./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_3-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_3-join.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 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_3-join.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/race-1_3-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-ab2e0ac-m [2024-01-29 14:38:16,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:38:16,833 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:38:16,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:38:16,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:38:16,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:38:16,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:38:16,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:38:16,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:38:16,879 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:38:16,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:38:16,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:38:16,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:38:16,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:38:16,885 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:38:16,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:38:16,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:38:16,891 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:38:16,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:38:16,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:38:16,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:38:16,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:38:16,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:38:16,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:38:16,893 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:38:16,893 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:38:16,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:38:16,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:38:16,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:38:16,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:38:16,895 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:38:16,895 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:38:16,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:38:16,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:38:16,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:38:16,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:38:16,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:38:16,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:38:16,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:38:16,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:38:16,908 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:38:16,909 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:38:16,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:38:16,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:38:17,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:38:17,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:38:17,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:38:17,197 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:38:17,198 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:38:17,199 INFO L431 ainManager$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_3-join.yml/witness.yml [2024-01-29 14:38:17,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:38:17,336 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:38:17,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2024-01-29 14:38:18,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:38:18,883 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:38:18,883 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2024-01-29 14:38:18,910 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1504272d5/d2a4cc9a729143cda7382a7000694689/FLAG4739c8e13 [2024-01-29 14:38:18,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1504272d5/d2a4cc9a729143cda7382a7000694689 [2024-01-29 14:38:18,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:38:18,929 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:38:18,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:38:18,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:38:18,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:38:18,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:38:17" (1/2) ... [2024-01-29 14:38:18,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327e047 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:38:18, skipping insertion in model container [2024-01-29 14:38:18,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:38:17" (1/2) ... [2024-01-29 14:38:18,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1eda06b2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:38:18, skipping insertion in model container [2024-01-29 14:38:18,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:38:18" (2/2) ... [2024-01-29 14:38:18,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327e047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:18, skipping insertion in model container [2024-01-29 14:38:18,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:38:18" (2/2) ... [2024-01-29 14:38:18,939 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:38:19,110 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:38:19,112 INFO L98 nessWitnessExtractor]: Location invariant before [L1709-L1709] pdev == 0 [2024-01-29 14:38:19,112 INFO L98 nessWitnessExtractor]: Location invariant before [L1695-L1695] expression == 1 [2024-01-29 14:38:19,112 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 == 4) || pdev == 5) || pdev == 6)) [2024-01-29 14:38:19,112 INFO L98 nessWitnessExtractor]: Location invariant before [L1695-L1695] expression == 0 [2024-01-29 14:38:19,112 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] (unsigned long )arg == 0UL [2024-01-29 14:38:19,113 INFO L98 nessWitnessExtractor]: Location invariant before [L1711-L1714] pdev == 1 [2024-01-29 14:38:19,113 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] pdev != 0 [2024-01-29 14:38:19,113 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] pdev <= 127 [2024-01-29 14:38:19,113 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] 0 <= pdev [2024-01-29 14:38:19,113 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] 1 <= pdev [2024-01-29 14:38:19,113 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] pdev <= 6 [2024-01-29 14:38:19,114 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-29 14:38:19,114 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] (unsigned long )arg == 0UL [2024-01-29 14:38:19,114 INFO L98 nessWitnessExtractor]: Location invariant before [L1729-L1729] (unsigned long )status == 0UL [2024-01-29 14:38:19,114 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev <= 127 [2024-01-29 14:38:19,114 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] (unsigned long )arg == 0UL [2024-01-29 14:38:19,114 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev <= 6 [2024-01-29 14:38:19,115 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] 0 <= pdev [2024-01-29 14:38:19,115 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] 1 <= pdev [2024-01-29 14:38:19,115 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev != 0 [2024-01-29 14:38:19,115 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-29 14:38:19,116 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L22] pdev == 1 [2024-01-29 14:38:19,116 INFO L98 nessWitnessExtractor]: Location invariant before [L1731-L1731] (unsigned long )status == 0UL [2024-01-29 14:38:19,116 INFO L98 nessWitnessExtractor]: Location invariant before [L1708-L1708] pdev == 0 [2024-01-29 14:38:19,116 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev <= 127 [2024-01-29 14:38:19,116 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev <= 6 [2024-01-29 14:38:19,117 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] 1 <= pdev [2024-01-29 14:38:19,117 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-29 14:38:19,117 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] 0 <= pdev [2024-01-29 14:38:19,117 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev != 0 [2024-01-29 14:38:19,117 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] (unsigned long )arg == 0UL [2024-01-29 14:38:19,118 INFO L98 nessWitnessExtractor]: Location invariant before [L1730-L1730] (unsigned long )status == 0UL [2024-01-29 14:38:19,118 INFO L98 nessWitnessExtractor]: Location invariant before [L1705-L1705] (unsigned long )arg == 0UL [2024-01-29 14:38:19,118 INFO L98 nessWitnessExtractor]: Location invariant before [L1710-L1710] pdev == 1 [2024-01-29 14:38:19,118 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] 0 <= pdev [2024-01-29 14:38:19,119 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] pdev <= 6 [2024-01-29 14:38:19,119 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] pdev <= 127 [2024-01-29 14:38:19,119 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] 1 <= pdev [2024-01-29 14:38:19,120 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-29 14:38:19,120 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] pdev != 0 [2024-01-29 14:38:19,120 INFO L98 nessWitnessExtractor]: Location invariant before [L1704-L1704] (unsigned long )arg == 0UL [2024-01-29 14:38:19,121 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] pdev == 1 [2024-01-29 14:38:19,121 INFO L98 nessWitnessExtractor]: Location invariant after [L1720-L1732] (unsigned long )status == 0UL [2024-01-29 14:38:19,121 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] pdev == 3 [2024-01-29 14:38:19,121 INFO L98 nessWitnessExtractor]: Location invariant before [L1712-L1712] pdev == 1 [2024-01-29 14:38:19,121 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] 0 <= pdev [2024-01-29 14:38:19,122 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] pdev <= 6 [2024-01-29 14:38:19,122 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] pdev != 0 [2024-01-29 14:38:19,122 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] 1 <= pdev [2024-01-29 14:38:19,122 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] pdev <= 127 [2024-01-29 14:38:19,122 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-29 14:38:19,122 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] pdev <= 127 [2024-01-29 14:38:19,123 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] 0 <= pdev [2024-01-29 14:38:19,123 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] 1 <= pdev [2024-01-29 14:38:19,123 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-29 14:38:19,124 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] pdev <= 6 [2024-01-29 14:38:19,124 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] pdev != 0 [2024-01-29 14:38:19,125 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] pdev == 3 [2024-01-29 14:38:19,125 INFO L98 nessWitnessExtractor]: Location invariant before [L1716-L1716] pdev == 3 [2024-01-29 14:38:19,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:38:19,751 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_3-join.i[76153,76166] [2024-01-29 14:38:19,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:38:19,795 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:38:19,805 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned int __mode_t; with a witness entry [2024-01-29 14:38:19,853 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_3-join.i[76153,76166] [2024-01-29 14:38:19,854 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 [2024-01-29 14:38:19,917 WARN L424 MainDispatcher]: Unable to annotate void module_exit() { void *status; __VERIFIER_atomic_begin(); pdev = 4; __VERIFIER_atomic_end(); __VERIFIER_atomic_begin(); ldv_assert(pdev==4); __VERIFIER_atomic_end(); pthread_join(t1, &status); pthread_mutex_destroy(&mutex); pdev = 5; ldv_assert(pdev==5); } with a witness entry [2024-01-29 14:38:19,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:38:20,050 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:38:20,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20 WrapperNode [2024-01-29 14:38:20,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:38:20,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:38:20,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:38:20,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:38:20,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,150 INFO L138 Inliner]: procedures = 483, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-01-29 14:38:20,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:38:20,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:38:20,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:38:20,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:38:20,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,179 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,242 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 3, 4, 5]. 36 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 1, 0, 5]. The 2 writes are split as follows [0, 1, 1, 0]. [2024-01-29 14:38:20,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:38:20,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:38:20,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:38:20,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:38:20,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (1/1) ... [2024-01-29 14:38:20,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:38:20,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:38:20,364 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) [2024-01-29 14:38:20,371 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 [2024-01-29 14:38:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:38:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:38:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 14:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-01-29 14:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-01-29 14:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-01-29 14:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-01-29 14:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:38:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-01-29 14:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-01-29 14:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-01-29 14:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-01-29 14:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 14:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:38:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:38:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:38:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:38:20,405 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:38:20,666 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:38:20,668 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:38:20,890 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:38:20,890 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:38:21,267 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:38:21,267 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:38:21,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:38:21 BoogieIcfgContainer [2024-01-29 14:38:21,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:38:21,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:38:21,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:38:21,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:38:21,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:38:17" (1/4) ... [2024-01-29 14:38:21,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca38578 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:38:21, skipping insertion in model container [2024-01-29 14:38:21,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:38:18" (2/4) ... [2024-01-29 14:38:21,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca38578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:38:21, skipping insertion in model container [2024-01-29 14:38:21,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:38:20" (3/4) ... [2024-01-29 14:38:21,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca38578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:38:21, skipping insertion in model container [2024-01-29 14:38:21,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:38:21" (4/4) ... [2024-01-29 14:38:21,280 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2024-01-29 14:38:21,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:38:21,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-01-29 14:38:21,300 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:38:21,354 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-29 14:38:21,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 107 transitions, 221 flow [2024-01-29 14:38:21,425 INFO L124 PetriNetUnfolderBase]: 4/138 cut-off events. [2024-01-29 14:38:21,425 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:38:21,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 138 events. 4/138 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 586 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 63. Up to 3 conditions per place. [2024-01-29 14:38:21,428 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 107 transitions, 221 flow [2024-01-29 14:38:21,434 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 103 transitions, 212 flow [2024-01-29 14:38:21,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:38:21,461 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;@3d39ffb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:38:21,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2024-01-29 14:38:21,464 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:38:21,464 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:38:21,465 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:38:21,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:21,466 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:38:21,466 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:21,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:21,471 INFO L85 PathProgramCache]: Analyzing trace with hash 22491, now seen corresponding path program 1 times [2024-01-29 14:38:21,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:21,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503765954] [2024-01-29 14:38:21,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:21,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:38:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:38:21,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:38:21,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503765954] [2024-01-29 14:38:21,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503765954] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:38:21,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:38:21,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:38:21,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137020230] [2024-01-29 14:38:21,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:38:21,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:38:21,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:38:21,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:38:21,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:38:21,910 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 107 [2024-01-29 14:38:21,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 103 transitions, 212 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) [2024-01-29 14:38:21,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:38:21,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 107 [2024-01-29 14:38:21,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:38:22,125 INFO L124 PetriNetUnfolderBase]: 70/227 cut-off events. [2024-01-29 14:38:22,125 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-29 14:38:22,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 227 events. 70/227 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1238 event pairs, 66 based on Foata normal form. 2/146 useless extension candidates. Maximal degree in co-relation 337. Up to 178 conditions per place. [2024-01-29 14:38:22,132 INFO L140 encePairwiseOnDemand]: 66/107 looper letters, 39 selfloop transitions, 3 changer transitions 0/71 dead transitions. [2024-01-29 14:38:22,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 71 transitions, 232 flow [2024-01-29 14:38:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:38:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:38:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 185 transitions. [2024-01-29 14:38:22,146 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5763239875389408 [2024-01-29 14:38:22,148 INFO L175 Difference]: Start difference. First operand has 104 places, 103 transitions, 212 flow. Second operand 3 states and 185 transitions. [2024-01-29 14:38:22,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 71 transitions, 232 flow [2024-01-29 14:38:22,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 71 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:38:22,155 INFO L231 Difference]: Finished difference. Result has 71 places, 67 transitions, 149 flow [2024-01-29 14:38:22,157 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=149, PETRI_PLACES=71, PETRI_TRANSITIONS=67} [2024-01-29 14:38:22,160 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -33 predicate places. [2024-01-29 14:38:22,160 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 67 transitions, 149 flow [2024-01-29 14:38:22,161 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) [2024-01-29 14:38:22,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:22,161 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:38:22,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:38:22,162 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:22,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:22,162 INFO L85 PathProgramCache]: Analyzing trace with hash 21637643, now seen corresponding path program 1 times [2024-01-29 14:38:22,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:22,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927658047] [2024-01-29 14:38:22,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:22,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:38:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:38:22,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:38:22,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927658047] [2024-01-29 14:38:22,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927658047] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:38:22,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:38:22,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:38:22,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458745878] [2024-01-29 14:38:22,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:38:22,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:38:22,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:38:22,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:38:22,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:38:22,261 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 107 [2024-01-29 14:38:22,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 67 transitions, 149 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) [2024-01-29 14:38:22,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:38:22,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 107 [2024-01-29 14:38:22,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:38:22,409 INFO L124 PetriNetUnfolderBase]: 54/221 cut-off events. [2024-01-29 14:38:22,409 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-01-29 14:38:22,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 221 events. 54/221 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1083 event pairs, 28 based on Foata normal form. 7/166 useless extension candidates. Maximal degree in co-relation 381. Up to 123 conditions per place. [2024-01-29 14:38:22,411 INFO L140 encePairwiseOnDemand]: 95/107 looper letters, 43 selfloop transitions, 4 changer transitions 0/72 dead transitions. [2024-01-29 14:38:22,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 72 transitions, 257 flow [2024-01-29 14:38:22,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:38:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:38:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 142 transitions. [2024-01-29 14:38:22,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4423676012461059 [2024-01-29 14:38:22,417 INFO L175 Difference]: Start difference. First operand has 71 places, 67 transitions, 149 flow. Second operand 3 states and 142 transitions. [2024-01-29 14:38:22,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 72 transitions, 257 flow [2024-01-29 14:38:22,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 72 transitions, 243 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-01-29 14:38:22,421 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 159 flow [2024-01-29 14:38:22,421 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=68, PETRI_TRANSITIONS=65} [2024-01-29 14:38:22,422 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -36 predicate places. [2024-01-29 14:38:22,422 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 159 flow [2024-01-29 14:38:22,422 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) [2024-01-29 14:38:22,423 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:22,423 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 14:38:22,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:38:22,424 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:22,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:22,424 INFO L85 PathProgramCache]: Analyzing trace with hash -681039762, now seen corresponding path program 1 times [2024-01-29 14:38:22,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:22,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299779957] [2024-01-29 14:38:22,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:22,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:38:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:38:22,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:38:22,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299779957] [2024-01-29 14:38:22,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299779957] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:38:22,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:38:22,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 14:38:22,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959500421] [2024-01-29 14:38:22,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:38:22,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:38:22,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:38:22,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:38:22,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:38:22,581 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 107 [2024-01-29 14:38:22,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 159 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) [2024-01-29 14:38:22,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:38:22,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 107 [2024-01-29 14:38:22,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:38:22,706 INFO L124 PetriNetUnfolderBase]: 54/217 cut-off events. [2024-01-29 14:38:22,706 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-01-29 14:38:22,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 217 events. 54/217 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1068 event pairs, 28 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 400. Up to 123 conditions per place. [2024-01-29 14:38:22,709 INFO L140 encePairwiseOnDemand]: 97/107 looper letters, 42 selfloop transitions, 8 changer transitions 0/68 dead transitions. [2024-01-29 14:38:22,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 68 transitions, 265 flow [2024-01-29 14:38:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 14:38:22,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 14:38:22,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167 transitions. [2024-01-29 14:38:22,711 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3121495327102804 [2024-01-29 14:38:22,711 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 159 flow. Second operand 5 states and 167 transitions. [2024-01-29 14:38:22,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 68 transitions, 265 flow [2024-01-29 14:38:22,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 68 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:38:22,714 INFO L231 Difference]: Finished difference. Result has 66 places, 61 transitions, 160 flow [2024-01-29 14:38:22,714 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=160, PETRI_PLACES=66, PETRI_TRANSITIONS=61} [2024-01-29 14:38:22,715 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -38 predicate places. [2024-01-29 14:38:22,716 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 61 transitions, 160 flow [2024-01-29 14:38:22,716 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) [2024-01-29 14:38:22,716 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:22,716 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:38:22,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:38:22,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:22,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:22,717 INFO L85 PathProgramCache]: Analyzing trace with hash 561425657, now seen corresponding path program 1 times [2024-01-29 14:38:22,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:22,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613536121] [2024-01-29 14:38:22,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:22,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:38:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:38:22,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:38:22,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613536121] [2024-01-29 14:38:22,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613536121] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:38:22,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:38:22,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:38:22,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296747915] [2024-01-29 14:38:22,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:38:22,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:38:22,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:38:22,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:38:22,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:38:22,807 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 107 [2024-01-29 14:38:22,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 61 transitions, 160 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) [2024-01-29 14:38:22,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:38:22,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 107 [2024-01-29 14:38:22,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:38:22,899 INFO L124 PetriNetUnfolderBase]: 54/187 cut-off events. [2024-01-29 14:38:22,900 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-01-29 14:38:22,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 187 events. 54/187 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 913 event pairs, 51 based on Foata normal form. 1/139 useless extension candidates. Maximal degree in co-relation 113. Up to 142 conditions per place. [2024-01-29 14:38:22,905 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 42 selfloop transitions, 1 changer transitions 2/63 dead transitions. [2024-01-29 14:38:22,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 63 transitions, 256 flow [2024-01-29 14:38:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:38:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:38:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 139 transitions. [2024-01-29 14:38:22,906 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43302180685358255 [2024-01-29 14:38:22,906 INFO L175 Difference]: Start difference. First operand has 66 places, 61 transitions, 160 flow. Second operand 3 states and 139 transitions. [2024-01-29 14:38:22,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 63 transitions, 256 flow [2024-01-29 14:38:22,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 63 transitions, 242 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 14:38:22,911 INFO L231 Difference]: Finished difference. Result has 62 places, 58 transitions, 149 flow [2024-01-29 14:38:22,911 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=149, PETRI_PLACES=62, PETRI_TRANSITIONS=58} [2024-01-29 14:38:22,912 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -42 predicate places. [2024-01-29 14:38:22,912 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 58 transitions, 149 flow [2024-01-29 14:38:22,913 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) [2024-01-29 14:38:22,913 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:22,913 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:38:22,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:38:22,913 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:22,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:22,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1636967270, now seen corresponding path program 1 times [2024-01-29 14:38:22,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:22,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467798820] [2024-01-29 14:38:22,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:22,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:38:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:38:23,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:38:23,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467798820] [2024-01-29 14:38:23,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467798820] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:38:23,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:38:23,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:38:23,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159157509] [2024-01-29 14:38:23,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:38:23,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:38:23,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:38:23,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:38:23,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:38:23,157 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 107 [2024-01-29 14:38:23,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 149 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) [2024-01-29 14:38:23,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:38:23,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 107 [2024-01-29 14:38:23,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:38:23,267 INFO L124 PetriNetUnfolderBase]: 54/209 cut-off events. [2024-01-29 14:38:23,267 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-01-29 14:38:23,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 209 events. 54/209 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 873 event pairs, 6 based on Foata normal form. 43/220 useless extension candidates. Maximal degree in co-relation 380. Up to 122 conditions per place. [2024-01-29 14:38:23,268 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 45 selfloop transitions, 2 changer transitions 6/67 dead transitions. [2024-01-29 14:38:23,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 277 flow [2024-01-29 14:38:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:38:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:38:23,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 172 transitions. [2024-01-29 14:38:23,270 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40186915887850466 [2024-01-29 14:38:23,270 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 149 flow. Second operand 4 states and 172 transitions. [2024-01-29 14:38:23,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 277 flow [2024-01-29 14:38:23,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 67 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:38:23,272 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 138 flow [2024-01-29 14:38:23,272 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=138, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-01-29 14:38:23,273 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -45 predicate places. [2024-01-29 14:38:23,273 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 138 flow [2024-01-29 14:38:23,273 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) [2024-01-29 14:38:23,273 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:23,273 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:38:23,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:38:23,274 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:23,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:23,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1918501462, now seen corresponding path program 1 times [2024-01-29 14:38:23,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:23,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142971261] [2024-01-29 14:38:23,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:23,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:38:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:38:23,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:38:23,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142971261] [2024-01-29 14:38:23,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142971261] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:38:23,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:38:23,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:38:23,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023718794] [2024-01-29 14:38:23,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:38:23,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:38:23,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:38:23,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:38:23,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:38:23,361 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-29 14:38:23,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2024-01-29 14:38:23,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:38:23,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-29 14:38:23,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:38:23,428 INFO L124 PetriNetUnfolderBase]: 32/132 cut-off events. [2024-01-29 14:38:23,428 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-01-29 14:38:23,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 132 events. 32/132 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 487 event pairs, 22 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 230. Up to 87 conditions per place. [2024-01-29 14:38:23,429 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 39 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2024-01-29 14:38:23,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 58 transitions, 239 flow [2024-01-29 14:38:23,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:38:23,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:38:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2024-01-29 14:38:23,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4517133956386293 [2024-01-29 14:38:23,431 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 138 flow. Second operand 3 states and 145 transitions. [2024-01-29 14:38:23,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 58 transitions, 239 flow [2024-01-29 14:38:23,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 58 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:38:23,434 INFO L231 Difference]: Finished difference. Result has 58 places, 52 transitions, 163 flow [2024-01-29 14:38:23,434 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=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=163, PETRI_PLACES=58, PETRI_TRANSITIONS=52} [2024-01-29 14:38:23,437 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -46 predicate places. [2024-01-29 14:38:23,437 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 52 transitions, 163 flow [2024-01-29 14:38:23,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2024-01-29 14:38:23,438 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:23,438 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:38:23,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:38:23,438 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:23,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:23,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1796182145, now seen corresponding path program 1 times [2024-01-29 14:38:23,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:23,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165532446] [2024-01-29 14:38:23,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:23,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:38:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:38:23,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:38:23,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165532446] [2024-01-29 14:38:23,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165532446] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:38:23,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:38:23,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 14:38:23,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828839635] [2024-01-29 14:38:23,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:38:23,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:38:23,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:38:23,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:38:23,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:38:23,519 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 107 [2024-01-29 14:38:23,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 52 transitions, 163 flow. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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) [2024-01-29 14:38:23,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:38:23,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 107 [2024-01-29 14:38:23,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:38:23,605 INFO L124 PetriNetUnfolderBase]: 32/130 cut-off events. [2024-01-29 14:38:23,606 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-01-29 14:38:23,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 130 events. 32/130 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 474 event pairs, 28 based on Foata normal form. 1/118 useless extension candidates. Maximal degree in co-relation 264. Up to 104 conditions per place. [2024-01-29 14:38:23,607 INFO L140 encePairwiseOnDemand]: 104/107 looper letters, 32 selfloop transitions, 0 changer transitions 8/53 dead transitions. [2024-01-29 14:38:23,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 53 transitions, 241 flow [2024-01-29 14:38:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:38:23,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:38:23,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 171 transitions. [2024-01-29 14:38:23,608 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39953271028037385 [2024-01-29 14:38:23,608 INFO L175 Difference]: Start difference. First operand has 58 places, 52 transitions, 163 flow. Second operand 4 states and 171 transitions. [2024-01-29 14:38:23,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 53 transitions, 241 flow [2024-01-29 14:38:23,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 53 transitions, 222 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-01-29 14:38:23,612 INFO L231 Difference]: Finished difference. Result has 60 places, 45 transitions, 131 flow [2024-01-29 14:38:23,612 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=60, PETRI_TRANSITIONS=45} [2024-01-29 14:38:23,614 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -44 predicate places. [2024-01-29 14:38:23,614 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 45 transitions, 131 flow [2024-01-29 14:38:23,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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) [2024-01-29 14:38:23,614 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:23,614 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:38:23,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 14:38:23,614 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:23,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1563607335, now seen corresponding path program 1 times [2024-01-29 14:38:23,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:23,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028043729] [2024-01-29 14:38:23,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:23,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:38:23,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:38:23,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:38:23,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028043729] [2024-01-29 14:38:23,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028043729] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:38:23,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:38:23,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:38:23,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312801892] [2024-01-29 14:38:23,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:38:23,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:38:23,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:38:23,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:38:23,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:38:23,725 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-29 14:38:23,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 45 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-01-29 14:38:23,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:38:23,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-29 14:38:23,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:38:23,773 INFO L124 PetriNetUnfolderBase]: 30/117 cut-off events. [2024-01-29 14:38:23,773 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-01-29 14:38:23,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 117 events. 30/117 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 412 event pairs, 26 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 263. Up to 94 conditions per place. [2024-01-29 14:38:23,774 INFO L140 encePairwiseOnDemand]: 105/107 looper letters, 30 selfloop transitions, 1 changer transitions 0/44 dead transitions. [2024-01-29 14:38:23,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 44 transitions, 189 flow [2024-01-29 14:38:23,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:38:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:38:23,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 127 transitions. [2024-01-29 14:38:23,776 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3956386292834891 [2024-01-29 14:38:23,776 INFO L175 Difference]: Start difference. First operand has 60 places, 45 transitions, 131 flow. Second operand 3 states and 127 transitions. [2024-01-29 14:38:23,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 44 transitions, 189 flow [2024-01-29 14:38:23,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 44 transitions, 185 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-01-29 14:38:23,777 INFO L231 Difference]: Finished difference. Result has 50 places, 44 transitions, 125 flow [2024-01-29 14:38:23,777 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=50, PETRI_TRANSITIONS=44} [2024-01-29 14:38:23,780 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -54 predicate places. [2024-01-29 14:38:23,780 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 44 transitions, 125 flow [2024-01-29 14:38:23,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-01-29 14:38:23,781 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:23,781 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:38:23,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 14:38:23,781 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:23,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:23,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1563607334, now seen corresponding path program 1 times [2024-01-29 14:38:23,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:23,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814082993] [2024-01-29 14:38:23,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:23,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:38:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:38:23,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:38:23,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814082993] [2024-01-29 14:38:23,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814082993] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:38:23,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:38:23,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:38:23,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394038877] [2024-01-29 14:38:23,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:38:23,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:38:23,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:38:23,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:38:23,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:38:23,860 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 107 [2024-01-29 14:38:23,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 44 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2024-01-29 14:38:23,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:38:23,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 107 [2024-01-29 14:38:23,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:38:23,903 INFO L124 PetriNetUnfolderBase]: 28/112 cut-off events. [2024-01-29 14:38:23,903 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-01-29 14:38:23,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 112 events. 28/112 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 384 event pairs, 24 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 241. Up to 87 conditions per place. [2024-01-29 14:38:23,904 INFO L140 encePairwiseOnDemand]: 105/107 looper letters, 29 selfloop transitions, 1 changer transitions 0/43 dead transitions. [2024-01-29 14:38:23,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 43 transitions, 181 flow [2024-01-29 14:38:23,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:38:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:38:23,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 120 transitions. [2024-01-29 14:38:23,905 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37383177570093457 [2024-01-29 14:38:23,905 INFO L175 Difference]: Start difference. First operand has 50 places, 44 transitions, 125 flow. Second operand 3 states and 120 transitions. [2024-01-29 14:38:23,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 43 transitions, 181 flow [2024-01-29 14:38:23,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 180 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:38:23,907 INFO L231 Difference]: Finished difference. Result has 50 places, 43 transitions, 122 flow [2024-01-29 14:38:23,907 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=50, PETRI_TRANSITIONS=43} [2024-01-29 14:38:23,908 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -54 predicate places. [2024-01-29 14:38:23,909 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 122 flow [2024-01-29 14:38:23,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2024-01-29 14:38:23,909 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:23,909 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:38:23,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 14:38:23,909 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:23,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:23,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1563607336, now seen corresponding path program 1 times [2024-01-29 14:38:23,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:23,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258814401] [2024-01-29 14:38:23,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:23,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:38:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:38:23,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:38:23,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258814401] [2024-01-29 14:38:23,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258814401] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:38:23,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:38:23,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:38:23,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81221580] [2024-01-29 14:38:23,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:38:23,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:38:23,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:38:23,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:38:23,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:38:23,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-29 14:38:23,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 43 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-01-29 14:38:23,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:38:23,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-29 14:38:23,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:38:24,050 INFO L124 PetriNetUnfolderBase]: 21/105 cut-off events. [2024-01-29 14:38:24,050 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-01-29 14:38:24,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 105 events. 21/105 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 309 event pairs, 7 based on Foata normal form. 3/104 useless extension candidates. Maximal degree in co-relation 213. Up to 42 conditions per place. [2024-01-29 14:38:24,051 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 31 selfloop transitions, 4 changer transitions 0/48 dead transitions. [2024-01-29 14:38:24,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 48 transitions, 197 flow [2024-01-29 14:38:24,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:38:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:38:24,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2024-01-29 14:38:24,053 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4236760124610592 [2024-01-29 14:38:24,053 INFO L175 Difference]: Start difference. First operand has 50 places, 43 transitions, 122 flow. Second operand 3 states and 136 transitions. [2024-01-29 14:38:24,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 48 transitions, 197 flow [2024-01-29 14:38:24,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 48 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:38:24,055 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 117 flow [2024-01-29 14:38:24,055 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=109, 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=117, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-01-29 14:38:24,056 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -55 predicate places. [2024-01-29 14:38:24,056 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 117 flow [2024-01-29 14:38:24,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-01-29 14:38:24,057 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:38:24,057 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:38:24,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-29 14:38:24,057 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-29 14:38:24,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:38:24,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1952869620, now seen corresponding path program 1 times [2024-01-29 14:38:24,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:38:24,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589390636] [2024-01-29 14:38:24,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:38:24,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:38:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:38:24,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:38:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:38:24,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:38:24,136 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:38:24,137 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (76 of 77 remaining) [2024-01-29 14:38:24,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 77 remaining) [2024-01-29 14:38:24,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 77 remaining) [2024-01-29 14:38:24,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 77 remaining) [2024-01-29 14:38:24,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 77 remaining) [2024-01-29 14:38:24,139 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 77 remaining) [2024-01-29 14:38:24,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 77 remaining) [2024-01-29 14:38:24,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 77 remaining) [2024-01-29 14:38:24,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 77 remaining) [2024-01-29 14:38:24,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 77 remaining) [2024-01-29 14:38:24,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 77 remaining) [2024-01-29 14:38:24,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 77 remaining) [2024-01-29 14:38:24,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 77 remaining) [2024-01-29 14:38:24,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 77 remaining) [2024-01-29 14:38:24,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 77 remaining) [2024-01-29 14:38:24,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 77 remaining) [2024-01-29 14:38:24,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 77 remaining) [2024-01-29 14:38:24,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 77 remaining) [2024-01-29 14:38:24,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 77 remaining) [2024-01-29 14:38:24,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 77 remaining) [2024-01-29 14:38:24,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 77 remaining) [2024-01-29 14:38:24,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 77 remaining) [2024-01-29 14:38:24,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (54 of 77 remaining) [2024-01-29 14:38:24,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 77 remaining) [2024-01-29 14:38:24,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 77 remaining) [2024-01-29 14:38:24,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 77 remaining) [2024-01-29 14:38:24,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 77 remaining) [2024-01-29 14:38:24,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (49 of 77 remaining) [2024-01-29 14:38:24,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 77 remaining) [2024-01-29 14:38:24,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 77 remaining) [2024-01-29 14:38:24,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 77 remaining) [2024-01-29 14:38:24,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 77 remaining) [2024-01-29 14:38:24,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 77 remaining) [2024-01-29 14:38:24,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 77 remaining) [2024-01-29 14:38:24,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 77 remaining) [2024-01-29 14:38:24,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 77 remaining) [2024-01-29 14:38:24,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 77 remaining) [2024-01-29 14:38:24,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 77 remaining) [2024-01-29 14:38:24,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 77 remaining) [2024-01-29 14:38:24,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 77 remaining) [2024-01-29 14:38:24,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 77 remaining) [2024-01-29 14:38:24,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 77 remaining) [2024-01-29 14:38:24,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 77 remaining) [2024-01-29 14:38:24,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 77 remaining) [2024-01-29 14:38:24,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 77 remaining) [2024-01-29 14:38:24,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 77 remaining) [2024-01-29 14:38:24,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 77 remaining) [2024-01-29 14:38:24,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 77 remaining) [2024-01-29 14:38:24,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 77 remaining) [2024-01-29 14:38:24,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 77 remaining) [2024-01-29 14:38:24,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 77 remaining) [2024-01-29 14:38:24,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 77 remaining) [2024-01-29 14:38:24,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 77 remaining) [2024-01-29 14:38:24,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 77 remaining) [2024-01-29 14:38:24,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 77 remaining) [2024-01-29 14:38:24,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 77 remaining) [2024-01-29 14:38:24,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 77 remaining) [2024-01-29 14:38:24,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (19 of 77 remaining) [2024-01-29 14:38:24,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 77 remaining) [2024-01-29 14:38:24,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 77 remaining) [2024-01-29 14:38:24,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 77 remaining) [2024-01-29 14:38:24,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 77 remaining) [2024-01-29 14:38:24,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 77 remaining) [2024-01-29 14:38:24,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 77 remaining) [2024-01-29 14:38:24,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 77 remaining) [2024-01-29 14:38:24,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 77 remaining) [2024-01-29 14:38:24,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 77 remaining) [2024-01-29 14:38:24,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 77 remaining) [2024-01-29 14:38:24,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 77 remaining) [2024-01-29 14:38:24,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 77 remaining) [2024-01-29 14:38:24,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 77 remaining) [2024-01-29 14:38:24,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 77 remaining) [2024-01-29 14:38:24,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 77 remaining) [2024-01-29 14:38:24,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 77 remaining) [2024-01-29 14:38:24,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 77 remaining) [2024-01-29 14:38:24,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 77 remaining) [2024-01-29 14:38:24,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 77 remaining) [2024-01-29 14:38:24,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-29 14:38:24,149 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:38:24,156 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:38:24,156 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:38:24,199 INFO L503 ceAbstractionStarter]: Automizer considered 54 witness invariants [2024-01-29 14:38:24,199 INFO L504 ceAbstractionStarter]: WitnessConsidered=54 [2024-01-29 14:38:24,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:38:24 BasicIcfg [2024-01-29 14:38:24,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:38:24,201 INFO L158 Benchmark]: Toolchain (without parser) took 5272.74ms. Allocated memory was 151.0MB in the beginning and 249.6MB in the end (delta: 98.6MB). Free memory was 112.0MB in the beginning and 114.9MB in the end (delta: -2.9MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. [2024-01-29 14:38:24,201 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:38:24,202 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:38:24,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1122.95ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 94.7MB in the end (delta: 16.7MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-01-29 14:38:24,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.55ms. Allocated memory is still 151.0MB. Free memory was 94.7MB in the beginning and 91.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 14:38:24,202 INFO L158 Benchmark]: Boogie Preprocessor took 171.18ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 91.3MB in the beginning and 154.2MB in the end (delta: -62.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-01-29 14:38:24,202 INFO L158 Benchmark]: RCFGBuilder took 945.05ms. Allocated memory is still 188.7MB. Free memory was 154.2MB in the beginning and 145.0MB in the end (delta: 9.1MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. [2024-01-29 14:38:24,203 INFO L158 Benchmark]: TraceAbstraction took 2929.61ms. Allocated memory was 188.7MB in the beginning and 249.6MB in the end (delta: 60.8MB). Free memory was 145.0MB in the beginning and 114.9MB in the end (delta: 30.1MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. [2024-01-29 14:38:24,204 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 0.19ms. Allocated memory is still 151.0MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1122.95ms. Allocated memory is still 151.0MB. Free memory was 111.4MB in the beginning and 94.7MB in the end (delta: 16.7MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.55ms. Allocated memory is still 151.0MB. Free memory was 94.7MB in the beginning and 91.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.18ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 91.3MB in the beginning and 154.2MB in the end (delta: -62.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * RCFGBuilder took 945.05ms. Allocated memory is still 188.7MB. Free memory was 154.2MB in the beginning and 145.0MB in the end (delta: 9.1MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2929.61ms. Allocated memory was 188.7MB in the beginning and 249.6MB in the end (delta: 60.8MB). Free memory was 145.0MB in the beginning and 114.9MB in the end (delta: 30.1MB). Peak memory consumption was 92.0MB. 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, EXPR 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}] [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=1, t1={3:0}] [L1713] 0 return 0; VAL [\result=0, arg={0:0}, arg={0:0}, mutex={4:0}, pdev=1, t1={3:0}] [L1734] RET, EXPR 0 module_init() [L1734] COND FALSE 0 !(module_init()!=0) [L1735] CALL 0 module_exit() [L1721] 0 void *status; VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=1, status={7:0}, t1={3:0}] [L1723] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1723] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1723] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[4]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] [L1723] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1723] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1723] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1723] 0 pdev = 4 [L1724] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1724] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[4]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] [L1724] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1724] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1724] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1724] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, status={7:0}, t1={3:0}] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[4]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [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 pdev = 6 [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[4]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, t1={3:0}] [L1726] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[4]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] [L1726] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1726] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1726] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1726] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1726] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1726] CALL 0 ldv_assert(pdev==4) [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: 1715]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1716]: 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: 1723]: 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: 1723]: 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: 1723]: 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: 1724]: 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: 1724]: 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: 1724]: 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: 1726]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1726]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1726]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1726]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1726]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1726]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1727]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1727]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1727]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1727]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1727]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 1727]: 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: 2.8s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 382 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 832 IncrementalHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 33 mSDtfsCounter, 832 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=212occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 0.8s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [2024-01-29 14:38:24,246 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