./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/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_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/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_86a198b8-40ba-440c-8d51-1eb38d50ab13/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 bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:32:57,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:32:57,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 17:32:57,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:32:57,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:32:57,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:32:57,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:32:57,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:32:57,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:32:57,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:32:57,764 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:32:57,764 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:32:57,765 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:32:57,765 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:32:57,766 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:32:57,767 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:32:57,767 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:32:57,768 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:32:57,768 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:32:57,769 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:32:57,770 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:32:57,771 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:32:57,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:32:57,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:32:57,773 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:32:57,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:32:57,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:32:57,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:32:57,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:32:57,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:32:57,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:32:57,776 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 17:32:57,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:32:57,777 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:32:57,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:32:57,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:32:57,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:32:57,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:32:57,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:32:57,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:32:57,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:32:57,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:32:57,779 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:32:57,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:32:57,780 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:32:57,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:32:57,780 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:32:57,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:32:57,781 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_86a198b8-40ba-440c-8d51-1eb38d50ab13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 [2023-12-02 17:32:58,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:32:58,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:32:58,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:32:58,036 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:32:58,037 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:32:58,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2023-12-02 17:33:01,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:33:01,460 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:33:01,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2023-12-02 17:33:01,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh/data/ec54e3f5c/c2a932e19c6446568fe27741c27fd2ee/FLAG2cd5f6f92 [2023-12-02 17:33:01,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh/data/ec54e3f5c/c2a932e19c6446568fe27741c27fd2ee [2023-12-02 17:33:01,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:33:01,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:33:01,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:33:01,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:33:01,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:33:01,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:33:01" (1/1) ... [2023-12-02 17:33:01,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3327ad55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:01, skipping insertion in model container [2023-12-02 17:33:01,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:33:01" (1/1) ... [2023-12-02 17:33:01,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:33:02,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:33:02,530 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:33:02,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:33:02,767 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:33:02,767 WARN L675 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:33:02,767 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:33:02,767 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:33:02,777 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:33:02,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02 WrapperNode [2023-12-02 17:33:02,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:33:02,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:33:02,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:33:02,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:33:02,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,866 INFO L138 Inliner]: procedures = 525, calls = 69, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 151 [2023-12-02 17:33:02,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:33:02,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:33:02,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:33:02,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:33:02,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:33:02,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:33:02,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:33:02,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:33:02,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (1/1) ... [2023-12-02 17:33:02,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:33:02,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:33:02,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:33:02,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:33:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2023-12-02 17:33:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2023-12-02 17:33:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-12-02 17:33:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2023-12-02 17:33:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2023-12-02 17:33:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-12-02 17:33:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:33:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:33:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 17:33:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:33:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:33:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:33:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-12-02 17:33:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:33:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2023-12-02 17:33:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 17:33:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 17:33:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:33:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:33:03,014 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 17:33:03,284 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:33:03,285 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:33:03,595 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:33:03,618 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:33:03,619 INFO L309 CfgBuilder]: Removed 19 assume(true) statements. [2023-12-02 17:33:03,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:33:03 BoogieIcfgContainer [2023-12-02 17:33:03,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:33:03,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:33:03,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:33:03,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:33:03,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:33:01" (1/3) ... [2023-12-02 17:33:03,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3df34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:33:03, skipping insertion in model container [2023-12-02 17:33:03,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:33:02" (2/3) ... [2023-12-02 17:33:03,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3df34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:33:03, skipping insertion in model container [2023-12-02 17:33:03,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:33:03" (3/3) ... [2023-12-02 17:33:03,628 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_35-trylock_rc.i [2023-12-02 17:33:03,634 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 17:33:03,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:33:03,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-12-02 17:33:03,642 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 17:33:03,737 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 17:33:03,772 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 282 places, 306 transitions, 626 flow [2023-12-02 17:33:07,012 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 102685 states, 102538 states have (on average 3.3211102225516393) internal successors, (340540), 102684 states have internal predecessors, (340540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:07,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:33:07,039 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;@3954716f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:33:07,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-12-02 17:33:07,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 102685 states, 102538 states have (on average 3.3211102225516393) internal successors, (340540), 102684 states have internal predecessors, (340540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 17:33:07,211 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:07,212 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] [2023-12-02 17:33:07,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-12-02 17:33:07,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:07,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1785536043, now seen corresponding path program 1 times [2023-12-02 17:33:07,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:07,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252216593] [2023-12-02 17:33:07,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:07,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:07,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:33:07,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:33:07,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252216593] [2023-12-02 17:33:07,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252216593] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:07,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:07,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:33:07,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890778737] [2023-12-02 17:33:07,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:07,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:33:07,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:33:07,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:33:07,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:33:07,977 INFO L87 Difference]: Start difference. First operand has 102685 states, 102538 states have (on average 3.3211102225516393) internal successors, (340540), 102684 states have internal predecessors, (340540), 0 states have call successors, (0), 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 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:09,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:09,372 INFO L93 Difference]: Finished difference Result 92470 states and 273720 transitions. [2023-12-02 17:33:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:33:09,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2023-12-02 17:33:09,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:10,049 INFO L225 Difference]: With dead ends: 92470 [2023-12-02 17:33:10,050 INFO L226 Difference]: Without dead ends: 88422 [2023-12-02 17:33:10,051 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 17:33:10,056 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 2 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 487 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 17:33:10,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 487 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:33:10,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88422 states. [2023-12-02 17:33:12,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88422 to 88422. [2023-12-02 17:33:12,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88422 states, 88114 states have (on average 2.972694463989831) internal successors, (261936), 88421 states have internal predecessors, (261936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88422 states to 88422 states and 261936 transitions. [2023-12-02 17:33:13,531 INFO L78 Accepts]: Start accepts. Automaton has 88422 states and 261936 transitions. Word has length 48 [2023-12-02 17:33:13,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:13,531 INFO L495 AbstractCegarLoop]: Abstraction has 88422 states and 261936 transitions. [2023-12-02 17:33:13,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 88422 states and 261936 transitions. [2023-12-02 17:33:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 17:33:13,535 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:13,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:33:13,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:33:13,536 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-12-02 17:33:13,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:13,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1543577995, now seen corresponding path program 1 times [2023-12-02 17:33:13,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:13,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611828444] [2023-12-02 17:33:13,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:13,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:13,693 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 17:33:13,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:33:13,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611828444] [2023-12-02 17:33:13,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611828444] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:13,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:13,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:33:13,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601061250] [2023-12-02 17:33:13,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:13,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:33:13,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:33:13,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:33:13,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:33:13,698 INFO L87 Difference]: Start difference. First operand 88422 states and 261936 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:14,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:14,537 INFO L93 Difference]: Finished difference Result 78900 states and 233606 transitions. [2023-12-02 17:33:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:33:14,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2023-12-02 17:33:14,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:14,855 INFO L225 Difference]: With dead ends: 78900 [2023-12-02 17:33:14,855 INFO L226 Difference]: Without dead ends: 75920 [2023-12-02 17:33:14,855 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 17:33:14,857 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 176 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:14,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 518 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:33:15,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75920 states. [2023-12-02 17:33:17,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75920 to 75920. [2023-12-02 17:33:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75920 states, 75798 states have (on average 2.9663975302778436) internal successors, (224847), 75919 states have internal predecessors, (224847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75920 states to 75920 states and 224847 transitions. [2023-12-02 17:33:17,762 INFO L78 Accepts]: Start accepts. Automaton has 75920 states and 224847 transitions. Word has length 60 [2023-12-02 17:33:17,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:17,763 INFO L495 AbstractCegarLoop]: Abstraction has 75920 states and 224847 transitions. [2023-12-02 17:33:17,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 75920 states and 224847 transitions. [2023-12-02 17:33:17,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 17:33:17,765 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:17,765 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] [2023-12-02 17:33:17,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 17:33:17,766 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-12-02 17:33:17,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:17,766 INFO L85 PathProgramCache]: Analyzing trace with hash -2043407950, now seen corresponding path program 1 times [2023-12-02 17:33:17,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:17,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196768569] [2023-12-02 17:33:17,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:17,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:33:17,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:33:17,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196768569] [2023-12-02 17:33:17,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196768569] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:17,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:17,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:33:17,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999515429] [2023-12-02 17:33:17,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:17,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:33:17,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:33:17,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:33:17,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:33:17,885 INFO L87 Difference]: Start difference. First operand 75920 states and 224847 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:18,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:18,634 INFO L93 Difference]: Finished difference Result 73889 states and 218788 transitions. [2023-12-02 17:33:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:33:18,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2023-12-02 17:33:18,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:18,951 INFO L225 Difference]: With dead ends: 73889 [2023-12-02 17:33:18,952 INFO L226 Difference]: Without dead ends: 73889 [2023-12-02 17:33:18,952 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 17:33:18,954 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 179 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:18,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 375 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:33:19,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73889 states. [2023-12-02 17:33:21,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73889 to 73241. [2023-12-02 17:33:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73241 states, 73158 states have (on average 2.9651576040897782) internal successors, (216925), 73240 states have internal predecessors, (216925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:21,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73241 states to 73241 states and 216925 transitions. [2023-12-02 17:33:21,457 INFO L78 Accepts]: Start accepts. Automaton has 73241 states and 216925 transitions. Word has length 61 [2023-12-02 17:33:21,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:21,457 INFO L495 AbstractCegarLoop]: Abstraction has 73241 states and 216925 transitions. [2023-12-02 17:33:21,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 73241 states and 216925 transitions. [2023-12-02 17:33:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 17:33:21,466 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:21,466 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] [2023-12-02 17:33:21,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 17:33:21,467 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-12-02 17:33:21,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:21,468 INFO L85 PathProgramCache]: Analyzing trace with hash -662509154, now seen corresponding path program 1 times [2023-12-02 17:33:21,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:21,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167058899] [2023-12-02 17:33:21,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:21,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:21,563 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 17:33:21,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:33:21,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167058899] [2023-12-02 17:33:21,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167058899] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:21,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:21,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:33:21,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748200470] [2023-12-02 17:33:21,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:21,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:33:21,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:33:21,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:33:21,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:33:21,567 INFO L87 Difference]: Start difference. First operand 73241 states and 216925 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:22,469 INFO L93 Difference]: Finished difference Result 129955 states and 384550 transitions. [2023-12-02 17:33:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:33:22,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2023-12-02 17:33:22,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:23,129 INFO L225 Difference]: With dead ends: 129955 [2023-12-02 17:33:23,129 INFO L226 Difference]: Without dead ends: 129955 [2023-12-02 17:33:23,130 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 17:33:23,131 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 173 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:23,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 582 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:33:23,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129955 states. [2023-12-02 17:33:25,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129955 to 75993. [2023-12-02 17:33:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75993 states, 75917 states have (on average 2.9563734078006245) internal successors, (224439), 75992 states have internal predecessors, (224439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:26,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75993 states to 75993 states and 224439 transitions. [2023-12-02 17:33:26,093 INFO L78 Accepts]: Start accepts. Automaton has 75993 states and 224439 transitions. Word has length 71 [2023-12-02 17:33:26,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:26,094 INFO L495 AbstractCegarLoop]: Abstraction has 75993 states and 224439 transitions. [2023-12-02 17:33:26,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:26,094 INFO L276 IsEmpty]: Start isEmpty. Operand 75993 states and 224439 transitions. [2023-12-02 17:33:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 17:33:26,097 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:26,097 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] [2023-12-02 17:33:26,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 17:33:26,098 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-12-02 17:33:26,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:26,098 INFO L85 PathProgramCache]: Analyzing trace with hash -292457774, now seen corresponding path program 1 times [2023-12-02 17:33:26,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:26,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217527073] [2023-12-02 17:33:26,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:26,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:27,217 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 17:33:27,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:33:27,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217527073] [2023-12-02 17:33:27,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217527073] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:27,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:27,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:33:27,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646714579] [2023-12-02 17:33:27,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:27,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:33:27,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:33:27,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:33:27,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:33:27,221 INFO L87 Difference]: Start difference. First operand 75993 states and 224439 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:27,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:27,828 INFO L93 Difference]: Finished difference Result 72329 states and 213355 transitions. [2023-12-02 17:33:27,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 17:33:27,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2023-12-02 17:33:27,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:28,032 INFO L225 Difference]: With dead ends: 72329 [2023-12-02 17:33:28,032 INFO L226 Difference]: Without dead ends: 67329 [2023-12-02 17:33:28,033 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 17:33:28,034 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 502 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 1864 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:28,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 1864 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:33:28,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67329 states. [2023-12-02 17:33:29,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67329 to 67329. [2023-12-02 17:33:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67329 states, 67281 states have (on average 2.9555892451063452) internal successors, (198855), 67328 states have internal predecessors, (198855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67329 states to 67329 states and 198855 transitions. [2023-12-02 17:33:30,115 INFO L78 Accepts]: Start accepts. Automaton has 67329 states and 198855 transitions. Word has length 72 [2023-12-02 17:33:30,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:30,116 INFO L495 AbstractCegarLoop]: Abstraction has 67329 states and 198855 transitions. [2023-12-02 17:33:30,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:30,116 INFO L276 IsEmpty]: Start isEmpty. Operand 67329 states and 198855 transitions. [2023-12-02 17:33:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 17:33:30,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:30,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:33:30,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 17:33:30,123 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-12-02 17:33:30,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:30,123 INFO L85 PathProgramCache]: Analyzing trace with hash 37930632, now seen corresponding path program 1 times [2023-12-02 17:33:30,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:30,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335630939] [2023-12-02 17:33:30,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:30,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:30,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 17:33:30,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:33:30,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335630939] [2023-12-02 17:33:30,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335630939] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:30,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:30,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:33:30,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107241942] [2023-12-02 17:33:30,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:30,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:33:30,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:33:30,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:33:30,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:33:30,243 INFO L87 Difference]: Start difference. First operand 67329 states and 198855 transitions. Second operand has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:30,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:30,806 INFO L93 Difference]: Finished difference Result 70587 states and 208554 transitions. [2023-12-02 17:33:30,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:33:30,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2023-12-02 17:33:30,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:31,007 INFO L225 Difference]: With dead ends: 70587 [2023-12-02 17:33:31,007 INFO L226 Difference]: Without dead ends: 61507 [2023-12-02 17:33:31,008 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 17:33:31,009 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 98 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:31,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 524 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:33:31,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61507 states. [2023-12-02 17:33:32,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61507 to 59697. [2023-12-02 17:33:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59697 states, 59654 states have (on average 2.9440104603211856) internal successors, (175622), 59696 states have internal predecessors, (175622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59697 states to 59697 states and 175622 transitions. [2023-12-02 17:33:32,975 INFO L78 Accepts]: Start accepts. Automaton has 59697 states and 175622 transitions. Word has length 76 [2023-12-02 17:33:32,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:32,976 INFO L495 AbstractCegarLoop]: Abstraction has 59697 states and 175622 transitions. [2023-12-02 17:33:32,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:32,976 INFO L276 IsEmpty]: Start isEmpty. Operand 59697 states and 175622 transitions. [2023-12-02 17:33:32,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 17:33:32,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:32,993 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] [2023-12-02 17:33:32,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 17:33:32,993 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting monitor_threadErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-12-02 17:33:32,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:32,994 INFO L85 PathProgramCache]: Analyzing trace with hash 939740429, now seen corresponding path program 1 times [2023-12-02 17:33:32,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:32,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286300914] [2023-12-02 17:33:32,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:32,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:33,064 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 17:33:33,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:33:33,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286300914] [2023-12-02 17:33:33,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286300914] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:33,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:33,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:33:33,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065744060] [2023-12-02 17:33:33,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:33,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:33:33,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:33:33,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:33:33,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:33:33,068 INFO L87 Difference]: Start difference. First operand 59697 states and 175622 transitions. Second operand has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:33,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:33,402 INFO L93 Difference]: Finished difference Result 62973 states and 185297 transitions. [2023-12-02 17:33:33,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:33:33,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2023-12-02 17:33:33,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:33,526 INFO L225 Difference]: With dead ends: 62973 [2023-12-02 17:33:33,526 INFO L226 Difference]: Without dead ends: 46799 [2023-12-02 17:33:33,526 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 17:33:33,527 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 101 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:33,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 509 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:33:33,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46799 states. [2023-12-02 17:33:34,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46799 to 45431. [2023-12-02 17:33:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45431 states, 45392 states have (on average 2.909036834684526) internal successors, (132047), 45430 states have internal predecessors, (132047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45431 states to 45431 states and 132047 transitions. [2023-12-02 17:33:34,732 INFO L78 Accepts]: Start accepts. Automaton has 45431 states and 132047 transitions. Word has length 84 [2023-12-02 17:33:34,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:34,732 INFO L495 AbstractCegarLoop]: Abstraction has 45431 states and 132047 transitions. [2023-12-02 17:33:34,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:34,732 INFO L276 IsEmpty]: Start isEmpty. Operand 45431 states and 132047 transitions. [2023-12-02 17:33:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 17:33:34,762 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:34,762 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 17:33:34,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 17:33:34,763 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-12-02 17:33:34,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:34,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1567914838, now seen corresponding path program 1 times [2023-12-02 17:33:34,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:34,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834240164] [2023-12-02 17:33:34,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:34,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:35,552 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 17:33:35,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:33:35,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834240164] [2023-12-02 17:33:35,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834240164] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:35,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:35,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:33:35,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644567769] [2023-12-02 17:33:35,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:35,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:33:35,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:33:35,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:33:35,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:33:35,555 INFO L87 Difference]: Start difference. First operand 45431 states and 132047 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 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 17:33:36,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:36,016 INFO L93 Difference]: Finished difference Result 45368 states and 131920 transitions. [2023-12-02 17:33:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 17:33:36,017 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 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 17:33:36,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:36,131 INFO L225 Difference]: With dead ends: 45368 [2023-12-02 17:33:36,131 INFO L226 Difference]: Without dead ends: 33240 [2023-12-02 17:33:36,132 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 17:33:36,132 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 246 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:36,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1088 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:33:36,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33240 states. [2023-12-02 17:33:36,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33240 to 33240. [2023-12-02 17:33:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33240 states, 33207 states have (on average 2.897190351431927) internal successors, (96207), 33239 states have internal predecessors, (96207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:37,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33240 states to 33240 states and 96207 transitions. [2023-12-02 17:33:37,348 INFO L78 Accepts]: Start accepts. Automaton has 33240 states and 96207 transitions. Word has length 93 [2023-12-02 17:33:37,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:37,349 INFO L495 AbstractCegarLoop]: Abstraction has 33240 states and 96207 transitions. [2023-12-02 17:33:37,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 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 17:33:37,349 INFO L276 IsEmpty]: Start isEmpty. Operand 33240 states and 96207 transitions. [2023-12-02 17:33:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 17:33:37,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:37,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:33:37,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 17:33:37,378 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting monitor_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-12-02 17:33:37,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:37,379 INFO L85 PathProgramCache]: Analyzing trace with hash -727075905, now seen corresponding path program 1 times [2023-12-02 17:33:37,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:37,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065439051] [2023-12-02 17:33:37,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:37,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:33:37,589 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 17:33:37,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:33:37,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065439051] [2023-12-02 17:33:37,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065439051] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:33:37,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:33:37,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:33:37,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498082340] [2023-12-02 17:33:37,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:33:37,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:33:37,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:33:37,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:33:37,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:33:37,592 INFO L87 Difference]: Start difference. First operand 33240 states and 96207 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:37,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:33:37,808 INFO L93 Difference]: Finished difference Result 45777 states and 132780 transitions. [2023-12-02 17:33:37,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:33:37,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2023-12-02 17:33:37,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:33:37,949 INFO L225 Difference]: With dead ends: 45777 [2023-12-02 17:33:37,949 INFO L226 Difference]: Without dead ends: 45777 [2023-12-02 17:33:37,950 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 17:33:37,950 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 112 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:33:37,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 460 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:33:38,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45777 states. [2023-12-02 17:33:38,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45777 to 40359. [2023-12-02 17:33:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40359 states, 40326 states have (on average 2.8996429102812082) internal successors, (116931), 40358 states have internal predecessors, (116931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40359 states to 40359 states and 116931 transitions. [2023-12-02 17:33:39,053 INFO L78 Accepts]: Start accepts. Automaton has 40359 states and 116931 transitions. Word has length 100 [2023-12-02 17:33:39,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:33:39,053 INFO L495 AbstractCegarLoop]: Abstraction has 40359 states and 116931 transitions. [2023-12-02 17:33:39,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:33:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 40359 states and 116931 transitions. [2023-12-02 17:33:39,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 17:33:39,087 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:33:39,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:33:39,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 17:33:39,087 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting monitor_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-12-02 17:33:39,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:33:39,088 INFO L85 PathProgramCache]: Analyzing trace with hash 330679125, now seen corresponding path program 2 times [2023-12-02 17:33:39,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:33:39,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125257367] [2023-12-02 17:33:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:33:39,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:33:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:33:39,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:33:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:33:39,188 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:33:39,188 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:33:39,189 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2023-12-02 17:33:39,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2023-12-02 17:33:39,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2023-12-02 17:33:39,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2023-12-02 17:33:39,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2023-12-02 17:33:39,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2023-12-02 17:33:39,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2023-12-02 17:33:39,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2023-12-02 17:33:39,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2023-12-02 17:33:39,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2023-12-02 17:33:39,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2023-12-02 17:33:39,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2023-12-02 17:33:39,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2023-12-02 17:33:39,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2023-12-02 17:33:39,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2023-12-02 17:33:39,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2023-12-02 17:33:39,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2023-12-02 17:33:39,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2023-12-02 17:33:39,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2023-12-02 17:33:39,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 31 remaining) [2023-12-02 17:33:39,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 31 remaining) [2023-12-02 17:33:39,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2023-12-02 17:33:39,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2023-12-02 17:33:39,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2023-12-02 17:33:39,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2023-12-02 17:33:39,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2023-12-02 17:33:39,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2023-12-02 17:33:39,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2023-12-02 17:33:39,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2023-12-02 17:33:39,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2023-12-02 17:33:39,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2023-12-02 17:33:39,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 17:33:39,199 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:33:39,205 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 17:33:39,205 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:33:39,271 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet58 could not be translated [2023-12-02 17:33:39,272 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-12-02 17:33:39,272 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre59 could not be translated [2023-12-02 17:33:39,273 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet60 could not be translated [2023-12-02 17:33:39,273 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre59 could not be translated [2023-12-02 17:33:39,274 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre64 could not be translated [2023-12-02 17:33:39,275 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret43 could not be translated [2023-12-02 17:33:39,276 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret43 could not be translated [2023-12-02 17:33:39,276 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated [2023-12-02 17:33:39,276 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated [2023-12-02 17:33:39,277 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,277 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet45 could not be translated [2023-12-02 17:33:39,278 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,278 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,279 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,280 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post36 could not be translated [2023-12-02 17:33:39,280 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-12-02 17:33:39,281 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post36 could not be translated [2023-12-02 17:33:39,281 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-12-02 17:33:39,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:33:39 BasicIcfg [2023-12-02 17:33:39,291 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:33:39,291 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:33:39,291 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:33:39,291 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:33:39,292 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:33:03" (3/4) ... [2023-12-02 17:33:39,293 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:33:39,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:33:39,295 INFO L158 Benchmark]: Toolchain (without parser) took 37790.29ms. Allocated memory was 134.2MB in the beginning and 12.3GB in the end (delta: 12.1GB). Free memory was 86.6MB in the beginning and 9.5GB in the end (delta: -9.4GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2023-12-02 17:33:39,295 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:33:39,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1271.72ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 86.4MB in the beginning and 127.7MB in the end (delta: -41.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-12-02 17:33:39,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.26ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 124.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:33:39,296 INFO L158 Benchmark]: Boogie Preprocessor took 62.78ms. Allocated memory is still 165.7MB. Free memory was 124.4MB in the beginning and 120.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:33:39,296 INFO L158 Benchmark]: RCFGBuilder took 689.30ms. Allocated memory is still 165.7MB. Free memory was 120.7MB in the beginning and 89.2MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 17:33:39,297 INFO L158 Benchmark]: TraceAbstraction took 35668.16ms. Allocated memory was 165.7MB in the beginning and 12.3GB in the end (delta: 12.1GB). Free memory was 87.9MB in the beginning and 9.5GB in the end (delta: -9.4GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2023-12-02 17:33:39,297 INFO L158 Benchmark]: Witness Printer took 3.06ms. Allocated memory is still 12.3GB. Free memory is still 9.5GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:33:39,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1271.72ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 86.4MB in the beginning and 127.7MB in the end (delta: -41.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.26ms. Allocated memory is still 165.7MB. Free memory was 127.7MB in the beginning and 124.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.78ms. Allocated memory is still 165.7MB. Free memory was 124.4MB in the beginning and 120.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 689.30ms. Allocated memory is still 165.7MB. Free memory was 120.7MB in the beginning and 89.2MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 35668.16ms. Allocated memory was 165.7MB in the beginning and 12.3GB in the end (delta: 12.1GB). Free memory was 87.9MB in the beginning and 9.5GB in the end (delta: -9.4GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. * Witness Printer took 3.06ms. Allocated memory is still 12.3GB. Free memory is still 9.5GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - DataRaceFoundResult [Line: 1830]: Data race detected [2023-12-02 17:33:39,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-12-02 17:33:39,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet58 could not be translated [2023-12-02 17:33:39,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre59 could not be translated [2023-12-02 17:33:39,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet60 could not be translated [2023-12-02 17:33:39,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre59 could not be translated [2023-12-02 17:33:39,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre64 could not be translated [2023-12-02 17:33:39,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret43 could not be translated [2023-12-02 17:33:39,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret43 could not be translated [2023-12-02 17:33:39,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated [2023-12-02 17:33:39,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated [2023-12-02 17:33:39,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet45 could not be translated [2023-12-02 17:33:39,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post36 could not be translated [2023-12-02 17:33:39,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-12-02 17:33:39,346 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post36 could not be translated [2023-12-02 17:33:39,347 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-12-02 17:33:39,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet58 could not be translated [2023-12-02 17:33:39,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-12-02 17:33:39,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre59 could not be translated [2023-12-02 17:33:39,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet60 could not be translated [2023-12-02 17:33:39,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre59 could not be translated [2023-12-02 17:33:39,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre64 could not be translated [2023-12-02 17:33:39,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret43 could not be translated [2023-12-02 17:33:39,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret43 could not be translated [2023-12-02 17:33:39,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated [2023-12-02 17:33:39,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated [2023-12-02 17:33:39,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet45 could not be translated [2023-12-02 17:33:39,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 17:33:39,387 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post36 could not be translated [2023-12-02 17:33:39,387 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated [2023-12-02 17:33:39,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post36 could not be translated [2023-12-02 17:33:39,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated Data race detected The following path leads to a data race: [L1797] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex={25:0}] [L1798] 0 long counter; VAL [counter=0, mutex={25:0}] [L1799] 0 time_t end_time; VAL [counter=0, end_time=0, mutex={25:0}] [L1836] 0 int status; VAL [\old(argc)=1150, argc=1150, argv={1154:1153}, counter=0, end_time=0, mutex={25:0}] [L1837] 0 pthread_t counter_thread_id; VAL [\old(argc)=1150, argc=1150, argv={1154:1153}, counter=0, counter_thread_id={27:0}, end_time=0, mutex={25:0}] [L1838] 0 pthread_t monitor_thread_id; VAL [\old(argc)=1150, argc=1150, argv={1154:1153}, counter=0, counter_thread_id={27:0}, end_time=0, monitor_thread_id={26:0}, mutex={25:0}] [L1839] 0 end_time = time (((void *)0)) + 60 VAL [\old(argc)=1150, argc=1150, argv={1154:1153}, counter=0, counter_thread_id={27:0}, end_time=60, monitor_thread_id={26:0}, mutex={25:0}] [L1840] EXPR, FCALL, FORK 0 pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(argc)=1150, arg={0:0}, argc=1150, argv={1154:1153}, counter=0, counter_thread_id={27:0}, end_time=60, monitor_thread_id={26:0}, mutex={25:0}] [L1801] 1 int status; VAL [arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={25:0}] [L1802] 1 int spin; VAL [arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={25:0}] [L1840] 0 status = pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(argc)=1150, arg={0:0}, arg={0:0}, argc=1150, argv={1154:1153}, counter=0, counter_thread_id={27:0}, end_time=60, monitor_thread_id={26:0}, mutex={25:0}, status=0] [L1841] COND FALSE 0 !(status != 0) VAL [\old(argc)=1150, arg={0:0}, arg={0:0}, argc=1150, argv={1154:1153}, counter=0, counter_thread_id={27:0}, end_time=60, monitor_thread_id={26:0}, mutex={25:0}, status=0] [L1843] FCALL, FORK 0 pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0)) VAL [\old(argc)=1150, arg={0:0}, arg={0:0}, arg={0:0}, argc=1150, argv={1154:1153}, counter=0, counter_thread_id={27:0}, end_time=60, monitor_thread_id={26:0}, mutex={25:0}, status=0] [L1817] 2 int status; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, mutex={25:0}] [L1818] 2 int misses = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}] [L1819] 2 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}] [L1819] COND TRUE 2 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}] [L1803] 1 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}] [L1803] COND TRUE 1 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}] [L1821] 2 status = pthread_mutex_trylock (&mutex) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}, status=16] [L1822] COND FALSE 2 !(status != 16) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}, status=16] [L1830] 2 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}, status=16] [L1804] 1 status = pthread_mutex_lock (&mutex) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}, status=0, status=16] [L1805] COND FALSE 1 !(status != 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}, status=0, status=16] [L1807] 1 spin = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}, spin=0, status=0, status=16] [L1807] COND TRUE 1 spin < 10000000 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=60, misses=0, mutex={25:0}, spin=0, status=0, status=16] [L1808] 1 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=60, misses=0, mutex={25:0}, spin=0, status=0, status=16] [L1830] 2 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=60, misses=0, mutex={25:0}, spin=0, status=0, status=16] Now there is a data race on ~counter~0 between C: counter++ [1808] and C: counter++ [1830] - UnprovableResult [Line: 1819]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1824]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1828]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1803]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1806]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1811]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1839]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1842]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1845]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1846]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1848]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1849]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1851]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1843]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1840]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 407 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 35.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1589 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1589 mSDsluCounter, 6407 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3138 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 356 IncrementalHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 3269 mSDtfsCounter, 356 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102685occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 19.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 63206 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 765 NumberOfCodeBlocks, 765 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 656 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 RESULT: Ultimate proved your program to be incorrect! [2023-12-02 17:33:39,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a198b8-40ba-440c-8d51-1eb38d50ab13/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE