./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/28-race_reach_03-munge_racing.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 80b1b132 Calling Ultimate with: /root/.sdkman/candidates/java/current/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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/28-race_reach_03-munge_racing.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-?-80b1b13-m [2024-01-31 17:42:42,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 17:42:42,661 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 17:42:42,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 17:42:42,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 17:42:42,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 17:42:42,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 17:42:42,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 17:42:42,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 17:42:42,694 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 17:42:42,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 17:42:42,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 17:42:42,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 17:42:42,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 17:42:42,707 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 17:42:42,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 17:42:42,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 17:42:42,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 17:42:42,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 17:42:42,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 17:42:42,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 17:42:42,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 17:42:42,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 17:42:42,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 17:42:42,709 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 17:42:42,709 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 17:42:42,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 17:42:42,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 17:42:42,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 17:42:42,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 17:42:42,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 17:42:42,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 17:42:42,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:42:42,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 17:42:42,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 17:42:42,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 17:42:42,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 17:42:42,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 17:42:42,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 17:42:42,714 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 17:42:42,714 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 17:42:42,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 17:42:42,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 17:42:42,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 17:42:42,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 17:42:42,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 17:42:42,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 17:42:42,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 17:42:42,954 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 17:42:42,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i [2024-01-31 17:42:43,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 17:42:44,291 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 17:42:44,304 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i [2024-01-31 17:42:44,315 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c7c6563/86c9a41fbb5c4e9cb65e41ec6505cf3e/FLAG9006c30e0 [2024-01-31 17:42:44,326 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c7c6563/86c9a41fbb5c4e9cb65e41ec6505cf3e [2024-01-31 17:42:44,336 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 17:42:44,337 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 17:42:44,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/28-race_reach_03-munge_racing.yml/witness.yml [2024-01-31 17:42:44,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 17:42:44,412 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 17:42:44,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 17:42:44,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 17:42:44,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 17:42:44,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:42:44" (1/2) ... [2024-01-31 17:42:44,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa4dfe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:42:44, skipping insertion in model container [2024-01-31 17:42:44,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 05:42:44" (1/2) ... [2024-01-31 17:42:44,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cede825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 05:42:44, skipping insertion in model container [2024-01-31 17:42:44,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:42:44" (2/2) ... [2024-01-31 17:42:44,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa4dfe9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44, skipping insertion in model container [2024-01-31 17:42:44,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:42:44" (2/2) ... [2024-01-31 17:42:44,420 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 17:42:44,480 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 17:42:44,481 INFO L98 nessWitnessExtractor]: Location invariant after [L702-L702] m == & mutex1 || m == & mutex2 [2024-01-31 17:42:44,481 INFO L98 nessWitnessExtractor]: Location invariant after [L702-L702] (-2147483647 <= global) && (m == & mutex1 || m == & mutex2) [2024-01-31 17:42:44,481 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] m == & mutex1 || m == & mutex2 [2024-01-31 17:42:44,481 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] m == & mutex1 || m == & mutex2 [2024-01-31 17:42:44,482 INFO L98 nessWitnessExtractor]: Location invariant after [L702-L702] (global <= 2147483646) && (m == & mutex1 || m == & mutex2) [2024-01-31 17:42:44,482 INFO L98 nessWitnessExtractor]: Location invariant after [L702-L702] m == & mutex1 || m == & mutex2 [2024-01-31 17:42:44,519 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 17:42:44,762 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i[30176,30189] [2024-01-31 17:42:44,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 17:42:44,796 INFO L204 MainTranslator]: Completed pre-run [2024-01-31 17:42:44,831 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_03-munge_racing.i[30176,30189] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 17:42:44,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 17:42:44,910 INFO L208 MainTranslator]: Completed translation [2024-01-31 17:42:44,913 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44 WrapperNode [2024-01-31 17:42:44,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 17:42:44,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 17:42:44,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 17:42:44,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 17:42:44,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:44,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:44,975 INFO L138 Inliner]: procedures = 173, calls = 47, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 234 [2024-01-31 17:42:44,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 17:42:44,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 17:42:44,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 17:42:44,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 17:42:44,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:44,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:44,998 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:45,022 INFO L175 MemorySlicer]: Split 21 memory accesses to 5 slices as follows [2, 2, 5, 2, 10]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 5, 0, 10]. The 2 writes are split as follows [0, 1, 0, 1, 0]. [2024-01-31 17:42:45,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:45,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:45,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:45,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:45,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:45,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:45,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 17:42:45,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 17:42:45,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 17:42:45,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 17:42:45,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (1/1) ... [2024-01-31 17:42:45,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 17:42:45,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 17:42:45,090 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) [2024-01-31 17:42:45,115 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 [2024-01-31 17:42:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 17:42:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 17:42:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 17:42:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 17:42:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-31 17:42:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-01-31 17:42:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-01-31 17:42:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 17:42:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 17:42:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 17:42:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 17:42:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-31 17:42:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-31 17:42:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 17:42:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 17:42:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-01-31 17:42:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-01-31 17:42:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 17:42:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 17:42:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 17:42:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 17:42:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 17:42:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-31 17:42:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-31 17:42:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 17:42:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 17:42:45,131 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 17:42:45,229 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 17:42:45,234 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 17:42:45,538 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 17:42:45,538 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 17:42:45,721 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 17:42:45,721 INFO L320 CfgBuilder]: Removed 24 assume(true) statements. [2024-01-31 17:42:45,721 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:42:45 BoogieIcfgContainer [2024-01-31 17:42:45,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 17:42:45,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 17:42:45,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 17:42:45,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 17:42:45,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 05:42:44" (1/4) ... [2024-01-31 17:42:45,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2d3852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 05:42:45, skipping insertion in model container [2024-01-31 17:42:45,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 05:42:44" (2/4) ... [2024-01-31 17:42:45,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2d3852 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 05:42:45, skipping insertion in model container [2024-01-31 17:42:45,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 05:42:44" (3/4) ... [2024-01-31 17:42:45,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d2d3852 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 05:42:45, skipping insertion in model container [2024-01-31 17:42:45,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:42:45" (4/4) ... [2024-01-31 17:42:45,729 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_03-munge_racing.i [2024-01-31 17:42:45,741 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 17:42:45,742 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-01-31 17:42:45,742 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 17:42:45,808 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-31 17:42:45,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 125 transitions, 270 flow [2024-01-31 17:42:45,896 INFO L124 PetriNetUnfolderBase]: 44/208 cut-off events. [2024-01-31 17:42:45,896 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-01-31 17:42:45,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 208 events. 44/208 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1050 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 130. Up to 8 conditions per place. [2024-01-31 17:42:45,900 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 125 transitions, 270 flow [2024-01-31 17:42:45,904 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 125 transitions, 270 flow [2024-01-31 17:42:45,910 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 17:42:45,914 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=false, 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;@63b5ef26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 17:42:45,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-01-31 17:42:45,919 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 17:42:45,919 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-01-31 17:42:45,919 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 17:42:45,919 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:42:45,920 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2024-01-31 17:42:45,920 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr5ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-01-31 17:42:45,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:42:45,924 INFO L85 PathProgramCache]: Analyzing trace with hash 987872879, now seen corresponding path program 1 times [2024-01-31 17:42:45,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:42:45,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583719728] [2024-01-31 17:42:45,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:42:45,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:42:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 17:42:46,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 17:42:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 17:42:46,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 17:42:46,100 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 17:42:46,101 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 30 remaining) [2024-01-31 17:42:46,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 30 remaining) [2024-01-31 17:42:46,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 30 remaining) [2024-01-31 17:42:46,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONERROR_FUNCTION (26 of 30 remaining) [2024-01-31 17:42:46,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 30 remaining) [2024-01-31 17:42:46,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 30 remaining) [2024-01-31 17:42:46,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 30 remaining) [2024-01-31 17:42:46,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 30 remaining) [2024-01-31 17:42:46,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 30 remaining) [2024-01-31 17:42:46,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 30 remaining) [2024-01-31 17:42:46,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 30 remaining) [2024-01-31 17:42:46,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONERROR_FUNCTION (18 of 30 remaining) [2024-01-31 17:42:46,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 30 remaining) [2024-01-31 17:42:46,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 30 remaining) [2024-01-31 17:42:46,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 30 remaining) [2024-01-31 17:42:46,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 30 remaining) [2024-01-31 17:42:46,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 30 remaining) [2024-01-31 17:42:46,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 30 remaining) [2024-01-31 17:42:46,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONERROR_FUNCTION (11 of 30 remaining) [2024-01-31 17:42:46,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 30 remaining) [2024-01-31 17:42:46,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 30 remaining) [2024-01-31 17:42:46,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 30 remaining) [2024-01-31 17:42:46,107 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 30 remaining) [2024-01-31 17:42:46,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 30 remaining) [2024-01-31 17:42:46,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 30 remaining) [2024-01-31 17:42:46,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 30 remaining) [2024-01-31 17:42:46,108 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 30 remaining) [2024-01-31 17:42:46,109 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 30 remaining) [2024-01-31 17:42:46,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 30 remaining) [2024-01-31 17:42:46,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 30 remaining) [2024-01-31 17:42:46,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 17:42:46,111 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-01-31 17:42:46,116 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-31 17:42:46,116 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-01-31 17:42:46,181 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-01-31 17:42:46,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 235 transitions, 514 flow [2024-01-31 17:42:46,288 INFO L124 PetriNetUnfolderBase]: 153/619 cut-off events. [2024-01-31 17:42:46,289 INFO L125 PetriNetUnfolderBase]: For 72/80 co-relation queries the response was YES. [2024-01-31 17:42:46,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 619 events. 153/619 cut-off events. For 72/80 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4226 event pairs, 1 based on Foata normal form. 0/423 useless extension candidates. Maximal degree in co-relation 397. Up to 32 conditions per place. [2024-01-31 17:42:46,299 INFO L82 GeneralOperation]: Start removeDead. Operand has 188 places, 235 transitions, 514 flow [2024-01-31 17:42:46,308 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 188 places, 235 transitions, 514 flow [2024-01-31 17:42:46,310 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 17:42:46,313 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=false, 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;@63b5ef26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 17:42:46,313 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-01-31 17:42:46,319 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 17:42:46,319 INFO L124 PetriNetUnfolderBase]: 3/60 cut-off events. [2024-01-31 17:42:46,320 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-01-31 17:42:46,320 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:42:46,321 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1] [2024-01-31 17:42:46,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr5ASSERT_VIOLATIONERROR_FUNCTION (and 41 more)] === [2024-01-31 17:42:46,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:42:46,322 INFO L85 PathProgramCache]: Analyzing trace with hash 358139756, now seen corresponding path program 1 times [2024-01-31 17:42:46,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:42:46,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895260170] [2024-01-31 17:42:46,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:42:46,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:42:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 17:42:46,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 17:42:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 17:42:46,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 17:42:46,410 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 17:42:46,410 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 44 remaining) [2024-01-31 17:42:46,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 44 remaining) [2024-01-31 17:42:46,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 44 remaining) [2024-01-31 17:42:46,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONERROR_FUNCTION (40 of 44 remaining) [2024-01-31 17:42:46,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 44 remaining) [2024-01-31 17:42:46,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 44 remaining) [2024-01-31 17:42:46,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 44 remaining) [2024-01-31 17:42:46,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 44 remaining) [2024-01-31 17:42:46,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 44 remaining) [2024-01-31 17:42:46,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 44 remaining) [2024-01-31 17:42:46,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 44 remaining) [2024-01-31 17:42:46,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONERROR_FUNCTION (32 of 44 remaining) [2024-01-31 17:42:46,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 44 remaining) [2024-01-31 17:42:46,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 44 remaining) [2024-01-31 17:42:46,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 44 remaining) [2024-01-31 17:42:46,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 44 remaining) [2024-01-31 17:42:46,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 44 remaining) [2024-01-31 17:42:46,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 44 remaining) [2024-01-31 17:42:46,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONERROR_FUNCTION (25 of 44 remaining) [2024-01-31 17:42:46,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 44 remaining) [2024-01-31 17:42:46,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 44 remaining) [2024-01-31 17:42:46,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 44 remaining) [2024-01-31 17:42:46,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 44 remaining) [2024-01-31 17:42:46,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 44 remaining) [2024-01-31 17:42:46,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 44 remaining) [2024-01-31 17:42:46,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr5ASSERT_VIOLATIONERROR_FUNCTION (18 of 44 remaining) [2024-01-31 17:42:46,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 44 remaining) [2024-01-31 17:42:46,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 44 remaining) [2024-01-31 17:42:46,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 44 remaining) [2024-01-31 17:42:46,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 44 remaining) [2024-01-31 17:42:46,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 44 remaining) [2024-01-31 17:42:46,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 44 remaining) [2024-01-31 17:42:46,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONERROR_FUNCTION (11 of 44 remaining) [2024-01-31 17:42:46,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 44 remaining) [2024-01-31 17:42:46,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 44 remaining) [2024-01-31 17:42:46,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 44 remaining) [2024-01-31 17:42:46,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 44 remaining) [2024-01-31 17:42:46,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 44 remaining) [2024-01-31 17:42:46,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 44 remaining) [2024-01-31 17:42:46,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 44 remaining) [2024-01-31 17:42:46,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 44 remaining) [2024-01-31 17:42:46,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 44 remaining) [2024-01-31 17:42:46,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 44 remaining) [2024-01-31 17:42:46,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 44 remaining) [2024-01-31 17:42:46,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 17:42:46,419 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-01-31 17:42:46,419 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-31 17:42:46,419 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-01-31 17:42:46,489 INFO L144 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2024-01-31 17:42:46,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 274 places, 345 transitions, 762 flow [2024-01-31 17:42:46,796 INFO L124 PetriNetUnfolderBase]: 516/1622 cut-off events. [2024-01-31 17:42:46,797 INFO L125 PetriNetUnfolderBase]: For 419/443 co-relation queries the response was YES. [2024-01-31 17:42:46,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2058 conditions, 1622 events. 516/1622 cut-off events. For 419/443 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 12092 event pairs, 32 based on Foata normal form. 0/1185 useless extension candidates. Maximal degree in co-relation 1173. Up to 192 conditions per place. [2024-01-31 17:42:46,822 INFO L82 GeneralOperation]: Start removeDead. Operand has 274 places, 345 transitions, 762 flow [2024-01-31 17:42:46,855 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 274 places, 345 transitions, 762 flow [2024-01-31 17:42:46,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 17:42:46,859 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=false, 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;@63b5ef26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 17:42:46,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-01-31 17:42:46,864 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 17:42:46,864 INFO L124 PetriNetUnfolderBase]: 4/75 cut-off events. [2024-01-31 17:42:46,864 INFO L125 PetriNetUnfolderBase]: For 11/13 co-relation queries the response was YES. [2024-01-31 17:42:46,864 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 17:42:46,865 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 17:42:46,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t2_funErr5ASSERT_VIOLATIONERROR_FUNCTION (and 55 more)] === [2024-01-31 17:42:46,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 17:42:46,865 INFO L85 PathProgramCache]: Analyzing trace with hash 508430567, now seen corresponding path program 1 times [2024-01-31 17:42:46,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 17:42:46,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404960055] [2024-01-31 17:42:46,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 17:42:46,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 17:42:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 17:42:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 17:42:46,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 17:42:46,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404960055] [2024-01-31 17:42:46,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404960055] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 17:42:46,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 17:42:46,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 17:42:46,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050162] [2024-01-31 17:42:46,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 17:42:46,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 17:42:46,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 17:42:46,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 17:42:47,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 17:42:47,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 345 [2024-01-31 17:42:47,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 345 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 17:42:47,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 17:42:47,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 345 [2024-01-31 17:42:47,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand