:15:37,914 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:37,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:37,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 18:15:37,915 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:37,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:37,915 INFO L85 PathProgramCache]: Analyzing trace with hash -394600725, now seen corresponding path program 1 times [2023-12-02 18:15:37,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:37,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817953207] [2023-12-02 18:15:37,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:37,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:38,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:38,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817953207] [2023-12-02 18:15:38,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817953207] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:38,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:38,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:15:38,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119002478] [2023-12-02 18:15:38,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:38,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:15:38,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:38,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:15:38,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:15:38,905 INFO L87 Difference]: Start difference. First operand 41210 states and 156547 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:39,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:39,481 INFO L93 Difference]: Finished difference Result 41207 states and 156544 transitions. [2023-12-02 18:15:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:15:39,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2023-12-02 18:15:39,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:39,627 INFO L225 Difference]: With dead ends: 41207 [2023-12-02 18:15:39,628 INFO L226 Difference]: Without dead ends: 41207 [2023-12-02 18:15:39,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:15:39,629 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 12 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:39,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1199 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 18:15:39,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41207 states. [2023-12-02 18:15:40,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41207 to 41207. [2023-12-02 18:15:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41207 states, 41180 states have (on average 3.8014570179698883) internal successors, (156544), 41206 states have internal predecessors, (156544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:40,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41207 states to 41207 states and 156544 transitions. [2023-12-02 18:15:40,664 INFO L78 Accepts]: Start accepts. Automaton has 41207 states and 156544 transitions. Word has length 89 [2023-12-02 18:15:40,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:40,665 INFO L495 AbstractCegarLoop]: Abstraction has 41207 states and 156544 transitions. [2023-12-02 18:15:40,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 41207 states and 156544 transitions. [2023-12-02 18:15:40,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 18:15:40,666 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:40,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:40,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 18:15:40,667 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:40,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:40,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1208957910, now seen corresponding path program 1 times [2023-12-02 18:15:40,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:40,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269207517] [2023-12-02 18:15:40,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:40,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:40,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:40,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269207517] [2023-12-02 18:15:40,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269207517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:40,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:40,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:40,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979684767] [2023-12-02 18:15:40,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:40,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:40,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:40,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:40,717 INFO L87 Difference]: Start difference. First operand 41207 states and 156544 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:40,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:40,961 INFO L93 Difference]: Finished difference Result 41206 states and 156543 transitions. [2023-12-02 18:15:40,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:40,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2023-12-02 18:15:40,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:41,096 INFO L225 Difference]: With dead ends: 41206 [2023-12-02 18:15:41,096 INFO L226 Difference]: Without dead ends: 41206 [2023-12-02 18:15:41,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:41,097 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 2 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:41,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 709 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:41,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41206 states. [2023-12-02 18:15:42,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41206 to 41206. [2023-12-02 18:15:42,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41206 states, 41180 states have (on average 3.8014327343370566) internal successors, (156543), 41205 states have internal predecessors, (156543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41206 states to 41206 states and 156543 transitions. [2023-12-02 18:15:42,179 INFO L78 Accepts]: Start accepts. Automaton has 41206 states and 156543 transitions. Word has length 89 [2023-12-02 18:15:42,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:42,180 INFO L495 AbstractCegarLoop]: Abstraction has 41206 states and 156543 transitions. [2023-12-02 18:15:42,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 41206 states and 156543 transitions. [2023-12-02 18:15:42,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 18:15:42,181 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:42,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:42,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 18:15:42,181 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:42,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:42,182 INFO L85 PathProgramCache]: Analyzing trace with hash -151866196, now seen corresponding path program 1 times [2023-12-02 18:15:42,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:42,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002714165] [2023-12-02 18:15:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:42,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:42,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:42,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002714165] [2023-12-02 18:15:42,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002714165] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:42,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:42,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:42,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038349590] [2023-12-02 18:15:42,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:42,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:42,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:42,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:42,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:42,220 INFO L87 Difference]: Start difference. First operand 41206 states and 156543 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:42,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:42,898 INFO L93 Difference]: Finished difference Result 41205 states and 156542 transitions. [2023-12-02 18:15:42,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:42,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2023-12-02 18:15:42,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:43,077 INFO L225 Difference]: With dead ends: 41205 [2023-12-02 18:15:43,077 INFO L226 Difference]: Without dead ends: 41205 [2023-12-02 18:15:43,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:43,078 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 261 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:43,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 460 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:43,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41205 states. [2023-12-02 18:15:44,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41205 to 41205. [2023-12-02 18:15:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41205 states, 41180 states have (on average 3.8014084507042254) internal successors, (156542), 41204 states have internal predecessors, (156542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41205 states to 41205 states and 156542 transitions. [2023-12-02 18:15:44,387 INFO L78 Accepts]: Start accepts. Automaton has 41205 states and 156542 transitions. Word has length 93 [2023-12-02 18:15:44,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:44,387 INFO L495 AbstractCegarLoop]: Abstraction has 41205 states and 156542 transitions. [2023-12-02 18:15:44,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 41205 states and 156542 transitions. [2023-12-02 18:15:44,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 18:15:44,388 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:44,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:44,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 18:15:44,389 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:44,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:44,389 INFO L85 PathProgramCache]: Analyzing trace with hash 540789914, now seen corresponding path program 1 times [2023-12-02 18:15:44,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:44,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740924793] [2023-12-02 18:15:44,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:44,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:44,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:44,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740924793] [2023-12-02 18:15:44,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740924793] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:44,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:44,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:44,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070652399] [2023-12-02 18:15:44,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:44,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:44,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:44,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:44,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:44,434 INFO L87 Difference]: Start difference. First operand 41205 states and 156542 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:44,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:44,683 INFO L93 Difference]: Finished difference Result 41204 states and 156541 transitions. [2023-12-02 18:15:44,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:44,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2023-12-02 18:15:44,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:44,815 INFO L225 Difference]: With dead ends: 41204 [2023-12-02 18:15:44,815 INFO L226 Difference]: Without dead ends: 41204 [2023-12-02 18:15:44,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:44,816 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 2 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:44,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 705 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:44,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41204 states. [2023-12-02 18:15:45,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41204 to 41204. [2023-12-02 18:15:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41204 states, 41180 states have (on average 3.8013841670713937) internal successors, (156541), 41203 states have internal predecessors, (156541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41204 states to 41204 states and 156541 transitions. [2023-12-02 18:15:45,952 INFO L78 Accepts]: Start accepts. Automaton has 41204 states and 156541 transitions. Word has length 123 [2023-12-02 18:15:45,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:45,952 INFO L495 AbstractCegarLoop]: Abstraction has 41204 states and 156541 transitions. [2023-12-02 18:15:45,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 41204 states and 156541 transitions. [2023-12-02 18:15:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 18:15:45,953 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:45,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:45,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 18:15:45,954 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:45,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:45,954 INFO L85 PathProgramCache]: Analyzing trace with hash -783543575, now seen corresponding path program 1 times [2023-12-02 18:15:45,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:45,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158237294] [2023-12-02 18:15:45,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:45,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:46,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:46,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:46,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158237294] [2023-12-02 18:15:46,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158237294] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:46,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:46,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:46,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785669759] [2023-12-02 18:15:46,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:46,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:46,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:46,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:46,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:46,007 INFO L87 Difference]: Start difference. First operand 41204 states and 156541 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:46,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:46,284 INFO L93 Difference]: Finished difference Result 41203 states and 156540 transitions. [2023-12-02 18:15:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:46,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2023-12-02 18:15:46,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:46,752 INFO L225 Difference]: With dead ends: 41203 [2023-12-02 18:15:46,752 INFO L226 Difference]: Without dead ends: 41203 [2023-12-02 18:15:46,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:46,753 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 210 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:46,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 507 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:46,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41203 states. [2023-12-02 18:15:47,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41203 to 41203. [2023-12-02 18:15:47,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41203 states, 41180 states have (on average 3.8013598834385625) internal successors, (156540), 41202 states have internal predecessors, (156540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:48,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41203 states to 41203 states and 156540 transitions. [2023-12-02 18:15:48,041 INFO L78 Accepts]: Start accepts. Automaton has 41203 states and 156540 transitions. Word has length 127 [2023-12-02 18:15:48,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:48,042 INFO L495 AbstractCegarLoop]: Abstraction has 41203 states and 156540 transitions. [2023-12-02 18:15:48,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:48,042 INFO L276 IsEmpty]: Start isEmpty. Operand 41203 states and 156540 transitions. [2023-12-02 18:15:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-02 18:15:48,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:48,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:48,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 18:15:48,045 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:48,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:48,045 INFO L85 PathProgramCache]: Analyzing trace with hash -564440496, now seen corresponding path program 1 times [2023-12-02 18:15:48,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:48,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057230831] [2023-12-02 18:15:48,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:48,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:48,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:48,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057230831] [2023-12-02 18:15:48,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057230831] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:48,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:48,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:48,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271996980] [2023-12-02 18:15:48,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:48,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:48,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:48,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:48,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:48,130 INFO L87 Difference]: Start difference. First operand 41203 states and 156540 transitions. Second operand has 3 states, 2 states have (on average 78.5) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:48,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:48,513 INFO L93 Difference]: Finished difference Result 41202 states and 156539 transitions. [2023-12-02 18:15:48,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:48,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 78.5) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2023-12-02 18:15:48,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:48,685 INFO L225 Difference]: With dead ends: 41202 [2023-12-02 18:15:48,685 INFO L226 Difference]: Without dead ends: 41202 [2023-12-02 18:15:48,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:48,686 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 2 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:48,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 701 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:48,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41202 states. [2023-12-02 18:15:49,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41202 to 41202. [2023-12-02 18:15:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41202 states, 41180 states have (on average 3.8013355998057308) internal successors, (156539), 41201 states have internal predecessors, (156539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41202 states to 41202 states and 156539 transitions. [2023-12-02 18:15:49,915 INFO L78 Accepts]: Start accepts. Automaton has 41202 states and 156539 transitions. Word has length 157 [2023-12-02 18:15:49,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:49,915 INFO L495 AbstractCegarLoop]: Abstraction has 41202 states and 156539 transitions. [2023-12-02 18:15:49,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 78.5) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:49,915 INFO L276 IsEmpty]: Start isEmpty. Operand 41202 states and 156539 transitions. [2023-12-02 18:15:49,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 18:15:49,916 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:49,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:49,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 18:15:49,917 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:49,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:49,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1579472372, now seen corresponding path program 1 times [2023-12-02 18:15:49,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:49,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498363221] [2023-12-02 18:15:49,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:49,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:49,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:49,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498363221] [2023-12-02 18:15:49,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498363221] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:49,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:49,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:49,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664730800] [2023-12-02 18:15:49,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:49,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:49,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:49,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:49,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:49,981 INFO L87 Difference]: Start difference. First operand 41202 states and 156539 transitions. Second operand has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:50,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:50,258 INFO L93 Difference]: Finished difference Result 41201 states and 156538 transitions. [2023-12-02 18:15:50,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:50,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2023-12-02 18:15:50,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:50,389 INFO L225 Difference]: With dead ends: 41201 [2023-12-02 18:15:50,389 INFO L226 Difference]: Without dead ends: 41201 [2023-12-02 18:15:50,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:50,390 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 2 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:50,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 696 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:50,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41201 states. [2023-12-02 18:15:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41201 to 41201. [2023-12-02 18:15:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41201 states, 41180 states have (on average 3.8013113161728995) internal successors, (156538), 41200 states have internal predecessors, (156538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41201 states to 41201 states and 156538 transitions. [2023-12-02 18:15:51,565 INFO L78 Accepts]: Start accepts. Automaton has 41201 states and 156538 transitions. Word has length 165 [2023-12-02 18:15:51,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:51,566 INFO L495 AbstractCegarLoop]: Abstraction has 41201 states and 156538 transitions. [2023-12-02 18:15:51,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 82.5) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:51,566 INFO L276 IsEmpty]: Start isEmpty. Operand 41201 states and 156538 transitions. [2023-12-02 18:15:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-02 18:15:51,566 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:51,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:51,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 18:15:51,567 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:51,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:51,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2101596613, now seen corresponding path program 1 times [2023-12-02 18:15:51,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:51,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178638499] [2023-12-02 18:15:51,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:51,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:51,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:51,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178638499] [2023-12-02 18:15:51,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178638499] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:51,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:51,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:51,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058813917] [2023-12-02 18:15:51,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:51,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:51,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:51,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:51,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:51,615 INFO L87 Difference]: Start difference. First operand 41201 states and 156538 transitions. Second operand has 3 states, 2 states have (on average 86.5) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:51,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:51,874 INFO L93 Difference]: Finished difference Result 41200 states and 156537 transitions. [2023-12-02 18:15:51,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:51,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 86.5) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2023-12-02 18:15:51,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:52,397 INFO L225 Difference]: With dead ends: 41200 [2023-12-02 18:15:52,397 INFO L226 Difference]: Without dead ends: 41200 [2023-12-02 18:15:52,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:52,398 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 2 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:52,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 694 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:52,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41200 states. [2023-12-02 18:15:53,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41200 to 41200. [2023-12-02 18:15:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41200 states, 41180 states have (on average 3.801287032540068) internal successors, (156537), 41199 states have internal predecessors, (156537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:53,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41200 states to 41200 states and 156537 transitions. [2023-12-02 18:15:53,590 INFO L78 Accepts]: Start accepts. Automaton has 41200 states and 156537 transitions. Word has length 173 [2023-12-02 18:15:53,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:53,590 INFO L495 AbstractCegarLoop]: Abstraction has 41200 states and 156537 transitions. [2023-12-02 18:15:53,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 86.5) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:53,591 INFO L276 IsEmpty]: Start isEmpty. Operand 41200 states and 156537 transitions. [2023-12-02 18:15:53,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-02 18:15:53,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:53,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:53,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 18:15:53,593 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:53,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:53,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1861440085, now seen corresponding path program 1 times [2023-12-02 18:15:53,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:53,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601801871] [2023-12-02 18:15:53,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:53,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:53,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:53,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601801871] [2023-12-02 18:15:53,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601801871] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:53,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:53,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:53,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861526347] [2023-12-02 18:15:53,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:53,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:53,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:53,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:53,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:53,689 INFO L87 Difference]: Start difference. First operand 41200 states and 156537 transitions. Second operand has 3 states, 2 states have (on average 90.5) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:54,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:54,031 INFO L93 Difference]: Finished difference Result 41199 states and 156536 transitions. [2023-12-02 18:15:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:54,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 90.5) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2023-12-02 18:15:54,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:54,193 INFO L225 Difference]: With dead ends: 41199 [2023-12-02 18:15:54,193 INFO L226 Difference]: Without dead ends: 41199 [2023-12-02 18:15:54,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:54,194 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 2 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:54,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 692 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:54,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41199 states. [2023-12-02 18:15:55,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41199 to 41199. [2023-12-02 18:15:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41199 states, 41180 states have (on average 3.8012627489072366) internal successors, (156536), 41198 states have internal predecessors, (156536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41199 states to 41199 states and 156536 transitions. [2023-12-02 18:15:55,383 INFO L78 Accepts]: Start accepts. Automaton has 41199 states and 156536 transitions. Word has length 181 [2023-12-02 18:15:55,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:55,383 INFO L495 AbstractCegarLoop]: Abstraction has 41199 states and 156536 transitions. [2023-12-02 18:15:55,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 90.5) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 41199 states and 156536 transitions. [2023-12-02 18:15:55,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-02 18:15:55,384 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:55,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:55,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 18:15:55,385 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:55,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:55,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1225667309, now seen corresponding path program 1 times [2023-12-02 18:15:55,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:55,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346917808] [2023-12-02 18:15:55,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:55,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:55,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:55,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346917808] [2023-12-02 18:15:55,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346917808] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:55,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:55,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:55,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396069429] [2023-12-02 18:15:55,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:55,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:55,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:55,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:55,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:55,436 INFO L87 Difference]: Start difference. First operand 41199 states and 156536 transitions. Second operand has 3 states, 2 states have (on average 92.5) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:55,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:55,754 INFO L93 Difference]: Finished difference Result 48588 states and 184843 transitions. [2023-12-02 18:15:55,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:55,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 92.5) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 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 185 [2023-12-02 18:15:55,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:55,953 INFO L225 Difference]: With dead ends: 48588 [2023-12-02 18:15:55,954 INFO L226 Difference]: Without dead ends: 48588 [2023-12-02 18:15:55,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:55,955 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 114 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:55,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 651 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:56,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48588 states. [2023-12-02 18:15:57,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48588 to 41198. [2023-12-02 18:15:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41198 states, 41180 states have (on average 3.801238465274405) internal successors, (156535), 41197 states have internal predecessors, (156535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:57,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41198 states to 41198 states and 156535 transitions. [2023-12-02 18:15:57,247 INFO L78 Accepts]: Start accepts. Automaton has 41198 states and 156535 transitions. Word has length 185 [2023-12-02 18:15:57,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:57,247 INFO L495 AbstractCegarLoop]: Abstraction has 41198 states and 156535 transitions. [2023-12-02 18:15:57,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 92.5) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:57,247 INFO L276 IsEmpty]: Start isEmpty. Operand 41198 states and 156535 transitions. [2023-12-02 18:15:57,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-02 18:15:57,248 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:57,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:57,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 18:15:57,248 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:57,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:57,249 INFO L85 PathProgramCache]: Analyzing trace with hash -483835700, now seen corresponding path program 1 times [2023-12-02 18:15:57,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:57,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530261872] [2023-12-02 18:15:57,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:57,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:57,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:57,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530261872] [2023-12-02 18:15:57,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530261872] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:57,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:57,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:57,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981650763] [2023-12-02 18:15:57,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:57,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:57,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:57,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:57,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:57,311 INFO L87 Difference]: Start difference. First operand 41198 states and 156535 transitions. Second operand has 3 states, 2 states have (on average 94.5) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:57,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:57,892 INFO L93 Difference]: Finished difference Result 41197 states and 156534 transitions. [2023-12-02 18:15:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:57,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 94.5) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 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 189 [2023-12-02 18:15:57,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:15:58,080 INFO L225 Difference]: With dead ends: 41197 [2023-12-02 18:15:58,080 INFO L226 Difference]: Without dead ends: 41197 [2023-12-02 18:15:58,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:58,081 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 1 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:15:58,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 692 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:15:58,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41197 states. [2023-12-02 18:15:58,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41197 to 41197. [2023-12-02 18:15:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41197 states, 41180 states have (on average 3.8012141816415737) internal successors, (156534), 41196 states have internal predecessors, (156534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:59,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41197 states to 41197 states and 156534 transitions. [2023-12-02 18:15:59,289 INFO L78 Accepts]: Start accepts. Automaton has 41197 states and 156534 transitions. Word has length 189 [2023-12-02 18:15:59,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:15:59,290 INFO L495 AbstractCegarLoop]: Abstraction has 41197 states and 156534 transitions. [2023-12-02 18:15:59,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 94.5) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:59,290 INFO L276 IsEmpty]: Start isEmpty. Operand 41197 states and 156534 transitions. [2023-12-02 18:15:59,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-12-02 18:15:59,291 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:15:59,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:15:59,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 18:15:59,292 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:15:59,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:15:59,292 INFO L85 PathProgramCache]: Analyzing trace with hash -37285615, now seen corresponding path program 1 times [2023-12-02 18:15:59,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:15:59,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365545834] [2023-12-02 18:15:59,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:15:59,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:15:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:15:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:15:59,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:15:59,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365545834] [2023-12-02 18:15:59,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365545834] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:15:59,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:15:59,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:15:59,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110372211] [2023-12-02 18:15:59,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:15:59,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:15:59,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:15:59,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:15:59,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:15:59,375 INFO L87 Difference]: Start difference. First operand 41197 states and 156534 transitions. Second operand has 3 states, 2 states have (on average 96.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:15:59,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:15:59,833 INFO L93 Difference]: Finished difference Result 48232 states and 183761 transitions. [2023-12-02 18:15:59,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:15:59,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 96.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2023-12-02 18:15:59,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:00,038 INFO L225 Difference]: With dead ends: 48232 [2023-12-02 18:16:00,038 INFO L226 Difference]: Without dead ends: 48232 [2023-12-02 18:16:00,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:00,039 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 114 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 651 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 [2023-12-02 18:16:00,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 651 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:16:00,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48232 states. [2023-12-02 18:16:01,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48232 to 41196. [2023-12-02 18:16:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41196 states, 41180 states have (on average 3.801189898008742) internal successors, (156533), 41195 states have internal predecessors, (156533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41196 states to 41196 states and 156533 transitions. [2023-12-02 18:16:01,215 INFO L78 Accepts]: Start accepts. Automaton has 41196 states and 156533 transitions. Word has length 192 [2023-12-02 18:16:01,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:01,215 INFO L495 AbstractCegarLoop]: Abstraction has 41196 states and 156533 transitions. [2023-12-02 18:16:01,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 96.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 41196 states and 156533 transitions. [2023-12-02 18:16:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 18:16:01,216 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:01,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:01,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 18:16:01,217 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:01,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:01,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1237903726, now seen corresponding path program 1 times [2023-12-02 18:16:01,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:01,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587075389] [2023-12-02 18:16:01,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:01,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:01,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:01,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587075389] [2023-12-02 18:16:01,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587075389] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:01,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:01,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:16:01,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370806403] [2023-12-02 18:16:01,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:01,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:16:01,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:01,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:16:01,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:01,281 INFO L87 Difference]: Start difference. First operand 41196 states and 156533 transitions. Second operand has 3 states, 2 states have (on average 98.0) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:01,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:01,588 INFO L93 Difference]: Finished difference Result 41195 states and 156532 transitions. [2023-12-02 18:16:01,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:16:01,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 98.0) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 196 [2023-12-02 18:16:01,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:01,721 INFO L225 Difference]: With dead ends: 41195 [2023-12-02 18:16:01,721 INFO L226 Difference]: Without dead ends: 41195 [2023-12-02 18:16:01,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:01,722 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 1 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:01,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 688 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:16:01,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41195 states. [2023-12-02 18:16:02,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41195 to 41195. [2023-12-02 18:16:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41195 states, 41180 states have (on average 3.8011656143759107) internal successors, (156532), 41194 states have internal predecessors, (156532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41195 states to 41195 states and 156532 transitions. [2023-12-02 18:16:02,884 INFO L78 Accepts]: Start accepts. Automaton has 41195 states and 156532 transitions. Word has length 196 [2023-12-02 18:16:02,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:02,885 INFO L495 AbstractCegarLoop]: Abstraction has 41195 states and 156532 transitions. [2023-12-02 18:16:02,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 98.0) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:02,885 INFO L276 IsEmpty]: Start isEmpty. Operand 41195 states and 156532 transitions. [2023-12-02 18:16:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 18:16:02,885 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:02,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:02,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 18:16:02,886 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:02,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:02,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1798691403, now seen corresponding path program 1 times [2023-12-02 18:16:02,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:02,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027265509] [2023-12-02 18:16:02,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:02,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:02,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:02,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027265509] [2023-12-02 18:16:02,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027265509] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:02,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:02,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:16:02,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177431062] [2023-12-02 18:16:02,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:02,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:16:02,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:02,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:16:02,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:02,950 INFO L87 Difference]: Start difference. First operand 41195 states and 156532 transitions. Second operand has 3 states, 2 states have (on average 99.5) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:03,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:03,655 INFO L93 Difference]: Finished difference Result 55206 states and 209290 transitions. [2023-12-02 18:16:03,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:16:03,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 99.5) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2023-12-02 18:16:03,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:03,844 INFO L225 Difference]: With dead ends: 55206 [2023-12-02 18:16:03,844 INFO L226 Difference]: Without dead ends: 55206 [2023-12-02 18:16:03,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:03,845 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 103 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 660 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 [2023-12-02 18:16:03,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 660 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:16:03,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55206 states. [2023-12-02 18:16:04,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55206 to 41194. [2023-12-02 18:16:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41194 states, 41180 states have (on average 3.801141330743079) internal successors, (156531), 41193 states have internal predecessors, (156531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:05,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41194 states to 41194 states and 156531 transitions. [2023-12-02 18:16:05,209 INFO L78 Accepts]: Start accepts. Automaton has 41194 states and 156531 transitions. Word has length 199 [2023-12-02 18:16:05,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:05,210 INFO L495 AbstractCegarLoop]: Abstraction has 41194 states and 156531 transitions. [2023-12-02 18:16:05,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 99.5) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:05,210 INFO L276 IsEmpty]: Start isEmpty. Operand 41194 states and 156531 transitions. [2023-12-02 18:16:05,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-12-02 18:16:05,211 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:05,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:05,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 18:16:05,211 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:05,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:05,212 INFO L85 PathProgramCache]: Analyzing trace with hash 923314350, now seen corresponding path program 1 times [2023-12-02 18:16:05,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:05,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33888737] [2023-12-02 18:16:05,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:05,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:05,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:05,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33888737] [2023-12-02 18:16:05,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33888737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:05,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:05,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:16:05,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221606468] [2023-12-02 18:16:05,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:05,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:16:05,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:05,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:16:05,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:05,291 INFO L87 Difference]: Start difference. First operand 41194 states and 156531 transitions. Second operand has 3 states, 2 states have (on average 101.5) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:05,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:05,652 INFO L93 Difference]: Finished difference Result 41193 states and 156530 transitions. [2023-12-02 18:16:05,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:16:05,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 101.5) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 203 [2023-12-02 18:16:05,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:05,784 INFO L225 Difference]: With dead ends: 41193 [2023-12-02 18:16:05,784 INFO L226 Difference]: Without dead ends: 41193 [2023-12-02 18:16:05,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:05,785 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 1 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:05,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 684 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:16:05,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41193 states. [2023-12-02 18:16:06,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41193 to 41193. [2023-12-02 18:16:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41193 states, 41180 states have (on average 3.801117047110248) internal successors, (156530), 41192 states have internal predecessors, (156530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41193 states to 41193 states and 156530 transitions. [2023-12-02 18:16:06,925 INFO L78 Accepts]: Start accepts. Automaton has 41193 states and 156530 transitions. Word has length 203 [2023-12-02 18:16:06,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:06,925 INFO L495 AbstractCegarLoop]: Abstraction has 41193 states and 156530 transitions. [2023-12-02 18:16:06,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 101.5) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 41193 states and 156530 transitions. [2023-12-02 18:16:06,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-02 18:16:06,926 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:06,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:06,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 18:16:06,927 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:06,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:06,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1489222010, now seen corresponding path program 1 times [2023-12-02 18:16:06,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:06,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859628783] [2023-12-02 18:16:06,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:06,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:06,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:06,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:06,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859628783] [2023-12-02 18:16:06,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859628783] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:06,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:06,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:16:06,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814196676] [2023-12-02 18:16:06,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:06,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:16:06,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:06,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:16:06,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:06,991 INFO L87 Difference]: Start difference. First operand 41193 states and 156530 transitions. Second operand has 3 states, 2 states have (on average 103.0) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:07,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:07,212 INFO L93 Difference]: Finished difference Result 39910 states and 151600 transitions. [2023-12-02 18:16:07,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:16:07,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 103.0) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 206 [2023-12-02 18:16:07,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:07,335 INFO L225 Difference]: With dead ends: 39910 [2023-12-02 18:16:07,336 INFO L226 Difference]: Without dead ends: 39910 [2023-12-02 18:16:07,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:07,336 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 105 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:07,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 588 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:16:07,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39910 states. [2023-12-02 18:16:08,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39910 to 39910. [2023-12-02 18:16:08,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39910 states, 39900 states have (on average 3.799498746867168) internal successors, (151600), 39909 states have internal predecessors, (151600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39910 states to 39910 states and 151600 transitions. [2023-12-02 18:16:08,457 INFO L78 Accepts]: Start accepts. Automaton has 39910 states and 151600 transitions. Word has length 206 [2023-12-02 18:16:08,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:08,458 INFO L495 AbstractCegarLoop]: Abstraction has 39910 states and 151600 transitions. [2023-12-02 18:16:08,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 103.0) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:08,458 INFO L276 IsEmpty]: Start isEmpty. Operand 39910 states and 151600 transitions. [2023-12-02 18:16:08,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-12-02 18:16:08,459 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:08,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:08,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 18:16:08,459 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:08,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:08,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1568377118, now seen corresponding path program 1 times [2023-12-02 18:16:08,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:08,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821207596] [2023-12-02 18:16:08,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:08,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:08,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:08,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821207596] [2023-12-02 18:16:08,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821207596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:08,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:08,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:16:08,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807979291] [2023-12-02 18:16:08,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:08,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:16:08,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:08,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:16:08,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:08,524 INFO L87 Difference]: Start difference. First operand 39910 states and 151600 transitions. Second operand has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:08,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:08,779 INFO L93 Difference]: Finished difference Result 38628 states and 146671 transitions. [2023-12-02 18:16:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:16:08,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 223 [2023-12-02 18:16:08,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:09,238 INFO L225 Difference]: With dead ends: 38628 [2023-12-02 18:16:09,238 INFO L226 Difference]: Without dead ends: 38628 [2023-12-02 18:16:09,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:09,239 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 44 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:09,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 708 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:16:09,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38628 states. [2023-12-02 18:16:09,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38628 to 38628. [2023-12-02 18:16:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38628 states, 38620 states have (on average 3.797799067840497) internal successors, (146671), 38627 states have internal predecessors, (146671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38628 states to 38628 states and 146671 transitions. [2023-12-02 18:16:10,035 INFO L78 Accepts]: Start accepts. Automaton has 38628 states and 146671 transitions. Word has length 223 [2023-12-02 18:16:10,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:10,035 INFO L495 AbstractCegarLoop]: Abstraction has 38628 states and 146671 transitions. [2023-12-02 18:16:10,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 38628 states and 146671 transitions. [2023-12-02 18:16:10,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-12-02 18:16:10,037 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:10,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:10,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 18:16:10,037 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:10,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:10,037 INFO L85 PathProgramCache]: Analyzing trace with hash -400235364, now seen corresponding path program 1 times [2023-12-02 18:16:10,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:10,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192810152] [2023-12-02 18:16:10,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:10,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:10,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:10,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192810152] [2023-12-02 18:16:10,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192810152] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:10,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:10,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:16:10,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145605779] [2023-12-02 18:16:10,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:10,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:16:10,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:10,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:16:10,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:10,125 INFO L87 Difference]: Start difference. First operand 38628 states and 146671 transitions. Second operand has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:10,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:10,800 INFO L93 Difference]: Finished difference Result 37345 states and 141741 transitions. [2023-12-02 18:16:10,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:16:10,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 231 [2023-12-02 18:16:10,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:10,941 INFO L225 Difference]: With dead ends: 37345 [2023-12-02 18:16:10,941 INFO L226 Difference]: Without dead ends: 37331 [2023-12-02 18:16:10,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:10,942 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 46 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:10,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 706 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:16:11,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37331 states. [2023-12-02 18:16:11,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37331 to 37331. [2023-12-02 18:16:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37331 states, 37326 states have (on average 3.796710068049081) internal successors, (141716), 37330 states have internal predecessors, (141716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37331 states to 37331 states and 141716 transitions. [2023-12-02 18:16:12,066 INFO L78 Accepts]: Start accepts. Automaton has 37331 states and 141716 transitions. Word has length 231 [2023-12-02 18:16:12,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:12,067 INFO L495 AbstractCegarLoop]: Abstraction has 37331 states and 141716 transitions. [2023-12-02 18:16:12,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 37331 states and 141716 transitions. [2023-12-02 18:16:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-12-02 18:16:12,071 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:12,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:12,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 18:16:12,071 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:12,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:12,072 INFO L85 PathProgramCache]: Analyzing trace with hash -810561761, now seen corresponding path program 1 times [2023-12-02 18:16:12,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:12,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816198338] [2023-12-02 18:16:12,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:12,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:12,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:12,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816198338] [2023-12-02 18:16:12,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816198338] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:12,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:12,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:16:12,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136256513] [2023-12-02 18:16:12,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:12,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:16:12,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:12,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:16:12,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:12,149 INFO L87 Difference]: Start difference. First operand 37331 states and 141716 transitions. Second operand has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:12,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:12,383 INFO L93 Difference]: Finished difference Result 36049 states and 136787 transitions. [2023-12-02 18:16:12,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:16:12,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 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 235 [2023-12-02 18:16:12,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:12,490 INFO L225 Difference]: With dead ends: 36049 [2023-12-02 18:16:12,490 INFO L226 Difference]: Without dead ends: 36049 [2023-12-02 18:16:12,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:12,490 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 44 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:12,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 700 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:16:12,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36049 states. [2023-12-02 18:16:13,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36049 to 36049. [2023-12-02 18:16:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36049 states, 36046 states have (on average 3.794789990567608) internal successors, (136787), 36048 states have internal predecessors, (136787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36049 states to 36049 states and 136787 transitions. [2023-12-02 18:16:13,536 INFO L78 Accepts]: Start accepts. Automaton has 36049 states and 136787 transitions. Word has length 235 [2023-12-02 18:16:13,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:13,537 INFO L495 AbstractCegarLoop]: Abstraction has 36049 states and 136787 transitions. [2023-12-02 18:16:13,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:13,537 INFO L276 IsEmpty]: Start isEmpty. Operand 36049 states and 136787 transitions. [2023-12-02 18:16:13,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-12-02 18:16:13,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:13,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:13,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 18:16:13,542 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:13,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:13,542 INFO L85 PathProgramCache]: Analyzing trace with hash 2082113330, now seen corresponding path program 1 times [2023-12-02 18:16:13,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:13,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194601285] [2023-12-02 18:16:13,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:13,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:14,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:14,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194601285] [2023-12-02 18:16:14,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194601285] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:14,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:14,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:16:14,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552538143] [2023-12-02 18:16:14,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:14,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:16:14,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:14,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:16:14,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:16:14,252 INFO L87 Difference]: Start difference. First operand 36049 states and 136787 transitions. Second operand has 6 states, 5 states have (on average 47.2) internal successors, (236), 6 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:14,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:14,813 INFO L93 Difference]: Finished difference Result 32782 states and 123719 transitions. [2023-12-02 18:16:14,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:16:14,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 47.2) internal successors, (236), 6 states have internal predecessors, (236), 0 states have call successors, (0), 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 236 [2023-12-02 18:16:14,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:14,905 INFO L225 Difference]: With dead ends: 32782 [2023-12-02 18:16:14,905 INFO L226 Difference]: Without dead ends: 32782 [2023-12-02 18:16:14,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:16:14,906 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 178 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:14,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 1586 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 18:16:14,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32782 states. [2023-12-02 18:16:15,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32782 to 32782. [2023-12-02 18:16:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32782 states, 32780 states have (on average 3.774222086638194) internal successors, (123719), 32781 states have internal predecessors, (123719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:15,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32782 states to 32782 states and 123719 transitions. [2023-12-02 18:16:15,791 INFO L78 Accepts]: Start accepts. Automaton has 32782 states and 123719 transitions. Word has length 236 [2023-12-02 18:16:15,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:15,792 INFO L495 AbstractCegarLoop]: Abstraction has 32782 states and 123719 transitions. [2023-12-02 18:16:15,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 47.2) internal successors, (236), 6 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:15,792 INFO L276 IsEmpty]: Start isEmpty. Operand 32782 states and 123719 transitions. [2023-12-02 18:16:15,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-12-02 18:16:15,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:15,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:15,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 18:16:15,861 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:15,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:15,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2026716256, now seen corresponding path program 1 times [2023-12-02 18:16:15,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:15,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520615958] [2023-12-02 18:16:15,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:15,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:16,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:16,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520615958] [2023-12-02 18:16:16,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520615958] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:16,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:16,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:16:16,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261753780] [2023-12-02 18:16:16,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:16,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:16:16,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:16,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:16:16,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:16:16,822 INFO L87 Difference]: Start difference. First operand 32782 states and 123719 transitions. Second operand has 6 states, 5 states have (on average 51.6) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:17,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:17,294 INFO L93 Difference]: Finished difference Result 32661 states and 123356 transitions. [2023-12-02 18:16:17,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:16:17,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 51.6) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 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 258 [2023-12-02 18:16:17,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:17,384 INFO L225 Difference]: With dead ends: 32661 [2023-12-02 18:16:17,384 INFO L226 Difference]: Without dead ends: 32661 [2023-12-02 18:16:17,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:16:17,385 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 87 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:17,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1047 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 18:16:17,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32661 states. [2023-12-02 18:16:17,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32661 to 32661. [2023-12-02 18:16:18,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32661 states, 32660 states have (on average 3.7769748928352724) internal successors, (123356), 32660 states have internal predecessors, (123356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:18,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32661 states to 32661 states and 123356 transitions. [2023-12-02 18:16:18,382 INFO L78 Accepts]: Start accepts. Automaton has 32661 states and 123356 transitions. Word has length 258 [2023-12-02 18:16:18,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:18,383 INFO L495 AbstractCegarLoop]: Abstraction has 32661 states and 123356 transitions. [2023-12-02 18:16:18,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 51.6) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:18,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32661 states and 123356 transitions. [2023-12-02 18:16:18,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-12-02 18:16:18,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:18,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:18,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 18:16:18,454 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:18,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:18,454 INFO L85 PathProgramCache]: Analyzing trace with hash -797854508, now seen corresponding path program 1 times [2023-12-02 18:16:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:18,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44481146] [2023-12-02 18:16:18,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:18,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:18,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44481146] [2023-12-02 18:16:18,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44481146] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:18,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:18,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:16:18,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076248853] [2023-12-02 18:16:18,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:18,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:16:18,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:18,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:16:18,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:16:18,798 INFO L87 Difference]: Start difference. First operand 32661 states and 123356 transitions. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:18,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:18,999 INFO L93 Difference]: Finished difference Result 30276 states and 113313 transitions. [2023-12-02 18:16:18,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:16:18,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 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 276 [2023-12-02 18:16:19,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:19,092 INFO L225 Difference]: With dead ends: 30276 [2023-12-02 18:16:19,092 INFO L226 Difference]: Without dead ends: 30276 [2023-12-02 18:16:19,093 INFO L412 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 [2023-12-02 18:16:19,093 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 14 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 627 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 [2023-12-02 18:16:19,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 627 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:16:19,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30276 states. [2023-12-02 18:16:19,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30276 to 30276. [2023-12-02 18:16:19,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30276 states, 30275 states have (on average 3.742791081750619) internal successors, (113313), 30275 states have internal predecessors, (113313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30276 states to 30276 states and 113313 transitions. [2023-12-02 18:16:20,071 INFO L78 Accepts]: Start accepts. Automaton has 30276 states and 113313 transitions. Word has length 276 [2023-12-02 18:16:20,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:20,071 INFO L495 AbstractCegarLoop]: Abstraction has 30276 states and 113313 transitions. [2023-12-02 18:16:20,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 30276 states and 113313 transitions. [2023-12-02 18:16:20,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-12-02 18:16:20,133 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:16:20,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:20,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 18:16:20,134 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2023-12-02 18:16:20,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:16:20,134 INFO L85 PathProgramCache]: Analyzing trace with hash 440402900, now seen corresponding path program 2 times [2023-12-02 18:16:20,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:16:20,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841463150] [2023-12-02 18:16:20,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:16:20,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:16:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:16:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:16:21,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:16:21,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841463150] [2023-12-02 18:16:21,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841463150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:16:21,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:16:21,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:16:21,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004924553] [2023-12-02 18:16:21,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:16:21,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:16:21,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:16:21,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:16:21,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:16:21,138 INFO L87 Difference]: Start difference. First operand 30276 states and 113313 transitions. Second operand has 6 states, 5 states have (on average 55.2) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:16:21,668 INFO L93 Difference]: Finished difference Result 30265 states and 113291 transitions. [2023-12-02 18:16:21,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:16:21,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 55.2) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 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 276 [2023-12-02 18:16:21,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:16:21,669 INFO L225 Difference]: With dead ends: 30265 [2023-12-02 18:16:21,669 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 18:16:21,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:16:21,670 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 36 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:16:21,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 702 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 18:16:21,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 18:16:21,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 18:16:21,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:21,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 18:16:21,671 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 276 [2023-12-02 18:16:21,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:16:21,671 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 18:16:21,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 55.2) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:16:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 18:16:21,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 18:16:21,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (161 of 162 remaining) [2023-12-02 18:16:21,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (160 of 162 remaining) [2023-12-02 18:16:21,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (159 of 162 remaining) [2023-12-02 18:16:21,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (158 of 162 remaining) [2023-12-02 18:16:21,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (157 of 162 remaining) [2023-12-02 18:16:21,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (156 of 162 remaining) [2023-12-02 18:16:21,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (155 of 162 remaining) [2023-12-02 18:16:21,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (154 of 162 remaining) [2023-12-02 18:16:21,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (153 of 162 remaining) [2023-12-02 18:16:21,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (152 of 162 remaining) [2023-12-02 18:16:21,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (151 of 162 remaining) [2023-12-02 18:16:21,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (150 of 162 remaining) [2023-12-02 18:16:21,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (149 of 162 remaining) [2023-12-02 18:16:21,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (148 of 162 remaining) [2023-12-02 18:16:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (147 of 162 remaining) [2023-12-02 18:16:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (146 of 162 remaining) [2023-12-02 18:16:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (145 of 162 remaining) [2023-12-02 18:16:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (144 of 162 remaining) [2023-12-02 18:16:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (143 of 162 remaining) [2023-12-02 18:16:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (142 of 162 remaining) [2023-12-02 18:16:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (141 of 162 remaining) [2023-12-02 18:16:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (140 of 162 remaining) [2023-12-02 18:16:21,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (139 of 162 remaining) [2023-12-02 18:16:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (138 of 162 remaining) [2023-12-02 18:16:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (137 of 162 remaining) [2023-12-02 18:16:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (136 of 162 remaining) [2023-12-02 18:16:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (135 of 162 remaining) [2023-12-02 18:16:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (134 of 162 remaining) [2023-12-02 18:16:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (133 of 162 remaining) [2023-12-02 18:16:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (132 of 162 remaining) [2023-12-02 18:16:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (131 of 162 remaining) [2023-12-02 18:16:21,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (130 of 162 remaining) [2023-12-02 18:16:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (129 of 162 remaining) [2023-12-02 18:16:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (128 of 162 remaining) [2023-12-02 18:16:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (127 of 162 remaining) [2023-12-02 18:16:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (126 of 162 remaining) [2023-12-02 18:16:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (125 of 162 remaining) [2023-12-02 18:16:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 162 remaining) [2023-12-02 18:16:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (123 of 162 remaining) [2023-12-02 18:16:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (122 of 162 remaining) [2023-12-02 18:16:21,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (121 of 162 remaining) [2023-12-02 18:16:21,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (120 of 162 remaining) [2023-12-02 18:16:21,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (119 of 162 remaining) [2023-12-02 18:16:21,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (118 of 162 remaining) [2023-12-02 18:16:21,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (117 of 162 remaining) [2023-12-02 18:16:21,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (116 of 162 remaining) [2023-12-02 18:16:21,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (115 of 162 remaining) [2023-12-02 18:16:21,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (114 of 162 remaining) [2023-12-02 18:16:21,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (113 of 162 remaining) [2023-12-02 18:16:21,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (112 of 162 remaining) [2023-12-02 18:16:21,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (111 of 162 remaining) [2023-12-02 18:16:21,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (110 of 162 remaining) [2023-12-02 18:16:21,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (109 of 162 remaining) [2023-12-02 18:16:21,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (108 of 162 remaining) [2023-12-02 18:16:21,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (107 of 162 remaining) [2023-12-02 18:16:21,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (106 of 162 remaining) [2023-12-02 18:16:21,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (105 of 162 remaining) [2023-12-02 18:16:21,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (104 of 162 remaining) [2023-12-02 18:16:21,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (103 of 162 remaining) [2023-12-02 18:16:21,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (102 of 162 remaining) [2023-12-02 18:16:21,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (101 of 162 remaining) [2023-12-02 18:16:21,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (100 of 162 remaining) [2023-12-02 18:16:21,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (99 of 162 remaining) [2023-12-02 18:16:21,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (98 of 162 remaining) [2023-12-02 18:16:21,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (97 of 162 remaining) [2023-12-02 18:16:21,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (96 of 162 remaining) [2023-12-02 18:16:21,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (95 of 162 remaining) [2023-12-02 18:16:21,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (94 of 162 remaining) [2023-12-02 18:16:21,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (93 of 162 remaining) [2023-12-02 18:16:21,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (92 of 162 remaining) [2023-12-02 18:16:21,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (91 of 162 remaining) [2023-12-02 18:16:21,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (90 of 162 remaining) [2023-12-02 18:16:21,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (89 of 162 remaining) [2023-12-02 18:16:21,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (88 of 162 remaining) [2023-12-02 18:16:21,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (87 of 162 remaining) [2023-12-02 18:16:21,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (86 of 162 remaining) [2023-12-02 18:16:21,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (85 of 162 remaining) [2023-12-02 18:16:21,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (84 of 162 remaining) [2023-12-02 18:16:21,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (83 of 162 remaining) [2023-12-02 18:16:21,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (82 of 162 remaining) [2023-12-02 18:16:21,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (81 of 162 remaining) [2023-12-02 18:16:21,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (80 of 162 remaining) [2023-12-02 18:16:21,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (79 of 162 remaining) [2023-12-02 18:16:21,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (78 of 162 remaining) [2023-12-02 18:16:21,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (77 of 162 remaining) [2023-12-02 18:16:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (76 of 162 remaining) [2023-12-02 18:16:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (75 of 162 remaining) [2023-12-02 18:16:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (74 of 162 remaining) [2023-12-02 18:16:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (73 of 162 remaining) [2023-12-02 18:16:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (72 of 162 remaining) [2023-12-02 18:16:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (71 of 162 remaining) [2023-12-02 18:16:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (70 of 162 remaining) [2023-12-02 18:16:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (69 of 162 remaining) [2023-12-02 18:16:21,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (68 of 162 remaining) [2023-12-02 18:16:21,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (67 of 162 remaining) [2023-12-02 18:16:21,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (66 of 162 remaining) [2023-12-02 18:16:21,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (65 of 162 remaining) [2023-12-02 18:16:21,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (64 of 162 remaining) [2023-12-02 18:16:21,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (63 of 162 remaining) [2023-12-02 18:16:21,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (62 of 162 remaining) [2023-12-02 18:16:21,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (61 of 162 remaining) [2023-12-02 18:16:21,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (60 of 162 remaining) [2023-12-02 18:16:21,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (59 of 162 remaining) [2023-12-02 18:16:21,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (58 of 162 remaining) [2023-12-02 18:16:21,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (57 of 162 remaining) [2023-12-02 18:16:21,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (56 of 162 remaining) [2023-12-02 18:16:21,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 162 remaining) [2023-12-02 18:16:21,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (54 of 162 remaining) [2023-12-02 18:16:21,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (53 of 162 remaining) [2023-12-02 18:16:21,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (52 of 162 remaining) [2023-12-02 18:16:21,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 162 remaining) [2023-12-02 18:16:21,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 162 remaining) [2023-12-02 18:16:21,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 162 remaining) [2023-12-02 18:16:21,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (48 of 162 remaining) [2023-12-02 18:16:21,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (47 of 162 remaining) [2023-12-02 18:16:21,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (46 of 162 remaining) [2023-12-02 18:16:21,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (45 of 162 remaining) [2023-12-02 18:16:21,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (44 of 162 remaining) [2023-12-02 18:16:21,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (43 of 162 remaining) [2023-12-02 18:16:21,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (42 of 162 remaining) [2023-12-02 18:16:21,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (41 of 162 remaining) [2023-12-02 18:16:21,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (40 of 162 remaining) [2023-12-02 18:16:21,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (39 of 162 remaining) [2023-12-02 18:16:21,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (38 of 162 remaining) [2023-12-02 18:16:21,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (37 of 162 remaining) [2023-12-02 18:16:21,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (36 of 162 remaining) [2023-12-02 18:16:21,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 162 remaining) [2023-12-02 18:16:21,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 162 remaining) [2023-12-02 18:16:21,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 162 remaining) [2023-12-02 18:16:21,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 162 remaining) [2023-12-02 18:16:21,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (31 of 162 remaining) [2023-12-02 18:16:21,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (30 of 162 remaining) [2023-12-02 18:16:21,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 162 remaining) [2023-12-02 18:16:21,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 162 remaining) [2023-12-02 18:16:21,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 162 remaining) [2023-12-02 18:16:21,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 162 remaining) [2023-12-02 18:16:21,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 162 remaining) [2023-12-02 18:16:21,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 162 remaining) [2023-12-02 18:16:21,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 162 remaining) [2023-12-02 18:16:21,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 162 remaining) [2023-12-02 18:16:21,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 162 remaining) [2023-12-02 18:16:21,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 162 remaining) [2023-12-02 18:16:21,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 162 remaining) [2023-12-02 18:16:21,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 162 remaining) [2023-12-02 18:16:21,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 162 remaining) [2023-12-02 18:16:21,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 162 remaining) [2023-12-02 18:16:21,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 162 remaining) [2023-12-02 18:16:21,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (14 of 162 remaining) [2023-12-02 18:16:21,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (13 of 162 remaining) [2023-12-02 18:16:21,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 162 remaining) [2023-12-02 18:16:21,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (11 of 162 remaining) [2023-12-02 18:16:21,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (10 of 162 remaining) [2023-12-02 18:16:21,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (9 of 162 remaining) [2023-12-02 18:16:21,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (8 of 162 remaining) [2023-12-02 18:16:21,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (7 of 162 remaining) [2023-12-02 18:16:21,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (6 of 162 remaining) [2023-12-02 18:16:21,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (5 of 162 remaining) [2023-12-02 18:16:21,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (4 of 162 remaining) [2023-12-02 18:16:21,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (3 of 162 remaining) [2023-12-02 18:16:21,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (2 of 162 remaining) [2023-12-02 18:16:21,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (1 of 162 remaining) [2023-12-02 18:16:21,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (0 of 162 remaining) [2023-12-02 18:16:21,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 18:16:21,697 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:16:21,703 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 18:16:21,704 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:16:21,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:16:21 BasicIcfg [2023-12-02 18:16:21,708 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:16:21,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:16:21,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:16:21,709 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:16:21,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:12" (3/4) ... [2023-12-02 18:16:21,712 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 18:16:21,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-12-02 18:16:21,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-12-02 18:16:21,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-12-02 18:16:21,728 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-12-02 18:16:21,729 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 18:16:21,729 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 18:16:21,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 18:16:21,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 18:16:21,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 18:16:21,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:16:21,845 INFO L158 Benchmark]: Toolchain (without parser) took 71440.89ms. Allocated memory was 138.4MB in the beginning and 15.6GB in the end (delta: 15.5GB). Free memory was 108.8MB in the beginning and 8.1GB in the end (delta: -8.0GB). Peak memory consumption was 7.5GB. Max. memory is 16.1GB. [2023-12-02 18:16:21,845 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:16:21,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.69ms. Allocated memory is still 138.4MB. Free memory was 108.3MB in the beginning and 94.1MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 18:16:21,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.14ms. Allocated memory is still 138.4MB. Free memory was 94.1MB in the beginning and 89.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:16:21,846 INFO L158 Benchmark]: Boogie Preprocessor took 65.81ms. Allocated memory is still 138.4MB. Free memory was 89.4MB in the beginning and 85.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:16:21,849 INFO L158 Benchmark]: RCFGBuilder took 1517.79ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 85.7MB in the beginning and 121.9MB in the end (delta: -36.1MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2023-12-02 18:16:21,850 INFO L158 Benchmark]: TraceAbstraction took 69349.94ms. Allocated memory was 182.5MB in the beginning and 15.6GB in the end (delta: 15.5GB). Free memory was 120.8MB in the beginning and 8.2GB in the end (delta: -8.0GB). Peak memory consumption was 7.4GB. Max. memory is 16.1GB. [2023-12-02 18:16:21,850 INFO L158 Benchmark]: Witness Printer took 135.05ms. Allocated memory is still 15.6GB. Free memory was 8.2GB in the beginning and 8.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 18:16:21,860 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.69ms. Allocated memory is still 138.4MB. Free memory was 108.3MB in the beginning and 94.1MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.14ms. Allocated memory is still 138.4MB. Free memory was 94.1MB in the beginning and 89.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.81ms. Allocated memory is still 138.4MB. Free memory was 89.4MB in the beginning and 85.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1517.79ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 85.7MB in the beginning and 121.9MB in the end (delta: -36.1MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * TraceAbstraction took 69349.94ms. Allocated memory was 182.5MB in the beginning and 15.6GB in the end (delta: 15.5GB). Free memory was 120.8MB in the beginning and 8.2GB in the end (delta: -8.0GB). Peak memory consumption was 7.4GB. Max. memory is 16.1GB. * Witness Printer took 135.05ms. Allocated memory is still 15.6GB. Free memory was 8.2GB in the beginning and 8.1GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 587 locations, 162 error locations. Started 1 CEGAR loops. OverallTime: 69.2s, OverallIterations: 28, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.8s, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1705 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1705 mSDsluCounter, 20356 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10228 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1331 IncrementalHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 10128 mSDtfsCounter, 1331 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=497752occurred in iteration=0, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 32.1s AutomataMinimizationTime, 28 MinimizatonAttempts, 28438 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 4533 NumberOfCodeBlocks, 4533 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 4505 ConstructedInterpolants, 0 QuantifiedInterpolants, 5037 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 93 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 18:16:21,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecda705b-5963-49fb-bfed-49c527ee99c6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE