./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da9f6c449f4da806b6a3bb0aaf2c3c9171ea9b71d075f7e8b1d9543f656f7b8b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:21:50,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:21:50,691 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 19:21:50,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:21:50,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:21:50,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:21:50,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:21:50,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:21:50,735 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:21:50,735 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:21:50,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:21:50,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:21:50,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:21:50,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:21:50,737 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:21:50,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:21:50,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:21:50,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 19:21:50,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:21:50,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 19:21:50,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:21:50,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:21:50,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:21:50,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:21:50,744 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:21:50,744 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 19:21:50,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:21:50,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:21:50,745 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:21:50,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:21:50,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:21:50,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:21:50,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:21:50,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:21:50,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:21:50,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:21:50,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:21:50,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:21:50,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:21:50,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:21:50,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:21:50,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:21:50,748 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da9f6c449f4da806b6a3bb0aaf2c3c9171ea9b71d075f7e8b1d9543f656f7b8b [2024-11-16 19:21:50,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:21:50,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:21:50,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:21:50,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:21:50,964 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:21:50,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i [2024-11-16 19:21:52,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:21:52,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:21:52,436 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i [2024-11-16 19:21:52,454 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a481e5fa/d2ddd95a86a541cb8e255f2292f3afa3/FLAG86975fafe [2024-11-16 19:21:52,471 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a481e5fa/d2ddd95a86a541cb8e255f2292f3afa3 [2024-11-16 19:21:52,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:21:52,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:21:52,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:21:52,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:21:52,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:21:52,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:52,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690e545a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52, skipping insertion in model container [2024-11-16 19:21:52,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:52,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:21:52,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i[47038,47051] [2024-11-16 19:21:52,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:21:52,902 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:21:52,933 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i[47038,47051] [2024-11-16 19:21:52,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:21:52,998 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:21:52,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52 WrapperNode [2024-11-16 19:21:52,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:21:52,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:21:52,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:21:53,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:21:53,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,049 INFO L138 Inliner]: procedures = 280, calls = 96, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 353 [2024-11-16 19:21:53,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:21:53,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:21:53,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:21:53,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:21:53,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,084 INFO L175 MemorySlicer]: Split 51 memory accesses to 9 slices as follows [2, 23, 5, 5, 5, 5, 2, 2, 2]. 45 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 0, 5, 5, 5, 5, 0, 0, 0]. The 15 writes are split as follows [0, 12, 0, 0, 0, 0, 1, 1, 1]. [2024-11-16 19:21:53,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,099 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:21:53,108 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:21:53,108 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:21:53,108 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:21:53,109 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (1/1) ... [2024-11-16 19:21:53,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:21:53,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:21:53,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 19:21:53,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 19:21:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:21:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:21:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:21:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:21:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:21:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:21:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:21:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:21:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 19:21:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 19:21:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-16 19:21:53,199 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-16 19:21:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:21:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 19:21:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:21:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:21:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:21:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:21:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:21:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:21:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:21:53,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 19:21:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 19:21:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-16 19:21:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-16 19:21:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:21:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:21:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:21:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:21:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:21:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:21:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:21:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:21:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 19:21:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-16 19:21:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-11-16 19:21:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-11-16 19:21:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:21:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:21:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:21:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:21:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:21:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:21:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:21:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 19:21:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 19:21:53,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:21:53,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:21:53,207 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 19:21:53,391 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:21:53,393 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:21:53,795 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053: havoc main_~#t1_ids~0#1.base, main_~#t1_ids~0#1.offset; [2024-11-16 19:21:53,795 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1053-1: SUMMARY for call ULTIMATE.dealloc(main_~#t1_ids~0#1.base, main_~#t1_ids~0#1.offset); srcloc: null [2024-11-16 19:21:53,795 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1054: havoc main_~#t2_ids~0#1.base, main_~#t2_ids~0#1.offset; [2024-11-16 19:21:53,795 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1054-1: SUMMARY for call ULTIMATE.dealloc(main_~#t2_ids~0#1.base, main_~#t2_ids~0#1.offset); srcloc: null [2024-11-16 19:21:53,795 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1055: havoc main_~#t3_ids~0#1.base, main_~#t3_ids~0#1.offset; [2024-11-16 19:21:53,795 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1055-1: SUMMARY for call ULTIMATE.dealloc(main_~#t3_ids~0#1.base, main_~#t3_ids~0#1.offset); srcloc: null [2024-11-16 19:21:53,797 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 19:21:53,797 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:21:54,002 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:21:54,002 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:21:54,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:21:54 BoogieIcfgContainer [2024-11-16 19:21:54,003 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:21:54,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:21:54,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:21:54,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:21:54,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:21:52" (1/3) ... [2024-11-16 19:21:54,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379fdf90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:21:54, skipping insertion in model container [2024-11-16 19:21:54,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:21:52" (2/3) ... [2024-11-16 19:21:54,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379fdf90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:21:54, skipping insertion in model container [2024-11-16 19:21:54,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:21:54" (3/3) ... [2024-11-16 19:21:54,011 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_85-list2_racefree.i [2024-11-16 19:21:54,024 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:21:54,025 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-16 19:21:54,025 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 19:21:54,122 INFO L143 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2024-11-16 19:21:54,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 161 transitions, 361 flow [2024-11-16 19:21:54,256 INFO L124 PetriNetUnfolderBase]: 158/586 cut-off events. [2024-11-16 19:21:54,257 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-16 19:21:54,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 586 events. 158/586 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3493 event pairs, 0 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 305. Up to 16 conditions per place. [2024-11-16 19:21:54,267 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 161 transitions, 361 flow [2024-11-16 19:21:54,275 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 161 transitions, 361 flow [2024-11-16 19:21:54,283 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:21:54,288 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, 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;@496426a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:21:54,288 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-16 19:21:54,295 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 19:21:54,295 INFO L124 PetriNetUnfolderBase]: 4/30 cut-off events. [2024-11-16 19:21:54,296 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 19:21:54,296 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 19:21:54,297 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1] [2024-11-16 19:21:54,297 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-16 19:21:54,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:21:54,301 INFO L85 PathProgramCache]: Analyzing trace with hash -508985995, now seen corresponding path program 1 times [2024-11-16 19:21:54,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:21:54,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923317649] [2024-11-16 19:21:54,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:21:54,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:21:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 19:21:54,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 19:21:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 19:21:54,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 19:21:54,557 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 19:21:54,558 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-11-16 19:21:54,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-11-16 19:21:54,560 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-11-16 19:21:54,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-16 19:21:54,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-16 19:21:54,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-11-16 19:21:54,561 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-11-16 19:21:54,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:21:54,562 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 19:21:54,565 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 19:21:54,567 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 19:21:54,646 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-11-16 19:21:54,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 282 transitions, 648 flow [2024-11-16 19:21:55,227 INFO L124 PetriNetUnfolderBase]: 1106/3244 cut-off events. [2024-11-16 19:21:55,227 INFO L125 PetriNetUnfolderBase]: For 602/644 co-relation queries the response was YES. [2024-11-16 19:21:55,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3892 conditions, 3244 events. 1106/3244 cut-off events. For 602/644 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 25739 event pairs, 33 based on Foata normal form. 0/2410 useless extension candidates. Maximal degree in co-relation 2107. Up to 192 conditions per place. [2024-11-16 19:21:55,278 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 282 transitions, 648 flow [2024-11-16 19:21:55,314 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 282 transitions, 648 flow [2024-11-16 19:21:55,316 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:21:55,317 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, 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;@496426a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:21:55,318 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-16 19:21:55,325 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 19:21:55,326 INFO L124 PetriNetUnfolderBase]: 14/95 cut-off events. [2024-11-16 19:21:55,326 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 19:21:55,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 19:21:55,327 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1] [2024-11-16 19:21:55,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-16 19:21:55,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:21:55,327 INFO L85 PathProgramCache]: Analyzing trace with hash -293485321, now seen corresponding path program 1 times [2024-11-16 19:21:55,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:21:55,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672727068] [2024-11-16 19:21:55,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:21:55,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:21:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 19:21:55,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 19:21:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 19:21:55,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 19:21:55,455 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 19:21:55,456 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2024-11-16 19:21:55,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2024-11-16 19:21:55,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2024-11-16 19:21:55,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2024-11-16 19:21:55,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-11-16 19:21:55,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2024-11-16 19:21:55,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2024-11-16 19:21:55,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2024-11-16 19:21:55,457 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2024-11-16 19:21:55,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 19:21:55,457 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 19:21:55,458 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 19:21:55,458 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-16 19:21:55,566 INFO L143 ThreadInstanceAdder]: Constructed 27 joinOtherThreadTransitions. [2024-11-16 19:21:55,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 403 transitions, 941 flow [2024-11-16 19:22:00,088 INFO L124 PetriNetUnfolderBase]: 8924/19828 cut-off events. [2024-11-16 19:22:00,088 INFO L125 PetriNetUnfolderBase]: For 7059/7327 co-relation queries the response was YES. [2024-11-16 19:22:00,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26939 conditions, 19828 events. 8924/19828 cut-off events. For 7059/7327 co-relation queries the response was YES. Maximal size of possible extension queue 510. Compared 176276 event pairs, 1536 based on Foata normal form. 0/15628 useless extension candidates. Maximal degree in co-relation 13667. Up to 2304 conditions per place. [2024-11-16 19:22:00,557 INFO L82 GeneralOperation]: Start removeDead. Operand has 305 places, 403 transitions, 941 flow [2024-11-16 19:22:01,057 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 305 places, 403 transitions, 941 flow [2024-11-16 19:22:01,058 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:22:01,059 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, 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;@496426a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:22:01,059 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-16 19:22:01,078 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 19:22:01,078 INFO L124 PetriNetUnfolderBase]: 37/237 cut-off events. [2024-11-16 19:22:01,078 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-16 19:22:01,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 19:22:01,079 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1] [2024-11-16 19:22:01,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-11-16 19:22:01,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:22:01,079 INFO L85 PathProgramCache]: Analyzing trace with hash 431405908, now seen corresponding path program 1 times [2024-11-16 19:22:01,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:22:01,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856689158] [2024-11-16 19:22:01,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:22:01,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:22:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 19:22:01,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 19:22:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 19:22:01,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 19:22:01,168 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 19:22:01,169 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-11-16 19:22:01,169 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2024-11-16 19:22:01,169 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2024-11-16 19:22:01,169 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2024-11-16 19:22:01,169 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2024-11-16 19:22:01,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2024-11-16 19:22:01,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2024-11-16 19:22:01,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2024-11-16 19:22:01,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2024-11-16 19:22:01,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2024-11-16 19:22:01,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2024-11-16 19:22:01,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 19:22:01,171 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 19:22:01,171 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 19:22:01,171 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-16 19:22:01,275 INFO L143 ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions. [2024-11-16 19:22:01,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 395 places, 524 transitions, 1240 flow