./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/43_NetBSD_sysmon_power_sliced-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/43_NetBSD_sysmon_power_sliced-pthread.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-dev-958ec4d-m [2024-02-07 14:23:23,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:23:23,105 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:23:23,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:23:23,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:23:23,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:23:23,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:23:23,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:23:23,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:23:23,135 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:23:23,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:23:23,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:23:23,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:23:23,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:23:23,137 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:23:23,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:23:23,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:23:23,138 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:23:23,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:23:23,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:23:23,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:23:23,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:23:23,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:23:23,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:23:23,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:23:23,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:23:23,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:23:23,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:23:23,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:23:23,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:23:23,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:23:23,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:23:23,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:23:23,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:23:23,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:23:23,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:23:23,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:23:23,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:23:23,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:23:23,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:23:23,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:23:23,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:23:23,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:23:23,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:23:23,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:23:23,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:23:23,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:23:23,390 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:23:23,390 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:23:23,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-02-07 14:23:24,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:23:24,555 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:23:24,556 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i [2024-02-07 14:23:24,566 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2cd89549/df2905635877449fb3f0113285cc46ff/FLAG3e3848bc0 [2024-02-07 14:23:24,576 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2cd89549/df2905635877449fb3f0113285cc46ff [2024-02-07 14:23:24,578 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:23:24,579 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:23:24,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/43_NetBSD_sysmon_power_sliced-pthread.yml/witness.yml [2024-02-07 14:23:24,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:23:24,630 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:23:24,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:23:24,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:23:24,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:23:24,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:23:24" (1/2) ... [2024-02-07 14:23:24,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bba0561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:23:24, skipping insertion in model container [2024-02-07 14:23:24,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:23:24" (1/2) ... [2024-02-07 14:23:24,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cbbce13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:23:24, skipping insertion in model container [2024-02-07 14:23:24,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:23:24" (2/2) ... [2024-02-07 14:23:24,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bba0561 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:24, skipping insertion in model container [2024-02-07 14:23:24,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:23:24" (2/2) ... [2024-02-07 14:23:24,638 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:23:24,663 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:23:24,665 INFO L76 edCorrectnessWitness]: Location invariant before [L722-L722] COND == (_Bool)1 [2024-02-07 14:23:24,665 INFO L76 edCorrectnessWitness]: Location invariant before [L747-L747] COND == (_Bool)1 [2024-02-07 14:23:24,665 INFO L76 edCorrectnessWitness]: Location invariant before [L739-L739] COND == (_Bool)0 || COND == (_Bool)1 [2024-02-07 14:23:24,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:23:24,926 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2024-02-07 14:23:24,932 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] [2024-02-07 14:23:24,941 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2024-02-07 14:23:24,944 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-02-07 14:23:24,950 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] [2024-02-07 14:23:24,955 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2024-02-07 14:23:24,981 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-02-07 14:23:24,983 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-02-07 14:23:24,984 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-02-07 14:23:24,985 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2024-02-07 14:23:24,987 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2024-02-07 14:23:24,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:23:25,000 INFO L203 MainTranslator]: Completed pre-run [2024-02-07 14:23:25,041 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30535,30548] [2024-02-07 14:23:25,042 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[30687,30700] Start Parsing Local [2024-02-07 14:23:25,061 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31414,31427] [2024-02-07 14:23:25,062 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31599,31612] [2024-02-07 14:23:25,063 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[31752,31765] Start Parsing Local Start Parsing Local [2024-02-07 14:23:25,065 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32141,32154] [2024-02-07 14:23:25,066 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32327,32340] [2024-02-07 14:23:25,066 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32488,32501] [2024-02-07 14:23:25,067 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32646,32659] [2024-02-07 14:23:25,067 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[32802,32815] [2024-02-07 14:23:25,068 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced-pthread.i[33149,33162] [2024-02-07 14:23:25,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:23:25,099 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:23:25,099 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25 WrapperNode [2024-02-07 14:23:25,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:23:25,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:23:25,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:23:25,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:23:25,105 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 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,115 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 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,136 INFO L138 Inliner]: procedures = 174, calls = 65, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 359 [2024-02-07 14:23:25,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:23:25,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:23:25,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:23:25,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:23:25,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,155 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,182 INFO L175 MemorySlicer]: Split 18 memory accesses to 4 slices as follows [2, 1, 5, 10]. 56 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 5, 10]. The 1 writes are split as follows [0, 1, 0, 0]. [2024-02-07 14:23:25,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:23:25,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:23:25,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:23:25,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:23:25,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (1/1) ... [2024-02-07 14:23:25,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:23:25,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:23:25,239 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) [2024-02-07 14:23:25,241 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 [2024-02-07 14:23:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-02-07 14:23:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-02-07 14:23:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:23:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:23:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:23:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:23:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-07 14:23:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:23:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:23:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:23:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:23:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:23:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:23:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:23:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-07 14:23:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:23:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:23:25,275 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:23:25,386 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:23:25,387 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:23:25,714 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:23:25,715 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:23:25,860 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:23:25,861 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-02-07 14:23:25,861 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:23:25 BoogieIcfgContainer [2024-02-07 14:23:25,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:23:25,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:23:25,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:23:25,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:23:25,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:23:24" (1/4) ... [2024-02-07 14:23:25,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613a0be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:23:25, skipping insertion in model container [2024-02-07 14:23:25,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:23:24" (2/4) ... [2024-02-07 14:23:25,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613a0be6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:23:25, skipping insertion in model container [2024-02-07 14:23:25,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:25" (3/4) ... [2024-02-07 14:23:25,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613a0be6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:23:25, skipping insertion in model container [2024-02-07 14:23:25,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:23:25" (4/4) ... [2024-02-07 14:23:25,869 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced-pthread.i [2024-02-07 14:23:25,884 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:23:25,884 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-02-07 14:23:25,884 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:23:26,023 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:23:26,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 171 transitions, 346 flow [2024-02-07 14:23:26,106 INFO L124 PetriNetUnfolderBase]: 37/173 cut-off events. [2024-02-07 14:23:26,107 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:23:26,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 173 events. 37/173 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 759 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 168. Up to 10 conditions per place. [2024-02-07 14:23:26,110 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 171 transitions, 346 flow [2024-02-07 14:23:26,116 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 171 transitions, 346 flow [2024-02-07 14:23:26,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:23:26,137 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;@418783be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:23:26,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-02-07 14:23:26,141 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:23:26,141 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-02-07 14:23:26,141 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:23:26,141 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:23:26,143 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2024-02-07 14:23:26,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-02-07 14:23:26,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:23:26,147 INFO L85 PathProgramCache]: Analyzing trace with hash 849597922, now seen corresponding path program 1 times [2024-02-07 14:23:26,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:23:26,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543161485] [2024-02-07 14:23:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:23:26,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:23:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:26,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:23:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:26,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:23:26,315 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:23:26,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 29 remaining) [2024-02-07 14:23:26,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 29 remaining) [2024-02-07 14:23:26,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (26 of 29 remaining) [2024-02-07 14:23:26,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (25 of 29 remaining) [2024-02-07 14:23:26,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (24 of 29 remaining) [2024-02-07 14:23:26,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (23 of 29 remaining) [2024-02-07 14:23:26,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (22 of 29 remaining) [2024-02-07 14:23:26,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (21 of 29 remaining) [2024-02-07 14:23:26,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 29 remaining) [2024-02-07 14:23:26,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 29 remaining) [2024-02-07 14:23:26,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (18 of 29 remaining) [2024-02-07 14:23:26,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (17 of 29 remaining) [2024-02-07 14:23:26,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (16 of 29 remaining) [2024-02-07 14:23:26,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (15 of 29 remaining) [2024-02-07 14:23:26,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 29 remaining) [2024-02-07 14:23:26,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 29 remaining) [2024-02-07 14:23:26,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (12 of 29 remaining) [2024-02-07 14:23:26,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (11 of 29 remaining) [2024-02-07 14:23:26,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (10 of 29 remaining) [2024-02-07 14:23:26,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (9 of 29 remaining) [2024-02-07 14:23:26,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (8 of 29 remaining) [2024-02-07 14:23:26,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (7 of 29 remaining) [2024-02-07 14:23:26,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 29 remaining) [2024-02-07 14:23:26,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (5 of 29 remaining) [2024-02-07 14:23:26,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (4 of 29 remaining) [2024-02-07 14:23:26,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (3 of 29 remaining) [2024-02-07 14:23:26,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (2 of 29 remaining) [2024-02-07 14:23:26,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (1 of 29 remaining) [2024-02-07 14:23:26,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 29 remaining) [2024-02-07 14:23:26,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:23:26,329 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:23:26,333 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-02-07 14:23:26,333 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-02-07 14:23:26,403 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:23:26,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 269 places, 338 transitions, 686 flow [2024-02-07 14:23:26,485 INFO L124 PetriNetUnfolderBase]: 74/342 cut-off events. [2024-02-07 14:23:26,486 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-07 14:23:26,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 342 events. 74/342 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1972 event pairs, 0 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 334. Up to 10 conditions per place. [2024-02-07 14:23:26,507 INFO L82 GeneralOperation]: Start removeDead. Operand has 269 places, 338 transitions, 686 flow [2024-02-07 14:23:26,512 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 269 places, 338 transitions, 686 flow [2024-02-07 14:23:26,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:23:26,516 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;@418783be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:23:26,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2024-02-07 14:23:26,520 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:23:26,521 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-02-07 14:23:26,521 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-07 14:23:26,522 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:23:26,522 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2024-02-07 14:23:26,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2024-02-07 14:23:26,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:23:26,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1311119612, now seen corresponding path program 1 times [2024-02-07 14:23:26,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:23:26,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027937898] [2024-02-07 14:23:26,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:23:26,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:23:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:26,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:23:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:26,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:23:26,568 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:23:26,569 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 43 remaining) [2024-02-07 14:23:26,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 43 remaining) [2024-02-07 14:23:26,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (40 of 43 remaining) [2024-02-07 14:23:26,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (39 of 43 remaining) [2024-02-07 14:23:26,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (38 of 43 remaining) [2024-02-07 14:23:26,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (37 of 43 remaining) [2024-02-07 14:23:26,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (36 of 43 remaining) [2024-02-07 14:23:26,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (35 of 43 remaining) [2024-02-07 14:23:26,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 43 remaining) [2024-02-07 14:23:26,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (33 of 43 remaining) [2024-02-07 14:23:26,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (32 of 43 remaining) [2024-02-07 14:23:26,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (31 of 43 remaining) [2024-02-07 14:23:26,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (30 of 43 remaining) [2024-02-07 14:23:26,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (29 of 43 remaining) [2024-02-07 14:23:26,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 43 remaining) [2024-02-07 14:23:26,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 43 remaining) [2024-02-07 14:23:26,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (26 of 43 remaining) [2024-02-07 14:23:26,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (25 of 43 remaining) [2024-02-07 14:23:26,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (24 of 43 remaining) [2024-02-07 14:23:26,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (23 of 43 remaining) [2024-02-07 14:23:26,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (22 of 43 remaining) [2024-02-07 14:23:26,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (21 of 43 remaining) [2024-02-07 14:23:26,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 43 remaining) [2024-02-07 14:23:26,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 43 remaining) [2024-02-07 14:23:26,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (18 of 43 remaining) [2024-02-07 14:23:26,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (17 of 43 remaining) [2024-02-07 14:23:26,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (16 of 43 remaining) [2024-02-07 14:23:26,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (15 of 43 remaining) [2024-02-07 14:23:26,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 43 remaining) [2024-02-07 14:23:26,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 43 remaining) [2024-02-07 14:23:26,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (12 of 43 remaining) [2024-02-07 14:23:26,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (11 of 43 remaining) [2024-02-07 14:23:26,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (10 of 43 remaining) [2024-02-07 14:23:26,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (9 of 43 remaining) [2024-02-07 14:23:26,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (8 of 43 remaining) [2024-02-07 14:23:26,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (7 of 43 remaining) [2024-02-07 14:23:26,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 43 remaining) [2024-02-07 14:23:26,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (5 of 43 remaining) [2024-02-07 14:23:26,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (4 of 43 remaining) [2024-02-07 14:23:26,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (3 of 43 remaining) [2024-02-07 14:23:26,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (2 of 43 remaining) [2024-02-07 14:23:26,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (1 of 43 remaining) [2024-02-07 14:23:26,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 43 remaining) [2024-02-07 14:23:26,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:23:26,581 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:23:26,582 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-02-07 14:23:26,585 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-02-07 14:23:26,666 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:23:26,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 401 places, 505 transitions, 1028 flow [2024-02-07 14:23:26,762 INFO L124 PetriNetUnfolderBase]: 111/511 cut-off events. [2024-02-07 14:23:26,762 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-02-07 14:23:26,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 511 events. 111/511 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3320 event pairs, 0 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 500. Up to 10 conditions per place. [2024-02-07 14:23:26,774 INFO L82 GeneralOperation]: Start removeDead. Operand has 401 places, 505 transitions, 1028 flow [2024-02-07 14:23:26,787 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 401 places, 505 transitions, 1028 flow [2024-02-07 14:23:26,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:23:26,788 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;@418783be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:23:26,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2024-02-07 14:23:26,793 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:23:26,793 INFO L124 PetriNetUnfolderBase]: 1/37 cut-off events. [2024-02-07 14:23:26,794 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-02-07 14:23:26,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:23:26,794 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2024-02-07 14:23:26,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (and 54 more)] === [2024-02-07 14:23:26,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:23:26,795 INFO L85 PathProgramCache]: Analyzing trace with hash -297217206, now seen corresponding path program 1 times [2024-02-07 14:23:26,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:23:26,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448939223] [2024-02-07 14:23:26,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:23:26,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:23:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:26,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:23:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:26,871 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:23:26,874 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:23:26,875 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 57 remaining) [2024-02-07 14:23:26,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 57 remaining) [2024-02-07 14:23:26,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (54 of 57 remaining) [2024-02-07 14:23:26,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (53 of 57 remaining) [2024-02-07 14:23:26,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (52 of 57 remaining) [2024-02-07 14:23:26,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (51 of 57 remaining) [2024-02-07 14:23:26,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (50 of 57 remaining) [2024-02-07 14:23:26,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (49 of 57 remaining) [2024-02-07 14:23:26,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 57 remaining) [2024-02-07 14:23:26,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (47 of 57 remaining) [2024-02-07 14:23:26,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (46 of 57 remaining) [2024-02-07 14:23:26,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (45 of 57 remaining) [2024-02-07 14:23:26,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (44 of 57 remaining) [2024-02-07 14:23:26,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (43 of 57 remaining) [2024-02-07 14:23:26,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 57 remaining) [2024-02-07 14:23:26,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 57 remaining) [2024-02-07 14:23:26,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (40 of 57 remaining) [2024-02-07 14:23:26,879 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (39 of 57 remaining) [2024-02-07 14:23:26,879 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (38 of 57 remaining) [2024-02-07 14:23:26,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (37 of 57 remaining) [2024-02-07 14:23:26,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (36 of 57 remaining) [2024-02-07 14:23:26,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (35 of 57 remaining) [2024-02-07 14:23:26,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 57 remaining) [2024-02-07 14:23:26,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (33 of 57 remaining) [2024-02-07 14:23:26,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (32 of 57 remaining) [2024-02-07 14:23:26,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (31 of 57 remaining) [2024-02-07 14:23:26,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (30 of 57 remaining) [2024-02-07 14:23:26,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (29 of 57 remaining) [2024-02-07 14:23:26,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 57 remaining) [2024-02-07 14:23:26,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 57 remaining) [2024-02-07 14:23:26,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (26 of 57 remaining) [2024-02-07 14:23:26,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (25 of 57 remaining) [2024-02-07 14:23:26,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (24 of 57 remaining) [2024-02-07 14:23:26,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (23 of 57 remaining) [2024-02-07 14:23:26,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (22 of 57 remaining) [2024-02-07 14:23:26,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (21 of 57 remaining) [2024-02-07 14:23:26,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 57 remaining) [2024-02-07 14:23:26,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 57 remaining) [2024-02-07 14:23:26,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (18 of 57 remaining) [2024-02-07 14:23:26,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (17 of 57 remaining) [2024-02-07 14:23:26,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (16 of 57 remaining) [2024-02-07 14:23:26,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (15 of 57 remaining) [2024-02-07 14:23:26,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 57 remaining) [2024-02-07 14:23:26,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 57 remaining) [2024-02-07 14:23:26,884 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (12 of 57 remaining) [2024-02-07 14:23:26,885 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (11 of 57 remaining) [2024-02-07 14:23:26,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (10 of 57 remaining) [2024-02-07 14:23:26,887 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (9 of 57 remaining) [2024-02-07 14:23:26,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (8 of 57 remaining) [2024-02-07 14:23:26,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (7 of 57 remaining) [2024-02-07 14:23:26,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 57 remaining) [2024-02-07 14:23:26,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (5 of 57 remaining) [2024-02-07 14:23:26,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (4 of 57 remaining) [2024-02-07 14:23:26,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (3 of 57 remaining) [2024-02-07 14:23:26,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (2 of 57 remaining) [2024-02-07 14:23:26,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (1 of 57 remaining) [2024-02-07 14:23:26,892 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 57 remaining) [2024-02-07 14:23:26,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:23:26,892 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:23:26,892 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-02-07 14:23:26,893 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-02-07 14:23:26,982 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:23:26,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 533 places, 672 transitions, 1372 flow [2024-02-07 14:23:27,144 INFO L124 PetriNetUnfolderBase]: 148/680 cut-off events. [2024-02-07 14:23:27,144 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-02-07 14:23:27,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 680 events. 148/680 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 4808 event pairs, 0 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 666. Up to 10 conditions per place. [2024-02-07 14:23:27,162 INFO L82 GeneralOperation]: Start removeDead. Operand has 533 places, 672 transitions, 1372 flow [2024-02-07 14:23:27,181 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 533 places, 672 transitions, 1372 flow [2024-02-07 14:23:27,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:23:27,182 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;@418783be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:23:27,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2024-02-07 14:23:27,189 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:23:27,189 INFO L124 PetriNetUnfolderBase]: 2/75 cut-off events. [2024-02-07 14:23:27,189 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-02-07 14:23:27,189 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:23:27,189 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 1, 1, 1, 1, 1, 1] [2024-02-07 14:23:27,189 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (and 68 more)] === [2024-02-07 14:23:27,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:23:27,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1935083884, now seen corresponding path program 1 times [2024-02-07 14:23:27,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:23:27,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49956693] [2024-02-07 14:23:27,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:23:27,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:23:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:27,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:23:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:27,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:23:27,238 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:23:27,238 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 71 remaining) [2024-02-07 14:23:27,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 71 remaining) [2024-02-07 14:23:27,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (68 of 71 remaining) [2024-02-07 14:23:27,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (67 of 71 remaining) [2024-02-07 14:23:27,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (66 of 71 remaining) [2024-02-07 14:23:27,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (65 of 71 remaining) [2024-02-07 14:23:27,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (64 of 71 remaining) [2024-02-07 14:23:27,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (63 of 71 remaining) [2024-02-07 14:23:27,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 71 remaining) [2024-02-07 14:23:27,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (61 of 71 remaining) [2024-02-07 14:23:27,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (60 of 71 remaining) [2024-02-07 14:23:27,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (59 of 71 remaining) [2024-02-07 14:23:27,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (58 of 71 remaining) [2024-02-07 14:23:27,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (57 of 71 remaining) [2024-02-07 14:23:27,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 71 remaining) [2024-02-07 14:23:27,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 71 remaining) [2024-02-07 14:23:27,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (54 of 71 remaining) [2024-02-07 14:23:27,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (53 of 71 remaining) [2024-02-07 14:23:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (52 of 71 remaining) [2024-02-07 14:23:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (51 of 71 remaining) [2024-02-07 14:23:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (50 of 71 remaining) [2024-02-07 14:23:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (49 of 71 remaining) [2024-02-07 14:23:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 71 remaining) [2024-02-07 14:23:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (47 of 71 remaining) [2024-02-07 14:23:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (46 of 71 remaining) [2024-02-07 14:23:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (45 of 71 remaining) [2024-02-07 14:23:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (44 of 71 remaining) [2024-02-07 14:23:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (43 of 71 remaining) [2024-02-07 14:23:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 71 remaining) [2024-02-07 14:23:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 71 remaining) [2024-02-07 14:23:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (40 of 71 remaining) [2024-02-07 14:23:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (39 of 71 remaining) [2024-02-07 14:23:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (38 of 71 remaining) [2024-02-07 14:23:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (37 of 71 remaining) [2024-02-07 14:23:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (36 of 71 remaining) [2024-02-07 14:23:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (35 of 71 remaining) [2024-02-07 14:23:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 71 remaining) [2024-02-07 14:23:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (33 of 71 remaining) [2024-02-07 14:23:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (32 of 71 remaining) [2024-02-07 14:23:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (31 of 71 remaining) [2024-02-07 14:23:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (30 of 71 remaining) [2024-02-07 14:23:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (29 of 71 remaining) [2024-02-07 14:23:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 71 remaining) [2024-02-07 14:23:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 71 remaining) [2024-02-07 14:23:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (26 of 71 remaining) [2024-02-07 14:23:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (25 of 71 remaining) [2024-02-07 14:23:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (24 of 71 remaining) [2024-02-07 14:23:27,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (23 of 71 remaining) [2024-02-07 14:23:27,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (22 of 71 remaining) [2024-02-07 14:23:27,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (21 of 71 remaining) [2024-02-07 14:23:27,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 71 remaining) [2024-02-07 14:23:27,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 71 remaining) [2024-02-07 14:23:27,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (18 of 71 remaining) [2024-02-07 14:23:27,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (17 of 71 remaining) [2024-02-07 14:23:27,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (16 of 71 remaining) [2024-02-07 14:23:27,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (15 of 71 remaining) [2024-02-07 14:23:27,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 71 remaining) [2024-02-07 14:23:27,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 71 remaining) [2024-02-07 14:23:27,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONERROR_FUNCTION (12 of 71 remaining) [2024-02-07 14:23:27,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (11 of 71 remaining) [2024-02-07 14:23:27,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONERROR_FUNCTION (10 of 71 remaining) [2024-02-07 14:23:27,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (9 of 71 remaining) [2024-02-07 14:23:27,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONERROR_FUNCTION (8 of 71 remaining) [2024-02-07 14:23:27,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONERROR_FUNCTION (7 of 71 remaining) [2024-02-07 14:23:27,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 71 remaining) [2024-02-07 14:23:27,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONERROR_FUNCTION (5 of 71 remaining) [2024-02-07 14:23:27,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONERROR_FUNCTION (4 of 71 remaining) [2024-02-07 14:23:27,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONERROR_FUNCTION (3 of 71 remaining) [2024-02-07 14:23:27,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONERROR_FUNCTION (2 of 71 remaining) [2024-02-07 14:23:27,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONERROR_FUNCTION (1 of 71 remaining) [2024-02-07 14:23:27,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 71 remaining) [2024-02-07 14:23:27,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 14:23:27,248 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:23:27,249 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-02-07 14:23:27,249 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-02-07 14:23:27,353 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:23:27,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 665 places, 839 transitions, 1718 flow [2024-02-07 14:23:27,647 INFO L124 PetriNetUnfolderBase]: 185/849 cut-off events. [2024-02-07 14:23:27,647 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-02-07 14:23:27,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 875 conditions, 849 events. 185/849 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6336 event pairs, 0 based on Foata normal form. 0/588 useless extension candidates. Maximal degree in co-relation 832. Up to 10 conditions per place. [2024-02-07 14:23:27,670 INFO L82 GeneralOperation]: Start removeDead. Operand has 665 places, 839 transitions, 1718 flow [2024-02-07 14:23:27,691 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 665 places, 839 transitions, 1718 flow [2024-02-07 14:23:27,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:23:27,693 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;@418783be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:23:27,693 INFO L358 AbstractCegarLoop]: Starting to check reachability of 85 error locations. [2024-02-07 14:23:27,700 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:23:27,700 INFO L124 PetriNetUnfolderBase]: 4/72 cut-off events. [2024-02-07 14:23:27,700 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-02-07 14:23:27,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:23:27,701 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:23:27,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err8ASSERT_VIOLATIONERROR_FUNCTION, thr1Err3ASSERT_VIOLATIONERROR_FUNCTION (and 82 more)] === [2024-02-07 14:23:27,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:23:27,701 INFO L85 PathProgramCache]: Analyzing trace with hash 628976524, now seen corresponding path program 1 times [2024-02-07 14:23:27,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:23:27,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717312965] [2024-02-07 14:23:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:23:27,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:23:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:23:27,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:23:27,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:23:27,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717312965] [2024-02-07 14:23:27,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717312965] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:23:27,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:23:27,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:23:27,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794574346] [2024-02-07 14:23:27,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:23:27,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:23:27,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:23:27,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:23:27,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:23:27,902 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 839 [2024-02-07 14:23:27,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 839 transitions, 1718 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2024-02-07 14:23:27,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:23:27,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 839 [2024-02-07 14:23:27,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand