./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.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/race-1_2-join.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27552612 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/ldv-races/race-1_2-join.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/race-1_2-join.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-2755261-m [2024-01-26 15:16:57,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:16:57,119 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:16:57,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:16:57,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:16:57,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:16:57,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:16:57,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:16:57,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:16:57,149 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:16:57,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:16:57,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:16:57,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:16:57,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:16:57,154 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:16:57,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:16:57,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:16:57,154 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:16:57,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:16:57,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:16:57,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:16:57,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:16:57,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:16:57,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:16:57,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:16:57,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:16:57,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:16:57,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:16:57,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:16:57,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:16:57,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:16:57,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:16:57,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:16:57,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:16:57,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:16:57,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:16:57,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:16:57,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:16:57,159 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:16:57,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:16:57,159 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:16:57,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:16:57,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:16:57,160 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:16:57,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:16:57,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:16:57,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:16:57,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:16:57,403 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:16:57,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2024-01-26 15:16:58,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:16:58,646 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:16:58,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2024-01-26 15:16:58,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14470265/c5c0ffb613304ff8821a9baecc55149b/FLAGc21cc3073 [2024-01-26 15:16:58,684 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14470265/c5c0ffb613304ff8821a9baecc55149b [2024-01-26 15:16:58,686 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:16:58,687 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:16:58,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/race-1_2-join.yml/witness.yml [2024-01-26 15:16:58,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:16:58,780 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:16:58,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:16:58,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:16:58,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:16:58,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:16:58" (1/2) ... [2024-01-26 15:16:58,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489a0592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:16:58, skipping insertion in model container [2024-01-26 15:16:58,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:16:58" (1/2) ... [2024-01-26 15:16:58,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c18d556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:16:58, skipping insertion in model container [2024-01-26 15:16:58,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:16:58" (2/2) ... [2024-01-26 15:16:58,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489a0592 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:58, skipping insertion in model container [2024-01-26 15:16:58,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:16:58" (2/2) ... [2024-01-26 15:16:58,788 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:16:58,900 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:16:58,901 INFO L98 nessWitnessExtractor]: Location invariant before [L1712-L1712] pdev == 1 [2024-01-26 15:16:58,901 INFO L98 nessWitnessExtractor]: Location invariant before [L1731-L1731] (unsigned long )status == 0UL [2024-01-26 15:16:58,901 INFO L98 nessWitnessExtractor]: Location invariant before [L1709-L1709] pdev == 0 [2024-01-26 15:16:58,902 INFO L98 nessWitnessExtractor]: Location invariant before [L1721-L1721] pdev == 1 [2024-01-26 15:16:58,902 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L22] pdev == 1 [2024-01-26 15:16:58,902 INFO L98 nessWitnessExtractor]: Location invariant before [L1708-L1708] pdev == 0 [2024-01-26 15:16:58,902 INFO L98 nessWitnessExtractor]: Location invariant before [L1730-L1730] (unsigned long )status == 0UL [2024-01-26 15:16:58,902 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] (unsigned long )arg == 0UL [2024-01-26 15:16:58,902 INFO L98 nessWitnessExtractor]: Location invariant before [L1729-L1729] (unsigned long )status == 0UL [2024-01-26 15:16:58,902 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] pdev != 0 [2024-01-26 15:16:58,902 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] 0 <= pdev [2024-01-26 15:16:58,903 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] pdev <= 6 [2024-01-26 15:16:58,903 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] pdev <= 127 [2024-01-26 15:16:58,903 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-26 15:16:58,903 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] 1 <= pdev [2024-01-26 15:16:58,903 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-26 15:16:58,903 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev <= 6 [2024-01-26 15:16:58,903 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] 1 <= pdev [2024-01-26 15:16:58,904 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev <= 127 [2024-01-26 15:16:58,904 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] 0 <= pdev [2024-01-26 15:16:58,904 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev != 0 [2024-01-26 15:16:58,904 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] (unsigned long )arg == 0UL [2024-01-26 15:16:58,904 INFO L98 nessWitnessExtractor]: Location invariant before [L1722-L1722] pdev == 3 [2024-01-26 15:16:58,904 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] pdev == 3 [2024-01-26 15:16:58,905 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] 0 <= pdev [2024-01-26 15:16:58,905 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] 1 <= pdev [2024-01-26 15:16:58,905 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev <= 6 [2024-01-26 15:16:58,905 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev <= 127 [2024-01-26 15:16:58,905 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-26 15:16:58,905 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] (unsigned long )arg == 0UL [2024-01-26 15:16:58,906 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev != 0 [2024-01-26 15:16:58,906 INFO L98 nessWitnessExtractor]: Location invariant before [L1705-L1705] (unsigned long )arg == 0UL [2024-01-26 15:16:58,906 INFO L98 nessWitnessExtractor]: Location invariant after [L1726-L1732] (unsigned long )status == 0UL [2024-01-26 15:16:58,906 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] 1 <= pdev [2024-01-26 15:16:58,906 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] pdev <= 6 [2024-01-26 15:16:58,907 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] 0 <= pdev [2024-01-26 15:16:58,907 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-26 15:16:58,907 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] pdev <= 127 [2024-01-26 15:16:58,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] pdev != 0 [2024-01-26 15:16:58,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1710-L1710] pdev == 1 [2024-01-26 15:16:58,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1695-L1695] expression == 1 [2024-01-26 15:16:58,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1695-L1695] expression == 0 [2024-01-26 15:16:58,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1695-L1695] ((((((((0 <= pdev && 1 <= pdev) && pdev <= 3) && pdev <= 127) && expression == 1) && pdev % 2 == 1) && pdev != 0) && (pdev == 1 || pdev == 3)) || ((0 <= expression && expression <= 1) && (expression == 0 || expression == 1))) || ((((((((0 <= expression && 0 <= pdev) && 1 <= pdev) && expression <= 1) && pdev <= 6) && pdev <= 127) && pdev != 0) && (expression == 0 || expression == 1)) && (((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6)) [2024-01-26 15:16:58,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1704-L1704] (unsigned long )arg == 0UL [2024-01-26 15:16:58,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] (unsigned long )arg == 0UL [2024-01-26 15:16:58,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] pdev == 3 [2024-01-26 15:16:58,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] 1 <= pdev [2024-01-26 15:16:58,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] pdev <= 127 [2024-01-26 15:16:58,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] pdev <= 6 [2024-01-26 15:16:58,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-26 15:16:58,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] 0 <= pdev [2024-01-26 15:16:58,910 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] pdev != 0 [2024-01-26 15:16:58,910 INFO L98 nessWitnessExtractor]: Location invariant before [L1711-L1720] pdev == 1 [2024-01-26 15:16:58,910 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] pdev != 0 [2024-01-26 15:16:58,910 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-26 15:16:58,911 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] 0 <= pdev [2024-01-26 15:16:58,911 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] pdev <= 6 [2024-01-26 15:16:58,912 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] pdev <= 127 [2024-01-26 15:16:58,912 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] 1 <= pdev [2024-01-26 15:16:59,002 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:16:59,447 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2024-01-26 15:16:59,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:16:59,476 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 15:16:59,484 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned int __mode_t; with a witness entry [2024-01-26 15:16:59,506 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2024-01-26 15:16:59,507 WARN L424 MainDispatcher]: Unable to annotate void ldv_assert(int expression) { if (!expression) { ERROR: {reach_error();abort();}}; return; } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:16:59,553 WARN L424 MainDispatcher]: Unable to annotate void module_exit() { void *status; pthread_join(t1, &status); pthread_mutex_destroy(&mutex); pdev = 5; ldv_assert(pdev==5); } with a witness entry [2024-01-26 15:16:59,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:16:59,631 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:16:59,632 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59 WrapperNode [2024-01-26 15:16:59,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:16:59,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:16:59,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:16:59,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:16:59,640 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 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,665 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 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,691 INFO L138 Inliner]: procedures = 483, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-01-26 15:16:59,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:16:59,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:16:59,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:16:59,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:16:59,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,705 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,731 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 3, 5]. 36 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 1, 5]. The 2 writes are split as follows [0, 1, 1, 0]. [2024-01-26 15:16:59,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:16:59,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:16:59,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:16:59,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:16:59,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (1/1) ... [2024-01-26 15:16:59,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:16:59,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:16:59,791 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) [2024-01-26 15:16:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 15:16:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:16:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 15:16:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-26 15:16:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-26 15:16:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-26 15:16:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-26 15:16:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-26 15:16:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:16:59,810 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 [2024-01-26 15:16:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-01-26 15:16:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-01-26 15:16:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-01-26 15:16:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-01-26 15:16:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:16:59,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-01-26 15:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-01-26 15:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-01-26 15:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-01-26 15:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-26 15:16:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 15:16:59,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 15:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-26 15:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:16:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-26 15:16:59,829 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 15:17:00,106 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:17:00,108 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:17:00,418 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:17:00,418 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:17:00,603 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:17:00,603 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-26 15:17:00,604 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:17:00 BoogieIcfgContainer [2024-01-26 15:17:00,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:17:00,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:17:00,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:17:00,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:17:00,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:16:58" (1/4) ... [2024-01-26 15:17:00,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f97ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:17:00, skipping insertion in model container [2024-01-26 15:17:00,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:16:58" (2/4) ... [2024-01-26 15:17:00,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f97ea4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:17:00, skipping insertion in model container [2024-01-26 15:17:00,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:16:59" (3/4) ... [2024-01-26 15:17:00,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f97ea4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:17:00, skipping insertion in model container [2024-01-26 15:17:00,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:17:00" (4/4) ... [2024-01-26 15:17:00,610 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2024-01-26 15:17:00,646 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:17:00,646 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-01-26 15:17:00,646 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:17:00,677 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-26 15:17:00,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 107 transitions, 221 flow [2024-01-26 15:17:00,723 INFO L124 PetriNetUnfolderBase]: 4/110 cut-off events. [2024-01-26 15:17:00,725 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-26 15:17:00,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 110 events. 4/110 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 396 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 35. Up to 3 conditions per place. [2024-01-26 15:17:00,727 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 107 transitions, 221 flow [2024-01-26 15:17:00,731 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 102 transitions, 210 flow [2024-01-26 15:17:00,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:17:00,748 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;@1d1c92e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:17:00,748 INFO L358 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2024-01-26 15:17:00,750 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:17:00,750 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-26 15:17:00,750 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:17:00,750 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:17:00,751 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-26 15:17:00,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-26 15:17:00,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:17:00,755 INFO L85 PathProgramCache]: Analyzing trace with hash 21981, now seen corresponding path program 1 times [2024-01-26 15:17:00,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:17:00,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516596107] [2024-01-26 15:17:00,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:17:00,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:17:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:17:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:17:01,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:17:01,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516596107] [2024-01-26 15:17:01,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516596107] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:17:01,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:17:01,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:17:01,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516159730] [2024-01-26 15:17:01,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:17:01,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:17:01,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:17:01,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:17:01,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:17:01,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 107 [2024-01-26 15:17:01,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-01-26 15:17:01,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:17:01,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 107 [2024-01-26 15:17:01,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:17:01,258 INFO L124 PetriNetUnfolderBase]: 85/258 cut-off events. [2024-01-26 15:17:01,258 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-26 15:17:01,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 487 conditions, 258 events. 85/258 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1472 event pairs, 72 based on Foata normal form. 2/151 useless extension candidates. Maximal degree in co-relation 425. Up to 180 conditions per place. [2024-01-26 15:17:01,265 INFO L140 encePairwiseOnDemand]: 59/107 looper letters, 46 selfloop transitions, 5 changer transitions 0/80 dead transitions. [2024-01-26 15:17:01,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 80 transitions, 268 flow [2024-01-26 15:17:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:17:01,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:17:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 216 transitions. [2024-01-26 15:17:01,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6728971962616822 [2024-01-26 15:17:01,279 INFO L175 Difference]: Start difference. First operand has 104 places, 102 transitions, 210 flow. Second operand 3 states and 216 transitions. [2024-01-26 15:17:01,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 80 transitions, 268 flow [2024-01-26 15:17:01,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 80 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:17:01,283 INFO L231 Difference]: Finished difference. Result has 75 places, 72 transitions, 192 flow [2024-01-26 15:17:01,285 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=75, PETRI_TRANSITIONS=72} [2024-01-26 15:17:01,287 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -29 predicate places. [2024-01-26 15:17:01,287 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 72 transitions, 192 flow [2024-01-26 15:17:01,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-01-26 15:17:01,287 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:17:01,287 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-26 15:17:01,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 15:17:01,288 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-26 15:17:01,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:17:01,288 INFO L85 PathProgramCache]: Analyzing trace with hash 21147423, now seen corresponding path program 1 times [2024-01-26 15:17:01,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:17:01,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873721349] [2024-01-26 15:17:01,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:17:01,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:17:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:17:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:17:01,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:17:01,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873721349] [2024-01-26 15:17:01,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873721349] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:17:01,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:17:01,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:17:01,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833119029] [2024-01-26 15:17:01,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:17:01,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:17:01,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:17:01,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:17:01,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:17:01,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 107 [2024-01-26 15:17:01,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 72 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2024-01-26 15:17:01,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:17:01,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 107 [2024-01-26 15:17:01,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:17:01,452 INFO L124 PetriNetUnfolderBase]: 72/246 cut-off events. [2024-01-26 15:17:01,452 INFO L125 PetriNetUnfolderBase]: For 55/61 co-relation queries the response was YES. [2024-01-26 15:17:01,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 246 events. 72/246 cut-off events. For 55/61 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1313 event pairs, 46 based on Foata normal form. 4/171 useless extension candidates. Maximal degree in co-relation 443. Up to 177 conditions per place. [2024-01-26 15:17:01,454 INFO L140 encePairwiseOnDemand]: 94/107 looper letters, 43 selfloop transitions, 4 changer transitions 0/72 dead transitions. [2024-01-26 15:17:01,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 72 transitions, 290 flow [2024-01-26 15:17:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:17:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:17:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2024-01-26 15:17:01,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4392523364485981 [2024-01-26 15:17:01,456 INFO L175 Difference]: Start difference. First operand has 75 places, 72 transitions, 192 flow. Second operand 3 states and 141 transitions. [2024-01-26 15:17:01,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 72 transitions, 290 flow [2024-01-26 15:17:01,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 72 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:17:01,459 INFO L231 Difference]: Finished difference. Result has 72 places, 69 transitions, 204 flow [2024-01-26 15:17:01,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=72, PETRI_TRANSITIONS=69} [2024-01-26 15:17:01,460 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -32 predicate places. [2024-01-26 15:17:01,460 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 69 transitions, 204 flow [2024-01-26 15:17:01,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2024-01-26 15:17:01,461 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:17:01,461 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-26 15:17:01,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 15:17:01,461 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-26 15:17:01,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:17:01,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1152142128, now seen corresponding path program 1 times [2024-01-26 15:17:01,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:17:01,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980650368] [2024-01-26 15:17:01,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:17:01,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:17:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:17:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:17:01,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:17:01,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980650368] [2024-01-26 15:17:01,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980650368] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:17:01,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:17:01,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-26 15:17:01,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805985163] [2024-01-26 15:17:01,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:17:01,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:17:01,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:17:01,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:17:01,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:17:01,561 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 107 [2024-01-26 15:17:01,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 69 transitions, 204 flow. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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) [2024-01-26 15:17:01,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:17:01,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 107 [2024-01-26 15:17:01,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:17:01,659 INFO L124 PetriNetUnfolderBase]: 72/242 cut-off events. [2024-01-26 15:17:01,659 INFO L125 PetriNetUnfolderBase]: For 46/55 co-relation queries the response was YES. [2024-01-26 15:17:01,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 588 conditions, 242 events. 72/242 cut-off events. For 46/55 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1291 event pairs, 46 based on Foata normal form. 2/158 useless extension candidates. Maximal degree in co-relation 348. Up to 177 conditions per place. [2024-01-26 15:17:01,661 INFO L140 encePairwiseOnDemand]: 97/107 looper letters, 42 selfloop transitions, 8 changer transitions 0/68 dead transitions. [2024-01-26 15:17:01,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 68 transitions, 304 flow [2024-01-26 15:17:01,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 15:17:01,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-26 15:17:01,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 165 transitions. [2024-01-26 15:17:01,663 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.308411214953271 [2024-01-26 15:17:01,663 INFO L175 Difference]: Start difference. First operand has 72 places, 69 transitions, 204 flow. Second operand 5 states and 165 transitions. [2024-01-26 15:17:01,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 68 transitions, 304 flow [2024-01-26 15:17:01,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 68 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-26 15:17:01,665 INFO L231 Difference]: Finished difference. Result has 71 places, 65 transitions, 208 flow [2024-01-26 15:17:01,665 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=208, PETRI_PLACES=71, PETRI_TRANSITIONS=65} [2024-01-26 15:17:01,666 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -33 predicate places. [2024-01-26 15:17:01,666 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 65 transitions, 208 flow [2024-01-26 15:17:01,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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) [2024-01-26 15:17:01,666 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:17:01,666 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:17:01,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 15:17:01,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-26 15:17:01,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:17:01,667 INFO L85 PathProgramCache]: Analyzing trace with hash -770128185, now seen corresponding path program 1 times [2024-01-26 15:17:01,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:17:01,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092722245] [2024-01-26 15:17:01,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:17:01,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:17:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:17:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:17:01,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:17:01,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092722245] [2024-01-26 15:17:01,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092722245] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:17:01,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:17:01,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:17:01,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760832443] [2024-01-26 15:17:01,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:17:01,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:17:01,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:17:01,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:17:01,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:17:01,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 107 [2024-01-26 15:17:01,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 65 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2024-01-26 15:17:01,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:17:01,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 107 [2024-01-26 15:17:01,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:17:01,778 INFO L124 PetriNetUnfolderBase]: 72/235 cut-off events. [2024-01-26 15:17:01,778 INFO L125 PetriNetUnfolderBase]: For 58/67 co-relation queries the response was YES. [2024-01-26 15:17:01,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 235 events. 72/235 cut-off events. For 58/67 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1256 event pairs, 68 based on Foata normal form. 2/152 useless extension candidates. Maximal degree in co-relation 347. Up to 188 conditions per place. [2024-01-26 15:17:01,780 INFO L140 encePairwiseOnDemand]: 103/107 looper letters, 39 selfloop transitions, 0 changer transitions 6/62 dead transitions. [2024-01-26 15:17:01,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 62 transitions, 290 flow [2024-01-26 15:17:01,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:17:01,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:17:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 133 transitions. [2024-01-26 15:17:01,781 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4143302180685358 [2024-01-26 15:17:01,781 INFO L175 Difference]: Start difference. First operand has 71 places, 65 transitions, 208 flow. Second operand 3 states and 133 transitions. [2024-01-26 15:17:01,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 62 transitions, 290 flow [2024-01-26 15:17:01,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 62 transitions, 276 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-26 15:17:01,783 INFO L231 Difference]: Finished difference. Result has 66 places, 56 transitions, 174 flow [2024-01-26 15:17:01,783 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=66, PETRI_TRANSITIONS=56} [2024-01-26 15:17:01,783 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -38 predicate places. [2024-01-26 15:17:01,783 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 56 transitions, 174 flow [2024-01-26 15:17:01,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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) [2024-01-26 15:17:01,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:17:01,784 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:17:01,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-26 15:17:01,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-26 15:17:01,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:17:01,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1361490901, now seen corresponding path program 1 times [2024-01-26 15:17:01,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:17:01,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003436255] [2024-01-26 15:17:01,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:17:01,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:17:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:17:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:17:01,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:17:01,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003436255] [2024-01-26 15:17:01,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003436255] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:17:01,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:17:01,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:17:01,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252023570] [2024-01-26 15:17:01,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:17:01,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:17:01,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:17:01,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:17:01,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:17:01,911 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 107 [2024-01-26 15:17:01,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 56 transitions, 174 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:17:01,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:17:01,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 107 [2024-01-26 15:17:01,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:17:01,991 INFO L124 PetriNetUnfolderBase]: 73/232 cut-off events. [2024-01-26 15:17:01,992 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-01-26 15:17:01,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 232 events. 73/232 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1092 event pairs, 32 based on Foata normal form. 50/214 useless extension candidates. Maximal degree in co-relation 549. Up to 167 conditions per place. [2024-01-26 15:17:01,994 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 48 selfloop transitions, 2 changer transitions 0/62 dead transitions. [2024-01-26 15:17:01,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 62 transitions, 298 flow [2024-01-26 15:17:01,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:17:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:17:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 167 transitions. [2024-01-26 15:17:01,995 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3901869158878505 [2024-01-26 15:17:01,995 INFO L175 Difference]: Start difference. First operand has 66 places, 56 transitions, 174 flow. Second operand 4 states and 167 transitions. [2024-01-26 15:17:01,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 62 transitions, 298 flow [2024-01-26 15:17:01,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 62 transitions, 292 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-01-26 15:17:01,998 INFO L231 Difference]: Finished difference. Result has 57 places, 51 transitions, 162 flow [2024-01-26 15:17:01,998 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=162, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2024-01-26 15:17:02,000 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -47 predicate places. [2024-01-26 15:17:02,000 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 162 flow [2024-01-26 15:17:02,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:17:02,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:17:02,000 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:17:02,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-26 15:17:02,001 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-26 15:17:02,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:17:02,001 INFO L85 PathProgramCache]: Analyzing trace with hash 743382368, now seen corresponding path program 1 times [2024-01-26 15:17:02,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:17:02,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060583303] [2024-01-26 15:17:02,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:17:02,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:17:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:17:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:17:02,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:17:02,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060583303] [2024-01-26 15:17:02,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060583303] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:17:02,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:17:02,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:17:02,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358904618] [2024-01-26 15:17:02,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:17:02,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:17:02,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:17:02,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:17:02,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:17:02,056 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-26 15:17:02,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2024-01-26 15:17:02,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:17:02,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-26 15:17:02,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:17:02,098 INFO L124 PetriNetUnfolderBase]: 47/150 cut-off events. [2024-01-26 15:17:02,098 INFO L125 PetriNetUnfolderBase]: For 30/33 co-relation queries the response was YES. [2024-01-26 15:17:02,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 150 events. 47/150 cut-off events. For 30/33 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 575 event pairs, 33 based on Foata normal form. 2/112 useless extension candidates. Maximal degree in co-relation 353. Up to 111 conditions per place. [2024-01-26 15:17:02,099 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 32 selfloop transitions, 2 changer transitions 0/47 dead transitions. [2024-01-26 15:17:02,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 47 transitions, 206 flow [2024-01-26 15:17:02,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:17:02,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:17:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2024-01-26 15:17:02,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42679127725856697 [2024-01-26 15:17:02,100 INFO L175 Difference]: Start difference. First operand has 57 places, 51 transitions, 162 flow. Second operand 3 states and 137 transitions. [2024-01-26 15:17:02,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 47 transitions, 206 flow [2024-01-26 15:17:02,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 47 transitions, 195 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-01-26 15:17:02,101 INFO L231 Difference]: Finished difference. Result has 52 places, 45 transitions, 127 flow [2024-01-26 15:17:02,101 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=52, PETRI_TRANSITIONS=45} [2024-01-26 15:17:02,102 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -52 predicate places. [2024-01-26 15:17:02,102 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 45 transitions, 127 flow [2024-01-26 15:17:02,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2024-01-26 15:17:02,102 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:17:02,102 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:17:02,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-26 15:17:02,102 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-26 15:17:02,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:17:02,102 INFO L85 PathProgramCache]: Analyzing trace with hash 743382370, now seen corresponding path program 1 times [2024-01-26 15:17:02,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:17:02,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938147487] [2024-01-26 15:17:02,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:17:02,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:17:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:17:02,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:17:02,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:17:02,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938147487] [2024-01-26 15:17:02,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938147487] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:17:02,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:17:02,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:17:02,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852954045] [2024-01-26 15:17:02,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:17:02,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:17:02,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:17:02,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:17:02,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:17:02,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-26 15:17:02,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 45 transitions, 127 flow. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2024-01-26 15:17:02,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:17:02,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-26 15:17:02,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:17:02,227 INFO L124 PetriNetUnfolderBase]: 46/163 cut-off events. [2024-01-26 15:17:02,227 INFO L125 PetriNetUnfolderBase]: For 26/29 co-relation queries the response was YES. [2024-01-26 15:17:02,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 163 events. 46/163 cut-off events. For 26/29 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 671 event pairs, 12 based on Foata normal form. 2/139 useless extension candidates. Maximal degree in co-relation 343. Up to 79 conditions per place. [2024-01-26 15:17:02,228 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 34 selfloop transitions, 5 changer transitions 4/56 dead transitions. [2024-01-26 15:17:02,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 56 transitions, 234 flow [2024-01-26 15:17:02,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:17:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:17:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 144 transitions. [2024-01-26 15:17:02,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4485981308411215 [2024-01-26 15:17:02,230 INFO L175 Difference]: Start difference. First operand has 52 places, 45 transitions, 127 flow. Second operand 3 states and 144 transitions. [2024-01-26 15:17:02,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 56 transitions, 234 flow [2024-01-26 15:17:02,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 56 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-26 15:17:02,233 INFO L231 Difference]: Finished difference. Result has 54 places, 44 transitions, 149 flow [2024-01-26 15:17:02,233 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=149, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2024-01-26 15:17:02,234 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -50 predicate places. [2024-01-26 15:17:02,234 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 149 flow [2024-01-26 15:17:02,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2024-01-26 15:17:02,235 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:17:02,235 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:17:02,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-26 15:17:02,235 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-26 15:17:02,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:17:02,236 INFO L85 PathProgramCache]: Analyzing trace with hash -527840394, now seen corresponding path program 1 times [2024-01-26 15:17:02,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:17:02,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616302431] [2024-01-26 15:17:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:17:02,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:17:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:17:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:17:02,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:17:02,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616302431] [2024-01-26 15:17:02,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616302431] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:17:02,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:17:02,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:17:02,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116985111] [2024-01-26 15:17:02,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:17:02,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:17:02,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:17:02,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:17:02,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:17:02,303 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-26 15:17:02,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2024-01-26 15:17:02,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:17:02,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-26 15:17:02,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:17:02,338 INFO L124 PetriNetUnfolderBase]: 32/126 cut-off events. [2024-01-26 15:17:02,338 INFO L125 PetriNetUnfolderBase]: For 69/72 co-relation queries the response was YES. [2024-01-26 15:17:02,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 126 events. 32/126 cut-off events. For 69/72 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 440 event pairs, 28 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 304. Up to 99 conditions per place. [2024-01-26 15:17:02,339 INFO L140 encePairwiseOnDemand]: 105/107 looper letters, 29 selfloop transitions, 1 changer transitions 0/43 dead transitions. [2024-01-26 15:17:02,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 43 transitions, 205 flow [2024-01-26 15:17:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:17:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:17:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 126 transitions. [2024-01-26 15:17:02,340 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3925233644859813 [2024-01-26 15:17:02,340 INFO L175 Difference]: Start difference. First operand has 54 places, 44 transitions, 149 flow. Second operand 3 states and 126 transitions. [2024-01-26 15:17:02,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 43 transitions, 205 flow [2024-01-26 15:17:02,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 43 transitions, 189 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-01-26 15:17:02,341 INFO L231 Difference]: Finished difference. Result has 51 places, 43 transitions, 131 flow [2024-01-26 15:17:02,341 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2024-01-26 15:17:02,343 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -53 predicate places. [2024-01-26 15:17:02,343 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 131 flow [2024-01-26 15:17:02,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2024-01-26 15:17:02,343 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:17:02,343 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:17:02,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-26 15:17:02,344 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-26 15:17:02,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:17:02,344 INFO L85 PathProgramCache]: Analyzing trace with hash -527840393, now seen corresponding path program 1 times [2024-01-26 15:17:02,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:17:02,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909446202] [2024-01-26 15:17:02,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:17:02,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:17:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:17:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:17:02,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:17:02,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909446202] [2024-01-26 15:17:02,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909446202] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:17:02,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:17:02,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:17:02,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450574724] [2024-01-26 15:17:02,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:17:02,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:17:02,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:17:02,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:17:02,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:17:02,401 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-26 15:17:02,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2024-01-26 15:17:02,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:17:02,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-26 15:17:02,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:17:02,439 INFO L124 PetriNetUnfolderBase]: 25/115 cut-off events. [2024-01-26 15:17:02,440 INFO L125 PetriNetUnfolderBase]: For 23/26 co-relation queries the response was YES. [2024-01-26 15:17:02,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 115 events. 25/115 cut-off events. For 23/26 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 372 event pairs, 7 based on Foata normal form. 3/114 useless extension candidates. Maximal degree in co-relation 240. Up to 52 conditions per place. [2024-01-26 15:17:02,440 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 31 selfloop transitions, 4 changer transitions 0/48 dead transitions. [2024-01-26 15:17:02,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 48 transitions, 202 flow [2024-01-26 15:17:02,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:17:02,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:17:02,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2024-01-26 15:17:02,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4236760124610592 [2024-01-26 15:17:02,442 INFO L175 Difference]: Start difference. First operand has 51 places, 43 transitions, 131 flow. Second operand 3 states and 136 transitions. [2024-01-26 15:17:02,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 48 transitions, 202 flow [2024-01-26 15:17:02,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 48 transitions, 197 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-01-26 15:17:02,454 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 118 flow [2024-01-26 15:17:02,454 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-01-26 15:17:02,455 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -55 predicate places. [2024-01-26 15:17:02,455 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 118 flow [2024-01-26 15:17:02,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2024-01-26 15:17:02,455 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:17:02,455 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:17:02,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-26 15:17:02,455 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-26 15:17:02,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:17:02,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1485946690, now seen corresponding path program 1 times [2024-01-26 15:17:02,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:17:02,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486620746] [2024-01-26 15:17:02,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:17:02,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:17:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:17:02,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-26 15:17:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:17:02,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-26 15:17:02,490 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-26 15:17:02,491 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (76 of 77 remaining) [2024-01-26 15:17:02,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 77 remaining) [2024-01-26 15:17:02,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 77 remaining) [2024-01-26 15:17:02,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 77 remaining) [2024-01-26 15:17:02,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 77 remaining) [2024-01-26 15:17:02,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 77 remaining) [2024-01-26 15:17:02,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 77 remaining) [2024-01-26 15:17:02,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 77 remaining) [2024-01-26 15:17:02,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 77 remaining) [2024-01-26 15:17:02,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 77 remaining) [2024-01-26 15:17:02,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 77 remaining) [2024-01-26 15:17:02,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 77 remaining) [2024-01-26 15:17:02,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 77 remaining) [2024-01-26 15:17:02,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 77 remaining) [2024-01-26 15:17:02,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 77 remaining) [2024-01-26 15:17:02,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 77 remaining) [2024-01-26 15:17:02,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 77 remaining) [2024-01-26 15:17:02,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 77 remaining) [2024-01-26 15:17:02,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 77 remaining) [2024-01-26 15:17:02,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 77 remaining) [2024-01-26 15:17:02,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 77 remaining) [2024-01-26 15:17:02,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 77 remaining) [2024-01-26 15:17:02,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (54 of 77 remaining) [2024-01-26 15:17:02,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 77 remaining) [2024-01-26 15:17:02,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 77 remaining) [2024-01-26 15:17:02,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 77 remaining) [2024-01-26 15:17:02,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 77 remaining) [2024-01-26 15:17:02,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 77 remaining) [2024-01-26 15:17:02,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 77 remaining) [2024-01-26 15:17:02,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 77 remaining) [2024-01-26 15:17:02,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 77 remaining) [2024-01-26 15:17:02,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 77 remaining) [2024-01-26 15:17:02,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 77 remaining) [2024-01-26 15:17:02,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 77 remaining) [2024-01-26 15:17:02,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 77 remaining) [2024-01-26 15:17:02,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 77 remaining) [2024-01-26 15:17:02,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 77 remaining) [2024-01-26 15:17:02,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 77 remaining) [2024-01-26 15:17:02,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 77 remaining) [2024-01-26 15:17:02,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (37 of 77 remaining) [2024-01-26 15:17:02,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 77 remaining) [2024-01-26 15:17:02,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 77 remaining) [2024-01-26 15:17:02,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 77 remaining) [2024-01-26 15:17:02,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 77 remaining) [2024-01-26 15:17:02,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 77 remaining) [2024-01-26 15:17:02,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 77 remaining) [2024-01-26 15:17:02,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 77 remaining) [2024-01-26 15:17:02,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 77 remaining) [2024-01-26 15:17:02,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 77 remaining) [2024-01-26 15:17:02,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 77 remaining) [2024-01-26 15:17:02,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 77 remaining) [2024-01-26 15:17:02,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 77 remaining) [2024-01-26 15:17:02,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 77 remaining) [2024-01-26 15:17:02,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 77 remaining) [2024-01-26 15:17:02,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 77 remaining) [2024-01-26 15:17:02,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 77 remaining) [2024-01-26 15:17:02,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 77 remaining) [2024-01-26 15:17:02,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (19 of 77 remaining) [2024-01-26 15:17:02,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 77 remaining) [2024-01-26 15:17:02,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 77 remaining) [2024-01-26 15:17:02,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 77 remaining) [2024-01-26 15:17:02,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 77 remaining) [2024-01-26 15:17:02,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 77 remaining) [2024-01-26 15:17:02,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 77 remaining) [2024-01-26 15:17:02,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 77 remaining) [2024-01-26 15:17:02,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 77 remaining) [2024-01-26 15:17:02,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 77 remaining) [2024-01-26 15:17:02,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 77 remaining) [2024-01-26 15:17:02,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 77 remaining) [2024-01-26 15:17:02,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 77 remaining) [2024-01-26 15:17:02,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 77 remaining) [2024-01-26 15:17:02,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 77 remaining) [2024-01-26 15:17:02,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 77 remaining) [2024-01-26 15:17:02,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 77 remaining) [2024-01-26 15:17:02,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 77 remaining) [2024-01-26 15:17:02,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 77 remaining) [2024-01-26 15:17:02,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 77 remaining) [2024-01-26 15:17:02,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-26 15:17:02,504 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:17:02,509 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 15:17:02,509 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 15:17:02,526 INFO L503 ceAbstractionStarter]: Automizer considered 54 witness invariants [2024-01-26 15:17:02,526 INFO L504 ceAbstractionStarter]: WitnessConsidered=54 [2024-01-26 15:17:02,527 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 03:17:02 BasicIcfg [2024-01-26 15:17:02,527 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 15:17:02,527 INFO L158 Benchmark]: Toolchain (without parser) took 3747.68ms. Allocated memory was 161.5MB in the beginning and 241.2MB in the end (delta: 79.7MB). Free memory was 86.4MB in the beginning and 185.3MB in the end (delta: -98.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:17:02,528 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:17:02,528 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:17:02,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 851.37ms. Allocated memory is still 161.5MB. Free memory was 86.2MB in the beginning and 74.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-01-26 15:17:02,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.40ms. Allocated memory is still 161.5MB. Free memory was 74.9MB in the beginning and 71.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-26 15:17:02,528 INFO L158 Benchmark]: Boogie Preprocessor took 66.98ms. Allocated memory is still 161.5MB. Free memory was 71.4MB in the beginning and 67.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-26 15:17:02,529 INFO L158 Benchmark]: RCFGBuilder took 843.95ms. Allocated memory is still 161.5MB. Free memory was 67.2MB in the beginning and 54.8MB in the end (delta: 12.4MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-01-26 15:17:02,529 INFO L158 Benchmark]: TraceAbstraction took 1921.92ms. Allocated memory was 161.5MB in the beginning and 241.2MB in the end (delta: 79.7MB). Free memory was 53.9MB in the beginning and 185.3MB in the end (delta: -131.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:17:02,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 851.37ms. Allocated memory is still 161.5MB. Free memory was 86.2MB in the beginning and 74.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.40ms. Allocated memory is still 161.5MB. Free memory was 74.9MB in the beginning and 71.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.98ms. Allocated memory is still 161.5MB. Free memory was 71.4MB in the beginning and 67.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 843.95ms. Allocated memory is still 161.5MB. Free memory was 67.2MB in the beginning and 54.8MB in the end (delta: 12.4MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1921.92ms. Allocated memory was 161.5MB in the beginning and 241.2MB in the end (delta: 79.7MB). Free memory was 53.9MB in the beginning and 185.3MB in the end (delta: -131.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1695]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1696] 0 pthread_t t1; [L1696] 0 pthread_t t1; [L1697] 0 pthread_mutex_t mutex; [L1697] 0 pthread_mutex_t mutex; [L1697] 0 pthread_mutex_t mutex; [L1697] 0 pthread_mutex_t mutex; [L1697] 0 pthread_mutex_t mutex; [L1697] 0 pthread_mutex_t mutex; [L1698] 0 int pdev; [L1734] CALL 0 module_init() [L1708] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1709] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1709] 0 pdev = 1 VAL [mutex={4:0}, pdev=1, t1={3:0}] [L1710] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]]]] [L1710] CALL 0 ldv_assert(pdev==1) [L1695] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, mutex={4:0}, pdev=1, t1={3:0}] [L1710] RET 0 ldv_assert(pdev==1) [L1711] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]]]] [L1711] COND TRUE 0 __VERIFIER_nondet_int() [L1712] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]]]] [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={4:0}, pdev=1, t1={3:0}] [L1700] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=1, t1={3:0}] [L1714] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1714] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1714] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[2]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] [L1714] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1714] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1714] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1714] 0 pdev = 2 [L1715] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1715] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[2]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] [L1715] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1715] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1715] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1715] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=2, t1={3:0}] [L1701] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=2, t1={3:0}] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[2]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1702] 1 pdev = 6 [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[2]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, t1={3:0}] [L1717] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1717] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1717] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[2]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] [L1717] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1717] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1717] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1717] CALL 0 ldv_assert(pdev==2) [L1695] COND TRUE 0 !expression [L1695] 0 reach_error() VAL [\old(expression)=0, arg={0:0}, arg={0:0}, expression=0, mutex={4:0}, pdev=6, t1={3:0}] - UnprovableResult [Line: 1700]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1701]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1702]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1703]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1704]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1705]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1708]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1709]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1710]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1695]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1711]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1721]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1722]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1695]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1717]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1723]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1724]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1729]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1730]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1731]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1695]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 133 locations, 77 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 373 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 742 IncrementalHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 3 mSDtfsCounter, 742 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-26 15:17:02,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE