./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 a340643f 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-a340643-m [2024-01-27 14:59:01,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:59:02,061 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:59:02,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:59:02,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:59:02,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:59:02,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:59:02,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:59:02,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:59:02,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:59:02,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:59:02,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:59:02,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:59:02,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:59:02,106 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:59:02,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:59:02,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:59:02,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:59:02,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:59:02,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:59:02,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:59:02,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:59:02,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:59:02,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:59:02,109 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:59:02,109 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:59:02,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:59:02,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:59:02,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:59:02,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:59:02,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:59:02,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:59:02,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:02,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:59:02,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:59:02,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:59:02,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:59:02,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:59:02,118 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:59:02,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:59:02,118 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:59:02,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:59:02,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:59:02,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:59:02,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:59:02,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:59:02,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:59:02,359 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:59:02,359 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:59:02,360 INFO L431 ainManager$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 [2024-01-27 14:59:02,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:59:02,441 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:59:02,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2024-01-27 14:59:03,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:59:03,766 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:59:03,766 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2024-01-27 14:59:03,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237e55f91/74665d9a9d254873b5fb9e156b667a3f/FLAG76881ef18 [2024-01-27 14:59:03,798 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/237e55f91/74665d9a9d254873b5fb9e156b667a3f [2024-01-27 14:59:03,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:59:03,800 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:59:03,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:03,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:59:03,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:59:03,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:02" (1/2) ... [2024-01-27 14:59:03,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d3cdae and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:03, skipping insertion in model container [2024-01-27 14:59:03,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:02" (1/2) ... [2024-01-27 14:59:03,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a3c4e16 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:03, skipping insertion in model container [2024-01-27 14:59:03,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:03" (2/2) ... [2024-01-27 14:59:03,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d3cdae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:03, skipping insertion in model container [2024-01-27 14:59:03,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:03" (2/2) ... [2024-01-27 14:59:03,810 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:59:03,905 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:59:03,906 INFO L98 nessWitnessExtractor]: Location invariant before [L1711-L1720] pdev == 1 [2024-01-27 14:59:03,906 INFO L98 nessWitnessExtractor]: Location invariant before [L1709-L1709] pdev == 0 [2024-01-27 14:59:03,906 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] pdev == 3 [2024-01-27 14:59:03,906 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] 0 <= pdev [2024-01-27 14:59:03,906 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev != 0 [2024-01-27 14:59:03,907 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] 1 <= pdev [2024-01-27 14:59:03,907 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev <= 6 [2024-01-27 14:59:03,907 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-27 14:59:03,907 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev <= 127 [2024-01-27 14:59:03,907 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] (unsigned long )arg == 0UL [2024-01-27 14:59:03,907 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)) [2024-01-27 14:59:03,907 INFO L98 nessWitnessExtractor]: Location invariant before [L1695-L1695] expression == 0 [2024-01-27 14:59:03,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1695-L1695] expression == 1 [2024-01-27 14:59:03,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1704-L1704] (unsigned long )arg == 0UL [2024-01-27 14:59:03,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1730-L1730] (unsigned long )status == 0UL [2024-01-27 14:59:03,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] (unsigned long )arg == 0UL [2024-01-27 14:59:03,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1708-L1708] pdev == 0 [2024-01-27 14:59:03,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] pdev != 0 [2024-01-27 14:59:03,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] pdev <= 127 [2024-01-27 14:59:03,908 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-27 14:59:03,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] pdev <= 6 [2024-01-27 14:59:03,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] 0 <= pdev [2024-01-27 14:59:03,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] 1 <= pdev [2024-01-27 14:59:03,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1705-L1705] (unsigned long )arg == 0UL [2024-01-27 14:59:03,909 INFO L98 nessWitnessExtractor]: Location invariant before [L1710-L1710] pdev == 1 [2024-01-27 14:59:03,910 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] pdev == 3 [2024-01-27 14:59:03,910 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] pdev != 0 [2024-01-27 14:59:03,910 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] pdev <= 6 [2024-01-27 14:59:03,910 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] 1 <= pdev [2024-01-27 14:59:03,910 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-27 14:59:03,910 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] 0 <= pdev [2024-01-27 14:59:03,911 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] pdev <= 127 [2024-01-27 14:59:03,911 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] 1 <= pdev [2024-01-27 14:59:03,911 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] pdev <= 127 [2024-01-27 14:59:03,911 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] pdev <= 6 [2024-01-27 14:59:03,911 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-27 14:59:03,912 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] 0 <= pdev [2024-01-27 14:59:03,912 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] pdev != 0 [2024-01-27 14:59:03,913 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] 0 <= pdev [2024-01-27 14:59:03,913 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-27 14:59:03,913 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] pdev <= 127 [2024-01-27 14:59:03,913 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] 1 <= pdev [2024-01-27 14:59:03,913 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] pdev != 0 [2024-01-27 14:59:03,913 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] pdev <= 6 [2024-01-27 14:59:03,914 INFO L98 nessWitnessExtractor]: Location invariant before [L1712-L1712] pdev == 1 [2024-01-27 14:59:03,914 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] (unsigned long )arg == 0UL [2024-01-27 14:59:03,914 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] ((pdev == 1 || pdev == 2) || pdev == 5) || pdev == 6 [2024-01-27 14:59:03,914 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] 1 <= pdev [2024-01-27 14:59:03,914 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev <= 127 [2024-01-27 14:59:03,914 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev != 0 [2024-01-27 14:59:03,915 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] (unsigned long )arg == 0UL [2024-01-27 14:59:03,915 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev <= 6 [2024-01-27 14:59:03,915 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] 0 <= pdev [2024-01-27 14:59:03,915 INFO L98 nessWitnessExtractor]: Location invariant before [L1722-L1722] pdev == 3 [2024-01-27 14:59:03,915 INFO L98 nessWitnessExtractor]: Location invariant before [L1721-L1721] pdev == 1 [2024-01-27 14:59:03,916 INFO L98 nessWitnessExtractor]: Location invariant before [L1729-L1729] (unsigned long )status == 0UL [2024-01-27 14:59:03,916 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L22] pdev == 1 [2024-01-27 14:59:03,917 INFO L98 nessWitnessExtractor]: Location invariant after [L1726-L1732] (unsigned long )status == 0UL [2024-01-27 14:59:03,917 INFO L98 nessWitnessExtractor]: Location invariant before [L1731-L1731] (unsigned long )status == 0UL [2024-01-27 14:59:03,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:59:04,507 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] [2024-01-27 14:59:04,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:04,557 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:59:04,564 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned int __mode_t; with a witness entry [2024-01-27 14:59:04,607 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] [2024-01-27 14:59:04,608 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 [2024-01-27 14:59:04,678 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 [2024-01-27 14:59:04,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:04,750 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:59:04,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04 WrapperNode [2024-01-27 14:59:04,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:04,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:04,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:59:04,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:59:04,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,805 INFO L138 Inliner]: procedures = 483, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-01-27 14:59:04,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:04,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:59:04,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:59:04,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:59:04,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,859 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,884 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 3, 5, 4]. 36 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 1, 5, 0]. The 2 writes are split as follows [0, 1, 0, 1]. [2024-01-27 14:59:04,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:04,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:59:04,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:59:04,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:59:04,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:59:04,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (1/1) ... [2024-01-27 14:59:05,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:05,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:59:05,032 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) [2024-01-27 14:59:05,079 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 [2024-01-27 14:59:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 14:59:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:59:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 14:59:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:59:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:59:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:59:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:59:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 14:59:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:59:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-01-27 14:59:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-01-27 14:59:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-01-27 14:59:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-01-27 14:59:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:59:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:59:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:59:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-01-27 14:59:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-01-27 14:59:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-01-27 14:59:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-01-27 14:59:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 14:59:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 14:59:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 14:59:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:59:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:59:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:59:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:59:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:59:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:59:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:59:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:59:05,107 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:59:05,363 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:59:05,365 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:59:05,587 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:59:05,587 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:59:05,781 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:59:05,782 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 14:59:05,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:05 BoogieIcfgContainer [2024-01-27 14:59:05,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:59:05,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:59:05,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:59:05,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:59:05,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:02" (1/4) ... [2024-01-27 14:59:05,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b8fd57 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:59:05, skipping insertion in model container [2024-01-27 14:59:05,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:59:03" (2/4) ... [2024-01-27 14:59:05,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b8fd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:59:05, skipping insertion in model container [2024-01-27 14:59:05,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:04" (3/4) ... [2024-01-27 14:59:05,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b8fd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:59:05, skipping insertion in model container [2024-01-27 14:59:05,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:05" (4/4) ... [2024-01-27 14:59:05,792 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2024-01-27 14:59:05,808 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:59:05,808 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-01-27 14:59:05,808 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:59:05,856 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-27 14:59:05,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 107 transitions, 221 flow [2024-01-27 14:59:05,932 INFO L124 PetriNetUnfolderBase]: 4/110 cut-off events. [2024-01-27 14:59:05,932 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 14:59:05,935 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. [2024-01-27 14:59:05,935 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 107 transitions, 221 flow [2024-01-27 14:59:05,940 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 102 transitions, 210 flow [2024-01-27 14:59:05,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:59:05,961 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;@2c3c7e2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:59:05,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2024-01-27 14:59:05,963 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:59:05,964 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:59:05,964 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:05,964 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:05,965 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:59:05,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:05,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:05,970 INFO L85 PathProgramCache]: Analyzing trace with hash 21981, now seen corresponding path program 1 times [2024-01-27 14:59:05,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:05,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516813997] [2024-01-27 14:59:05,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:05,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:06,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:06,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516813997] [2024-01-27 14:59:06,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516813997] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:06,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:06,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:59:06,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870898084] [2024-01-27 14:59:06,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:06,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:06,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:06,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:06,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:06,239 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 107 [2024-01-27 14:59:06,242 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) [2024-01-27 14:59:06,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:06,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 107 [2024-01-27 14:59:06,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:06,366 INFO L124 PetriNetUnfolderBase]: 103/285 cut-off events. [2024-01-27 14:59:06,366 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 14:59:06,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 285 events. 103/285 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1703 event pairs, 98 based on Foata normal form. 2/155 useless extension candidates. Maximal degree in co-relation 478. Up to 235 conditions per place. [2024-01-27 14:59:06,370 INFO L140 encePairwiseOnDemand]: 70/107 looper letters, 43 selfloop transitions, 3 changer transitions 0/75 dead transitions. [2024-01-27 14:59:06,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 75 transitions, 248 flow [2024-01-27 14:59:06,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:06,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2024-01-27 14:59:06,384 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.573208722741433 [2024-01-27 14:59:06,385 INFO L175 Difference]: Start difference. First operand has 104 places, 102 transitions, 210 flow. Second operand 3 states and 184 transitions. [2024-01-27 14:59:06,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 75 transitions, 248 flow [2024-01-27 14:59:06,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 75 transitions, 244 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:06,391 INFO L231 Difference]: Finished difference. Result has 75 places, 70 transitions, 155 flow [2024-01-27 14:59:06,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=75, PETRI_TRANSITIONS=70} [2024-01-27 14:59:06,397 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -29 predicate places. [2024-01-27 14:59:06,397 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 70 transitions, 155 flow [2024-01-27 14:59:06,397 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) [2024-01-27 14:59:06,397 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:06,398 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 14:59:06,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:59:06,399 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:06,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:06,399 INFO L85 PathProgramCache]: Analyzing trace with hash 21147423, now seen corresponding path program 1 times [2024-01-27 14:59:06,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:06,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996715224] [2024-01-27 14:59:06,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:06,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:06,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:06,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996715224] [2024-01-27 14:59:06,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996715224] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:06,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:06,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:06,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073884295] [2024-01-27 14:59:06,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:06,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:06,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:06,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:06,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:06,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 107 [2024-01-27 14:59:06,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 70 transitions, 155 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) [2024-01-27 14:59:06,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:06,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 107 [2024-01-27 14:59:06,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:06,556 INFO L124 PetriNetUnfolderBase]: 84/270 cut-off events. [2024-01-27 14:59:06,556 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-01-27 14:59:06,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 270 events. 84/270 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1459 event pairs, 56 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 472. Up to 197 conditions per place. [2024-01-27 14:59:06,558 INFO L140 encePairwiseOnDemand]: 94/107 looper letters, 42 selfloop transitions, 4 changer transitions 0/71 dead transitions. [2024-01-27 14:59:06,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 71 transitions, 251 flow [2024-01-27 14:59:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:06,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 142 transitions. [2024-01-27 14:59:06,560 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4423676012461059 [2024-01-27 14:59:06,560 INFO L175 Difference]: Start difference. First operand has 75 places, 70 transitions, 155 flow. Second operand 3 states and 142 transitions. [2024-01-27 14:59:06,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 71 transitions, 251 flow [2024-01-27 14:59:06,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 71 transitions, 245 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:06,562 INFO L231 Difference]: Finished difference. Result has 72 places, 68 transitions, 173 flow [2024-01-27 14:59:06,562 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=173, PETRI_PLACES=72, PETRI_TRANSITIONS=68} [2024-01-27 14:59:06,563 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -32 predicate places. [2024-01-27 14:59:06,563 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 68 transitions, 173 flow [2024-01-27 14:59:06,563 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) [2024-01-27 14:59:06,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:06,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-27 14:59:06,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:59:06,564 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:06,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:06,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1152142128, now seen corresponding path program 1 times [2024-01-27 14:59:06,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:06,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775758934] [2024-01-27 14:59:06,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:06,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:06,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:06,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775758934] [2024-01-27 14:59:06,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775758934] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:06,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:06,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:59:06,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750233381] [2024-01-27 14:59:06,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:06,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:06,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:06,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:06,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:06,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 107 [2024-01-27 14:59:06,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 68 transitions, 173 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) [2024-01-27 14:59:06,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:06,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 107 [2024-01-27 14:59:06,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:06,780 INFO L124 PetriNetUnfolderBase]: 84/265 cut-off events. [2024-01-27 14:59:06,780 INFO L125 PetriNetUnfolderBase]: For 54/59 co-relation queries the response was YES. [2024-01-27 14:59:06,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 265 events. 84/265 cut-off events. For 54/59 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1433 event pairs, 66 based on Foata normal form. 3/185 useless extension candidates. Maximal degree in co-relation 367. Up to 197 conditions per place. [2024-01-27 14:59:06,784 INFO L140 encePairwiseOnDemand]: 97/107 looper letters, 41 selfloop transitions, 8 changer transitions 0/67 dead transitions. [2024-01-27 14:59:06,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 67 transitions, 269 flow [2024-01-27 14:59:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:59:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:59:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166 transitions. [2024-01-27 14:59:06,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3102803738317757 [2024-01-27 14:59:06,788 INFO L175 Difference]: Start difference. First operand has 72 places, 68 transitions, 173 flow. Second operand 5 states and 166 transitions. [2024-01-27 14:59:06,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 67 transitions, 269 flow [2024-01-27 14:59:06,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 67 transitions, 263 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-01-27 14:59:06,791 INFO L231 Difference]: Finished difference. Result has 71 places, 64 transitions, 175 flow [2024-01-27 14:59:06,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=175, PETRI_PLACES=71, PETRI_TRANSITIONS=64} [2024-01-27 14:59:06,792 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -33 predicate places. [2024-01-27 14:59:06,792 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 64 transitions, 175 flow [2024-01-27 14:59:06,793 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) [2024-01-27 14:59:06,793 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:06,793 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:06,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:59:06,794 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:06,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:06,794 INFO L85 PathProgramCache]: Analyzing trace with hash -770128185, now seen corresponding path program 1 times [2024-01-27 14:59:06,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:06,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521482439] [2024-01-27 14:59:06,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:06,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:06,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:06,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521482439] [2024-01-27 14:59:06,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521482439] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:06,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:06,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:06,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411757433] [2024-01-27 14:59:06,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:06,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:06,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:06,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:06,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:06,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 107 [2024-01-27 14:59:06,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 64 transitions, 175 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) [2024-01-27 14:59:06,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:06,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 107 [2024-01-27 14:59:06,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:06,949 INFO L124 PetriNetUnfolderBase]: 84/259 cut-off events. [2024-01-27 14:59:06,949 INFO L125 PetriNetUnfolderBase]: For 57/62 co-relation queries the response was YES. [2024-01-27 14:59:06,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 558 conditions, 259 events. 84/259 cut-off events. For 57/62 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1442 event pairs, 81 based on Foata normal form. 2/179 useless extension candidates. Maximal degree in co-relation 346. Up to 208 conditions per place. [2024-01-27 14:59:06,953 INFO L140 encePairwiseOnDemand]: 103/107 looper letters, 38 selfloop transitions, 0 changer transitions 6/61 dead transitions. [2024-01-27 14:59:06,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 61 transitions, 255 flow [2024-01-27 14:59:06,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 134 transitions. [2024-01-27 14:59:06,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4174454828660436 [2024-01-27 14:59:06,955 INFO L175 Difference]: Start difference. First operand has 71 places, 64 transitions, 175 flow. Second operand 3 states and 134 transitions. [2024-01-27 14:59:06,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 61 transitions, 255 flow [2024-01-27 14:59:06,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 61 transitions, 241 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-27 14:59:06,958 INFO L231 Difference]: Finished difference. Result has 66 places, 55 transitions, 141 flow [2024-01-27 14:59:06,958 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=66, PETRI_TRANSITIONS=55} [2024-01-27 14:59:06,959 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -38 predicate places. [2024-01-27 14:59:06,959 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 55 transitions, 141 flow [2024-01-27 14:59:06,960 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) [2024-01-27 14:59:06,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:06,960 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:06,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:59:06,960 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:06,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:06,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1361490901, now seen corresponding path program 1 times [2024-01-27 14:59:06,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:06,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425704207] [2024-01-27 14:59:06,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:06,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:07,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:07,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425704207] [2024-01-27 14:59:07,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425704207] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:07,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:07,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:59:07,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899703375] [2024-01-27 14:59:07,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:07,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:07,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:07,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:07,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:07,082 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 107 [2024-01-27 14:59:07,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 55 transitions, 141 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) [2024-01-27 14:59:07,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:07,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 107 [2024-01-27 14:59:07,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:07,158 INFO L124 PetriNetUnfolderBase]: 84/276 cut-off events. [2024-01-27 14:59:07,158 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-01-27 14:59:07,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 276 events. 84/276 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1343 event pairs, 8 based on Foata normal form. 55/267 useless extension candidates. Maximal degree in co-relation 554. Up to 185 conditions per place. [2024-01-27 14:59:07,159 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 48 selfloop transitions, 2 changer transitions 0/62 dead transitions. [2024-01-27 14:59:07,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 62 transitions, 258 flow [2024-01-27 14:59:07,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:59:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:59:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 169 transitions. [2024-01-27 14:59:07,160 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39485981308411217 [2024-01-27 14:59:07,161 INFO L175 Difference]: Start difference. First operand has 66 places, 55 transitions, 141 flow. Second operand 4 states and 169 transitions. [2024-01-27 14:59:07,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 62 transitions, 258 flow [2024-01-27 14:59:07,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 62 transitions, 258 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-27 14:59:07,162 INFO L231 Difference]: Finished difference. Result has 57 places, 50 transitions, 135 flow [2024-01-27 14:59:07,162 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=57, PETRI_TRANSITIONS=50} [2024-01-27 14:59:07,163 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -47 predicate places. [2024-01-27 14:59:07,163 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 50 transitions, 135 flow [2024-01-27 14:59:07,163 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) [2024-01-27 14:59:07,163 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:07,163 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:07,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 14:59:07,164 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:07,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:07,164 INFO L85 PathProgramCache]: Analyzing trace with hash 743382368, now seen corresponding path program 1 times [2024-01-27 14:59:07,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:07,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501910464] [2024-01-27 14:59:07,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:07,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:07,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:07,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501910464] [2024-01-27 14:59:07,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501910464] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:07,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:07,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:07,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288434021] [2024-01-27 14:59:07,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:07,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:07,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:07,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:07,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:07,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-27 14:59:07,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 50 transitions, 135 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) [2024-01-27 14:59:07,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:07,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-27 14:59:07,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:07,274 INFO L124 PetriNetUnfolderBase]: 74/230 cut-off events. [2024-01-27 14:59:07,274 INFO L125 PetriNetUnfolderBase]: For 40/45 co-relation queries the response was YES. [2024-01-27 14:59:07,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 230 events. 74/230 cut-off events. For 40/45 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1113 event pairs, 26 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 470. Up to 119 conditions per place. [2024-01-27 14:59:07,275 INFO L140 encePairwiseOnDemand]: 96/107 looper letters, 40 selfloop transitions, 9 changer transitions 2/64 dead transitions. [2024-01-27 14:59:07,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 64 transitions, 263 flow [2024-01-27 14:59:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 152 transitions. [2024-01-27 14:59:07,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4735202492211838 [2024-01-27 14:59:07,277 INFO L175 Difference]: Start difference. First operand has 57 places, 50 transitions, 135 flow. Second operand 3 states and 152 transitions. [2024-01-27 14:59:07,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 64 transitions, 263 flow [2024-01-27 14:59:07,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 64 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:07,279 INFO L231 Difference]: Finished difference. Result has 58 places, 53 transitions, 183 flow [2024-01-27 14:59:07,279 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=58, PETRI_TRANSITIONS=53} [2024-01-27 14:59:07,280 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -46 predicate places. [2024-01-27 14:59:07,280 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 183 flow [2024-01-27 14:59:07,280 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) [2024-01-27 14:59:07,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:07,280 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:07,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 14:59:07,281 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:07,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:07,281 INFO L85 PathProgramCache]: Analyzing trace with hash 743382370, now seen corresponding path program 1 times [2024-01-27 14:59:07,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:07,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61224331] [2024-01-27 14:59:07,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:07,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:07,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:07,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61224331] [2024-01-27 14:59:07,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61224331] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:07,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:07,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091993154] [2024-01-27 14:59:07,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:07,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:07,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:07,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:07,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:07,346 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-27 14:59:07,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 53 transitions, 183 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) [2024-01-27 14:59:07,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:07,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-27 14:59:07,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:07,392 INFO L124 PetriNetUnfolderBase]: 58/188 cut-off events. [2024-01-27 14:59:07,392 INFO L125 PetriNetUnfolderBase]: For 132/137 co-relation queries the response was YES. [2024-01-27 14:59:07,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 188 events. 58/188 cut-off events. For 132/137 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 877 event pairs, 44 based on Foata normal form. 12/173 useless extension candidates. Maximal degree in co-relation 433. Up to 146 conditions per place. [2024-01-27 14:59:07,393 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 35 selfloop transitions, 2 changer transitions 0/50 dead transitions. [2024-01-27 14:59:07,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 50 transitions, 231 flow [2024-01-27 14:59:07,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2024-01-27 14:59:07,394 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42679127725856697 [2024-01-27 14:59:07,395 INFO L175 Difference]: Start difference. First operand has 58 places, 53 transitions, 183 flow. Second operand 3 states and 137 transitions. [2024-01-27 14:59:07,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 50 transitions, 231 flow [2024-01-27 14:59:07,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 50 transitions, 215 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-01-27 14:59:07,396 INFO L231 Difference]: Finished difference. Result has 54 places, 48 transitions, 141 flow [2024-01-27 14:59:07,396 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=54, PETRI_TRANSITIONS=48} [2024-01-27 14:59:07,397 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -50 predicate places. [2024-01-27 14:59:07,397 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 48 transitions, 141 flow [2024-01-27 14:59:07,397 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) [2024-01-27 14:59:07,397 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:07,398 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:07,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 14:59:07,398 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:07,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:07,398 INFO L85 PathProgramCache]: Analyzing trace with hash 743382374, now seen corresponding path program 1 times [2024-01-27 14:59:07,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:07,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853506528] [2024-01-27 14:59:07,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:07,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:07,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:07,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853506528] [2024-01-27 14:59:07,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853506528] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:07,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:07,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:07,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503278690] [2024-01-27 14:59:07,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:07,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:07,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:07,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:07,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:07,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-27 14:59:07,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 48 transitions, 141 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) [2024-01-27 14:59:07,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:07,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-27 14:59:07,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:07,513 INFO L124 PetriNetUnfolderBase]: 48/168 cut-off events. [2024-01-27 14:59:07,514 INFO L125 PetriNetUnfolderBase]: For 43/48 co-relation queries the response was YES. [2024-01-27 14:59:07,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 168 events. 48/168 cut-off events. For 43/48 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 694 event pairs, 14 based on Foata normal form. 14/158 useless extension candidates. Maximal degree in co-relation 360. Up to 84 conditions per place. [2024-01-27 14:59:07,515 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 35 selfloop transitions, 5 changer transitions 4/57 dead transitions. [2024-01-27 14:59:07,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 57 transitions, 246 flow [2024-01-27 14:59:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:07,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:07,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 144 transitions. [2024-01-27 14:59:07,516 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4485981308411215 [2024-01-27 14:59:07,516 INFO L175 Difference]: Start difference. First operand has 54 places, 48 transitions, 141 flow. Second operand 3 states and 144 transitions. [2024-01-27 14:59:07,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 57 transitions, 246 flow [2024-01-27 14:59:07,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 57 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:59:07,517 INFO L231 Difference]: Finished difference. Result has 55 places, 45 transitions, 148 flow [2024-01-27 14:59:07,518 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=55, PETRI_TRANSITIONS=45} [2024-01-27 14:59:07,518 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -49 predicate places. [2024-01-27 14:59:07,518 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 45 transitions, 148 flow [2024-01-27 14:59:07,519 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) [2024-01-27 14:59:07,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:07,519 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:07,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 14:59:07,519 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:07,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:07,519 INFO L85 PathProgramCache]: Analyzing trace with hash -527840393, now seen corresponding path program 1 times [2024-01-27 14:59:07,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:07,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303443027] [2024-01-27 14:59:07,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:07,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:07,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:07,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303443027] [2024-01-27 14:59:07,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303443027] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:07,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:07,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:07,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108603222] [2024-01-27 14:59:07,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:07,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:07,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:07,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:07,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:07,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-27 14:59:07,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 45 transitions, 148 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) [2024-01-27 14:59:07,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:07,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-27 14:59:07,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:07,609 INFO L124 PetriNetUnfolderBase]: 25/115 cut-off events. [2024-01-27 14:59:07,609 INFO L125 PetriNetUnfolderBase]: For 75/78 co-relation queries the response was YES. [2024-01-27 14:59:07,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 115 events. 25/115 cut-off events. For 75/78 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 370 event pairs, 7 based on Foata normal form. 9/121 useless extension candidates. Maximal degree in co-relation 255. Up to 52 conditions per place. [2024-01-27 14:59:07,610 INFO L140 encePairwiseOnDemand]: 99/107 looper letters, 31 selfloop transitions, 4 changer transitions 0/48 dead transitions. [2024-01-27 14:59:07,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 48 transitions, 212 flow [2024-01-27 14:59:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 138 transitions. [2024-01-27 14:59:07,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42990654205607476 [2024-01-27 14:59:07,611 INFO L175 Difference]: Start difference. First operand has 55 places, 45 transitions, 148 flow. Second operand 3 states and 138 transitions. [2024-01-27 14:59:07,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 48 transitions, 212 flow [2024-01-27 14:59:07,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 48 transitions, 201 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:07,613 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 122 flow [2024-01-27 14:59:07,613 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=114, 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=122, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-01-27 14:59:07,613 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -55 predicate places. [2024-01-27 14:59:07,613 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 122 flow [2024-01-27 14:59:07,614 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) [2024-01-27 14:59:07,614 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:07,614 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:07,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-27 14:59:07,614 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:07,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:07,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1485946690, now seen corresponding path program 1 times [2024-01-27 14:59:07,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:07,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474518114] [2024-01-27 14:59:07,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:07,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:07,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:59:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:07,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:59:07,655 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:59:07,656 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (76 of 77 remaining) [2024-01-27 14:59:07,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 77 remaining) [2024-01-27 14:59:07,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 77 remaining) [2024-01-27 14:59:07,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 77 remaining) [2024-01-27 14:59:07,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 77 remaining) [2024-01-27 14:59:07,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 77 remaining) [2024-01-27 14:59:07,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 77 remaining) [2024-01-27 14:59:07,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 77 remaining) [2024-01-27 14:59:07,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 77 remaining) [2024-01-27 14:59:07,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 77 remaining) [2024-01-27 14:59:07,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 77 remaining) [2024-01-27 14:59:07,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 77 remaining) [2024-01-27 14:59:07,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 77 remaining) [2024-01-27 14:59:07,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 77 remaining) [2024-01-27 14:59:07,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 77 remaining) [2024-01-27 14:59:07,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 77 remaining) [2024-01-27 14:59:07,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 77 remaining) [2024-01-27 14:59:07,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 77 remaining) [2024-01-27 14:59:07,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 77 remaining) [2024-01-27 14:59:07,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 77 remaining) [2024-01-27 14:59:07,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 77 remaining) [2024-01-27 14:59:07,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 77 remaining) [2024-01-27 14:59:07,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (54 of 77 remaining) [2024-01-27 14:59:07,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 77 remaining) [2024-01-27 14:59:07,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 77 remaining) [2024-01-27 14:59:07,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 77 remaining) [2024-01-27 14:59:07,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 77 remaining) [2024-01-27 14:59:07,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 77 remaining) [2024-01-27 14:59:07,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 77 remaining) [2024-01-27 14:59:07,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 77 remaining) [2024-01-27 14:59:07,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 77 remaining) [2024-01-27 14:59:07,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 77 remaining) [2024-01-27 14:59:07,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 77 remaining) [2024-01-27 14:59:07,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 77 remaining) [2024-01-27 14:59:07,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 77 remaining) [2024-01-27 14:59:07,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 77 remaining) [2024-01-27 14:59:07,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 77 remaining) [2024-01-27 14:59:07,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 77 remaining) [2024-01-27 14:59:07,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 77 remaining) [2024-01-27 14:59:07,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (37 of 77 remaining) [2024-01-27 14:59:07,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 77 remaining) [2024-01-27 14:59:07,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 77 remaining) [2024-01-27 14:59:07,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 77 remaining) [2024-01-27 14:59:07,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 77 remaining) [2024-01-27 14:59:07,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 77 remaining) [2024-01-27 14:59:07,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 77 remaining) [2024-01-27 14:59:07,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 77 remaining) [2024-01-27 14:59:07,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 77 remaining) [2024-01-27 14:59:07,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 77 remaining) [2024-01-27 14:59:07,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 77 remaining) [2024-01-27 14:59:07,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 77 remaining) [2024-01-27 14:59:07,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 77 remaining) [2024-01-27 14:59:07,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 77 remaining) [2024-01-27 14:59:07,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 77 remaining) [2024-01-27 14:59:07,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 77 remaining) [2024-01-27 14:59:07,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 77 remaining) [2024-01-27 14:59:07,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 77 remaining) [2024-01-27 14:59:07,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (19 of 77 remaining) [2024-01-27 14:59:07,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 77 remaining) [2024-01-27 14:59:07,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 77 remaining) [2024-01-27 14:59:07,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 77 remaining) [2024-01-27 14:59:07,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 77 remaining) [2024-01-27 14:59:07,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 77 remaining) [2024-01-27 14:59:07,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 77 remaining) [2024-01-27 14:59:07,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 77 remaining) [2024-01-27 14:59:07,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 77 remaining) [2024-01-27 14:59:07,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 77 remaining) [2024-01-27 14:59:07,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 77 remaining) [2024-01-27 14:59:07,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 77 remaining) [2024-01-27 14:59:07,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 77 remaining) [2024-01-27 14:59:07,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 77 remaining) [2024-01-27 14:59:07,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 77 remaining) [2024-01-27 14:59:07,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 77 remaining) [2024-01-27 14:59:07,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 77 remaining) [2024-01-27 14:59:07,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 77 remaining) [2024-01-27 14:59:07,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 77 remaining) [2024-01-27 14:59:07,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 77 remaining) [2024-01-27 14:59:07,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-27 14:59:07,669 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:07,674 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:59:07,674 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:59:07,692 INFO L503 ceAbstractionStarter]: Automizer considered 54 witness invariants [2024-01-27 14:59:07,692 INFO L504 ceAbstractionStarter]: WitnessConsidered=54 [2024-01-27 14:59:07,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:59:07 BasicIcfg [2024-01-27 14:59:07,693 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:59:07,693 INFO L158 Benchmark]: Toolchain (without parser) took 3893.69ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 117.4MB in the beginning and 101.2MB in the end (delta: 16.2MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2024-01-27 14:59:07,693 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 180.4MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:07,694 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 180.4MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:07,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 949.24ms. Allocated memory is still 180.4MB. Free memory was 116.6MB in the beginning and 54.5MB in the end (delta: 62.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-01-27 14:59:07,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.05ms. Allocated memory is still 180.4MB. Free memory was 54.5MB in the beginning and 51.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:07,694 INFO L158 Benchmark]: Boogie Preprocessor took 189.65ms. Allocated memory is still 180.4MB. Free memory was 51.1MB in the beginning and 147.1MB in the end (delta: -95.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-01-27 14:59:07,695 INFO L158 Benchmark]: RCFGBuilder took 786.66ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 147.1MB in the beginning and 205.3MB in the end (delta: -58.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-01-27 14:59:07,695 INFO L158 Benchmark]: TraceAbstraction took 1907.49ms. Allocated memory is still 247.5MB. Free memory was 204.2MB in the beginning and 101.2MB in the end (delta: 103.0MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2024-01-27 14:59:07,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 180.4MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.41ms. Allocated memory is still 180.4MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 949.24ms. Allocated memory is still 180.4MB. Free memory was 116.6MB in the beginning and 54.5MB in the end (delta: 62.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.05ms. Allocated memory is still 180.4MB. Free memory was 54.5MB in the beginning and 51.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 189.65ms. Allocated memory is still 180.4MB. Free memory was 51.1MB in the beginning and 147.1MB in the end (delta: -95.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * RCFGBuilder took 786.66ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 147.1MB in the beginning and 205.3MB in the end (delta: -58.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1907.49ms. Allocated memory is still 247.5MB. Free memory was 204.2MB in the beginning and 101.2MB in the end (delta: 103.0MB). Peak memory consumption was 104.1MB. 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[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1714] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [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[1],IdentifierExpression[pdev]]]] [L1714] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1714] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1714] 0 pdev = 2 [L1715] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1715] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],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[6]]]] [L1715] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1715] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] 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[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [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[6]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1702] 1 pdev = 6 [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[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,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [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[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1717] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1717] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1717] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [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,IntegerLiteral[0],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: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 400 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 247 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 797 IncrementalHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 32 mSDtfsCounter, 797 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, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 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! [2024-01-27 14:59:07,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE