./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 a340643f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_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-a340643-m [2024-01-27 14:59:03,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 14:59:03,808 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 14:59:03,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 14:59:03,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 14:59:03,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 14:59:03,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 14:59:03,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 14:59:03,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 14:59:03,849 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 14:59:03,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 14:59:03,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 14:59:03,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 14:59:03,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 14:59:03,852 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 14:59:03,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 14:59:03,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 14:59:03,855 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 14:59:03,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 14:59:03,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 14:59:03,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 14:59:03,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 14:59:03,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 14:59:03,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 14:59:03,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 14:59:03,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 14:59:03,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 14:59:03,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 14:59:03,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 14:59:03,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 14:59:03,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 14:59:03,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 14:59:03,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:03,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 14:59:03,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 14:59:03,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 14:59:03,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 14:59:03,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 14:59:03,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 14:59:03,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 14:59:03,861 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 14:59:03,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 14:59:03,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 14:59:03,862 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 14:59:04,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 14:59:04,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 14:59:04,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 14:59:04,094 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 14:59:04,095 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 14:59:04,096 INFO L431 ainManager$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 [2024-01-27 14:59:04,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 14:59:04,244 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 14:59:04,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2024-01-27 14:59:05,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 14:59:05,517 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 14:59:05,517 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2024-01-27 14:59:05,560 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4c9e7183/a81c351023ab4dedb16c0b429f6ee6e3/FLAGa4aa1bca4 [2024-01-27 14:59:05,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4c9e7183/a81c351023ab4dedb16c0b429f6ee6e3 [2024-01-27 14:59:05,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 14:59:05,577 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 14:59:05,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:05,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 14:59:05,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 14:59:05,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:04" (1/2) ... [2024-01-27 14:59:05,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2335b948 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:05, skipping insertion in model container [2024-01-27 14:59:05,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:04" (1/2) ... [2024-01-27 14:59:05,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e6d244c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 02:59:05, skipping insertion in model container [2024-01-27 14:59:05,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:05" (2/2) ... [2024-01-27 14:59:05,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2335b948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:05, skipping insertion in model container [2024-01-27 14:59:05,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:59:05" (2/2) ... [2024-01-27 14:59:05,592 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 14:59:05,676 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 14:59:05,678 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-27 14:59:05,678 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] 1 <= pdev [2024-01-27 14:59:05,678 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] 0 <= pdev [2024-01-27 14:59:05,688 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] pdev != 0 [2024-01-27 14:59:05,688 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] pdev <= 127 [2024-01-27 14:59:05,689 INFO L98 nessWitnessExtractor]: Location invariant before [L1727-L1727] pdev <= 6 [2024-01-27 14:59:05,689 INFO L98 nessWitnessExtractor]: Location invariant before [L1711-L1714] pdev == 1 [2024-01-27 14:59:05,689 INFO L98 nessWitnessExtractor]: Location invariant before [L1710-L1710] pdev == 1 [2024-01-27 14:59:05,689 INFO L98 nessWitnessExtractor]: Location invariant before [L1712-L1712] pdev == 1 [2024-01-27 14:59:05,689 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] 0 <= pdev [2024-01-27 14:59:05,689 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] pdev != 0 [2024-01-27 14:59:05,689 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] pdev <= 6 [2024-01-27 14:59:05,689 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] 1 <= pdev [2024-01-27 14:59:05,690 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] pdev <= 127 [2024-01-27 14:59:05,690 INFO L98 nessWitnessExtractor]: Location invariant before [L1724-L1724] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-27 14:59:05,690 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L22] pdev == 1 [2024-01-27 14:59:05,690 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)) [2024-01-27 14:59:05,690 INFO L98 nessWitnessExtractor]: Location invariant before [L1695-L1695] expression == 1 [2024-01-27 14:59:05,690 INFO L98 nessWitnessExtractor]: Location invariant before [L1695-L1695] expression == 0 [2024-01-27 14:59:05,690 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-27 14:59:05,691 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] 1 <= pdev [2024-01-27 14:59:05,691 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev != 0 [2024-01-27 14:59:05,691 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev <= 6 [2024-01-27 14:59:05,691 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] pdev <= 127 [2024-01-27 14:59:05,691 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] (unsigned long )arg == 0UL [2024-01-27 14:59:05,692 INFO L98 nessWitnessExtractor]: Location invariant before [L1703-L1703] 0 <= pdev [2024-01-27 14:59:05,692 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] (unsigned long )arg == 0UL [2024-01-27 14:59:05,692 INFO L98 nessWitnessExtractor]: Location invariant before [L1705-L1705] (unsigned long )arg == 0UL [2024-01-27 14:59:05,692 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] pdev <= 6 [2024-01-27 14:59:05,692 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] pdev <= 127 [2024-01-27 14:59:05,692 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] 1 <= pdev [2024-01-27 14:59:05,693 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] pdev != 0 [2024-01-27 14:59:05,693 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-27 14:59:05,693 INFO L98 nessWitnessExtractor]: Location invariant before [L1723-L1723] 0 <= pdev [2024-01-27 14:59:05,693 INFO L98 nessWitnessExtractor]: Location invariant before [L1704-L1704] (unsigned long )arg == 0UL [2024-01-27 14:59:05,693 INFO L98 nessWitnessExtractor]: Location invariant before [L1716-L1716] pdev == 3 [2024-01-27 14:59:05,694 INFO L98 nessWitnessExtractor]: Location invariant before [L1709-L1709] pdev == 0 [2024-01-27 14:59:05,694 INFO L98 nessWitnessExtractor]: Location invariant before [L1708-L1708] pdev == 0 [2024-01-27 14:59:05,695 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] pdev == 1 [2024-01-27 14:59:05,695 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] 0 <= pdev [2024-01-27 14:59:05,695 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] 1 <= pdev [2024-01-27 14:59:05,695 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] pdev <= 6 [2024-01-27 14:59:05,695 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] pdev <= 127 [2024-01-27 14:59:05,696 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-27 14:59:05,696 INFO L98 nessWitnessExtractor]: Location invariant before [L1726-L1726] pdev != 0 [2024-01-27 14:59:05,696 INFO L98 nessWitnessExtractor]: Location invariant before [L1730-L1730] (unsigned long )status == 0UL [2024-01-27 14:59:05,696 INFO L98 nessWitnessExtractor]: Location invariant before [L1717-L1717] pdev == 3 [2024-01-27 14:59:05,696 INFO L98 nessWitnessExtractor]: Location invariant before [L1729-L1729] (unsigned long )status == 0UL [2024-01-27 14:59:05,696 INFO L98 nessWitnessExtractor]: Location invariant before [L1731-L1731] (unsigned long )status == 0UL [2024-01-27 14:59:05,697 INFO L98 nessWitnessExtractor]: Location invariant after [L1720-L1732] (unsigned long )status == 0UL [2024-01-27 14:59:05,697 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] (unsigned long )arg == 0UL [2024-01-27 14:59:05,697 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev <= 127 [2024-01-27 14:59:05,697 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] ((pdev == 1 || pdev == 4) || pdev == 5) || pdev == 6 [2024-01-27 14:59:05,698 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev <= 6 [2024-01-27 14:59:05,698 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] pdev != 0 [2024-01-27 14:59:05,698 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] 0 <= pdev [2024-01-27 14:59:05,698 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] 1 <= pdev [2024-01-27 14:59:05,699 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] (unsigned long )arg == 0UL [2024-01-27 14:59:05,699 INFO L98 nessWitnessExtractor]: Location invariant before [L1718-L1718] pdev == 3 [2024-01-27 14:59:05,744 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 14:59:06,273 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] [2024-01-27 14:59:06,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:06,319 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 14:59:06,327 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned int __mode_t; with a witness entry [2024-01-27 14:59:06,360 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] [2024-01-27 14:59:06,360 WARN L424 MainDispatcher]: Unable to annotate void ldv_assert(int expression) { if (!expression) { ERROR: {reach_error();abort();}}; return; } with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-27 14:59:06,426 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 [2024-01-27 14:59:06,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 14:59:06,501 INFO L206 MainTranslator]: Completed translation [2024-01-27 14:59:06,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06 WrapperNode [2024-01-27 14:59:06,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 14:59:06,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:06,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 14:59:06,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 14:59:06,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,576 INFO L138 Inliner]: procedures = 483, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-01-27 14:59:06,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 14:59:06,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 14:59:06,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 14:59:06,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 14:59:06,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,590 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,609 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 3, 5, 4]. 36 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 1, 5, 0]. The 2 writes are split as follows [0, 1, 0, 1]. [2024-01-27 14:59:06,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 14:59:06,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 14:59:06,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 14:59:06,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 14:59:06,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (1/1) ... [2024-01-27 14:59:06,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 14:59:06,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 14:59:06,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-27 14:59:06,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-27 14:59:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-27 14:59:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 14:59:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-27 14:59:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 14:59:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 14:59:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 14:59:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-27 14:59:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 14:59:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 14:59:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-01-27 14:59:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-01-27 14:59:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-01-27 14:59:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-01-27 14:59:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 14:59:06,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 14:59:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 14:59:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-01-27 14:59:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-01-27 14:59:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-01-27 14:59:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-01-27 14:59:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 14:59:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-27 14:59:06,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-27 14:59:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 14:59:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 14:59:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 14:59:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-27 14:59:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 14:59:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 14:59:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 14:59:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-27 14:59:06,761 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 14:59:07,013 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 14:59:07,015 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 14:59:07,207 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 14:59:07,207 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 14:59:07,471 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 14:59:07,471 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 14:59:07,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:07 BoogieIcfgContainer [2024-01-27 14:59:07,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 14:59:07,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 14:59:07,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 14:59:07,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 14:59:07,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 02:59:04" (1/4) ... [2024-01-27 14:59:07,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc2dfa1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 02:59:07, skipping insertion in model container [2024-01-27 14:59:07,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:59:05" (2/4) ... [2024-01-27 14:59:07,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc2dfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:59:07, skipping insertion in model container [2024-01-27 14:59:07,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:59:06" (3/4) ... [2024-01-27 14:59:07,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc2dfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:59:07, skipping insertion in model container [2024-01-27 14:59:07,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:59:07" (4/4) ... [2024-01-27 14:59:07,481 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2024-01-27 14:59:07,498 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 14:59:07,498 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-01-27 14:59:07,498 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 14:59:07,562 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-27 14:59:07,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 107 transitions, 221 flow [2024-01-27 14:59:07,656 INFO L124 PetriNetUnfolderBase]: 4/138 cut-off events. [2024-01-27 14:59:07,656 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 14:59:07,659 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. [2024-01-27 14:59:07,659 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 107 transitions, 221 flow [2024-01-27 14:59:07,663 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 103 transitions, 212 flow [2024-01-27 14:59:07,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 14:59:07,680 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;@4f0fad93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 14:59:07,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2024-01-27 14:59:07,682 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 14:59:07,683 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 14:59:07,683 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 14:59:07,683 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:07,684 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 14:59:07,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:07,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:07,688 INFO L85 PathProgramCache]: Analyzing trace with hash 22491, now seen corresponding path program 1 times [2024-01-27 14:59:07,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:07,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99970473] [2024-01-27 14:59:07,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:07,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:07,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:07,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:07,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99970473] [2024-01-27 14:59:07,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99970473] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:07,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:07,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 14:59:07,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629619530] [2024-01-27 14:59:07,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:07,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:07,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:07,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:07,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:08,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 107 [2024-01-27 14:59:08,004 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) [2024-01-27 14:59:08,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:08,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 107 [2024-01-27 14:59:08,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:08,117 INFO L124 PetriNetUnfolderBase]: 93/278 cut-off events. [2024-01-27 14:59:08,117 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-27 14:59:08,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 278 events. 93/278 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 1703 event pairs, 88 based on Foata normal form. 2/160 useless extension candidates. Maximal degree in co-relation 437. Up to 224 conditions per place. [2024-01-27 14:59:08,120 INFO L140 encePairwiseOnDemand]: 67/107 looper letters, 42 selfloop transitions, 3 changer transitions 0/74 dead transitions. [2024-01-27 14:59:08,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 74 transitions, 244 flow [2024-01-27 14:59:08,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 185 transitions. [2024-01-27 14:59:08,129 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5763239875389408 [2024-01-27 14:59:08,130 INFO L175 Difference]: Start difference. First operand has 104 places, 103 transitions, 212 flow. Second operand 3 states and 185 transitions. [2024-01-27 14:59:08,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 74 transitions, 244 flow [2024-01-27 14:59:08,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 74 transitions, 240 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:08,134 INFO L231 Difference]: Finished difference. Result has 73 places, 69 transitions, 155 flow [2024-01-27 14:59:08,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=73, PETRI_TRANSITIONS=69} [2024-01-27 14:59:08,138 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -31 predicate places. [2024-01-27 14:59:08,138 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 69 transitions, 155 flow [2024-01-27 14:59:08,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:08,138 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:08,138 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 14:59:08,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 14:59:08,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:08,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:08,139 INFO L85 PathProgramCache]: Analyzing trace with hash 21637643, now seen corresponding path program 1 times [2024-01-27 14:59:08,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:08,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516671656] [2024-01-27 14:59:08,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:08,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:08,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:08,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516671656] [2024-01-27 14:59:08,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516671656] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:08,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:08,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:08,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90676055] [2024-01-27 14:59:08,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:08,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:08,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:08,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:08,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:08,220 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 107 [2024-01-27 14:59:08,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 69 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:08,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:08,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 107 [2024-01-27 14:59:08,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:08,330 INFO L124 PetriNetUnfolderBase]: 63/244 cut-off events. [2024-01-27 14:59:08,331 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-01-27 14:59:08,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 244 events. 63/244 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1292 event pairs, 35 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 407. Up to 146 conditions per place. [2024-01-27 14:59:08,333 INFO L140 encePairwiseOnDemand]: 94/107 looper letters, 45 selfloop transitions, 4 changer transitions 0/74 dead transitions. [2024-01-27 14:59:08,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 74 transitions, 265 flow [2024-01-27 14:59:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2024-01-27 14:59:08,335 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4517133956386293 [2024-01-27 14:59:08,336 INFO L175 Difference]: Start difference. First operand has 73 places, 69 transitions, 155 flow. Second operand 3 states and 145 transitions. [2024-01-27 14:59:08,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 74 transitions, 265 flow [2024-01-27 14:59:08,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 74 transitions, 259 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:08,339 INFO L231 Difference]: Finished difference. Result has 70 places, 67 transitions, 173 flow [2024-01-27 14:59:08,339 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=173, PETRI_PLACES=70, PETRI_TRANSITIONS=67} [2024-01-27 14:59:08,340 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -34 predicate places. [2024-01-27 14:59:08,340 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 67 transitions, 173 flow [2024-01-27 14:59:08,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:08,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:08,340 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-27 14:59:08,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 14:59:08,341 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:08,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:08,341 INFO L85 PathProgramCache]: Analyzing trace with hash -681039762, now seen corresponding path program 1 times [2024-01-27 14:59:08,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:08,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981211281] [2024-01-27 14:59:08,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:08,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:08,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:08,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981211281] [2024-01-27 14:59:08,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981211281] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:08,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:08,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:59:08,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228834501] [2024-01-27 14:59:08,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:08,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:08,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:08,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:08,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:08,479 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 107 [2024-01-27 14:59:08,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 67 transitions, 173 flow. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:08,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:08,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 107 [2024-01-27 14:59:08,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:08,585 INFO L124 PetriNetUnfolderBase]: 63/240 cut-off events. [2024-01-27 14:59:08,585 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-01-27 14:59:08,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 240 events. 63/240 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1265 event pairs, 35 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 185. Up to 146 conditions per place. [2024-01-27 14:59:08,587 INFO L140 encePairwiseOnDemand]: 97/107 looper letters, 44 selfloop transitions, 8 changer transitions 0/70 dead transitions. [2024-01-27 14:59:08,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 70 transitions, 283 flow [2024-01-27 14:59:08,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 14:59:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 14:59:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 169 transitions. [2024-01-27 14:59:08,592 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.31588785046728973 [2024-01-27 14:59:08,592 INFO L175 Difference]: Start difference. First operand has 70 places, 67 transitions, 173 flow. Second operand 5 states and 169 transitions. [2024-01-27 14:59:08,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 70 transitions, 283 flow [2024-01-27 14:59:08,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 70 transitions, 277 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-01-27 14:59:08,595 INFO L231 Difference]: Finished difference. Result has 69 places, 63 transitions, 175 flow [2024-01-27 14:59:08,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=175, PETRI_PLACES=69, PETRI_TRANSITIONS=63} [2024-01-27 14:59:08,597 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -35 predicate places. [2024-01-27 14:59:08,597 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 63 transitions, 175 flow [2024-01-27 14:59:08,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:08,597 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:08,597 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:08,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 14:59:08,598 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:08,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:08,599 INFO L85 PathProgramCache]: Analyzing trace with hash 561425657, now seen corresponding path program 1 times [2024-01-27 14:59:08,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:08,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485043279] [2024-01-27 14:59:08,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:08,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:08,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:08,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485043279] [2024-01-27 14:59:08,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485043279] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:08,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:08,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:08,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258208919] [2024-01-27 14:59:08,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:08,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:08,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:08,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:08,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:08,664 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 107 [2024-01-27 14:59:08,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 63 transitions, 175 flow. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:08,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:08,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 107 [2024-01-27 14:59:08,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:08,733 INFO L124 PetriNetUnfolderBase]: 63/210 cut-off events. [2024-01-27 14:59:08,733 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-01-27 14:59:08,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 210 events. 63/210 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1078 event pairs, 60 based on Foata normal form. 1/155 useless extension candidates. Maximal degree in co-relation 288. Up to 165 conditions per place. [2024-01-27 14:59:08,737 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 44 selfloop transitions, 1 changer transitions 2/65 dead transitions. [2024-01-27 14:59:08,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 65 transitions, 275 flow [2024-01-27 14:59:08,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 140 transitions. [2024-01-27 14:59:08,738 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43613707165109034 [2024-01-27 14:59:08,738 INFO L175 Difference]: Start difference. First operand has 69 places, 63 transitions, 175 flow. Second operand 3 states and 140 transitions. [2024-01-27 14:59:08,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 65 transitions, 275 flow [2024-01-27 14:59:08,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 65 transitions, 261 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-27 14:59:08,741 INFO L231 Difference]: Finished difference. Result has 65 places, 60 transitions, 162 flow [2024-01-27 14:59:08,741 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=65, PETRI_TRANSITIONS=60} [2024-01-27 14:59:08,742 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -39 predicate places. [2024-01-27 14:59:08,742 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 60 transitions, 162 flow [2024-01-27 14:59:08,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:08,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:08,743 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:08,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 14:59:08,743 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:08,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:08,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1636967270, now seen corresponding path program 1 times [2024-01-27 14:59:08,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:08,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107011850] [2024-01-27 14:59:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:08,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:08,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:08,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107011850] [2024-01-27 14:59:08,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107011850] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:08,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:08,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 14:59:08,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093983899] [2024-01-27 14:59:08,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:08,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:08,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:08,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:08,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:08,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 107 [2024-01-27 14:59:08,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 60 transitions, 162 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:08,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:08,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 107 [2024-01-27 14:59:08,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:09,005 INFO L124 PetriNetUnfolderBase]: 63/235 cut-off events. [2024-01-27 14:59:09,005 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-01-27 14:59:09,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 235 events. 63/235 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1047 event pairs, 6 based on Foata normal form. 46/242 useless extension candidates. Maximal degree in co-relation 445. Up to 144 conditions per place. [2024-01-27 14:59:09,006 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 48 selfloop transitions, 2 changer transitions 6/70 dead transitions. [2024-01-27 14:59:09,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 70 transitions, 299 flow [2024-01-27 14:59:09,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:59:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:59:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 175 transitions. [2024-01-27 14:59:09,007 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4088785046728972 [2024-01-27 14:59:09,007 INFO L175 Difference]: Start difference. First operand has 65 places, 60 transitions, 162 flow. Second operand 4 states and 175 transitions. [2024-01-27 14:59:09,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 70 transitions, 299 flow [2024-01-27 14:59:09,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 70 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 14:59:09,009 INFO L231 Difference]: Finished difference. Result has 62 places, 53 transitions, 151 flow [2024-01-27 14:59:09,009 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=151, PETRI_PLACES=62, PETRI_TRANSITIONS=53} [2024-01-27 14:59:09,010 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -42 predicate places. [2024-01-27 14:59:09,010 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 53 transitions, 151 flow [2024-01-27 14:59:09,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-27 14:59:09,010 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:09,010 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:09,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 14:59:09,011 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:09,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:09,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1918501461, now seen corresponding path program 1 times [2024-01-27 14:59:09,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:09,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851857221] [2024-01-27 14:59:09,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:09,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:09,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:09,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851857221] [2024-01-27 14:59:09,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851857221] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:09,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:09,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:09,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810335640] [2024-01-27 14:59:09,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:09,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:09,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:09,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:09,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:09,057 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-27 14:59:09,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 53 transitions, 151 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) [2024-01-27 14:59:09,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:09,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-27 14:59:09,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:09,107 INFO L124 PetriNetUnfolderBase]: 32/132 cut-off events. [2024-01-27 14:59:09,107 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-01-27 14:59:09,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 132 events. 32/132 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 491 event pairs, 22 based on Foata normal form. 7/124 useless extension candidates. Maximal degree in co-relation 226. Up to 87 conditions per place. [2024-01-27 14:59:09,108 INFO L140 encePairwiseOnDemand]: 97/107 looper letters, 39 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2024-01-27 14:59:09,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 58 transitions, 240 flow [2024-01-27 14:59:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:09,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2024-01-27 14:59:09,109 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46105919003115264 [2024-01-27 14:59:09,109 INFO L175 Difference]: Start difference. First operand has 62 places, 53 transitions, 151 flow. Second operand 3 states and 148 transitions. [2024-01-27 14:59:09,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 58 transitions, 240 flow [2024-01-27 14:59:09,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 58 transitions, 235 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:09,111 INFO L231 Difference]: Finished difference. Result has 59 places, 52 transitions, 164 flow [2024-01-27 14:59:09,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=55, 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=164, PETRI_PLACES=59, PETRI_TRANSITIONS=52} [2024-01-27 14:59:09,112 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -45 predicate places. [2024-01-27 14:59:09,112 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 52 transitions, 164 flow [2024-01-27 14:59:09,112 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) [2024-01-27 14:59:09,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:09,112 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:09,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 14:59:09,112 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:09,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:09,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1796182144, now seen corresponding path program 1 times [2024-01-27 14:59:09,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:09,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965805894] [2024-01-27 14:59:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:09,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:09,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:09,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965805894] [2024-01-27 14:59:09,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965805894] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:09,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:09,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 14:59:09,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81946860] [2024-01-27 14:59:09,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:09,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 14:59:09,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:09,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 14:59:09,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 14:59:09,157 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 107 [2024-01-27 14:59:09,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 52 transitions, 164 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) [2024-01-27 14:59:09,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:09,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 107 [2024-01-27 14:59:09,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:09,214 INFO L124 PetriNetUnfolderBase]: 32/130 cut-off events. [2024-01-27 14:59:09,215 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-01-27 14:59:09,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 130 events. 32/130 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 478 event pairs, 28 based on Foata normal form. 1/121 useless extension candidates. Maximal degree in co-relation 281. Up to 104 conditions per place. [2024-01-27 14:59:09,215 INFO L140 encePairwiseOnDemand]: 104/107 looper letters, 32 selfloop transitions, 0 changer transitions 8/53 dead transitions. [2024-01-27 14:59:09,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 53 transitions, 242 flow [2024-01-27 14:59:09,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 14:59:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 14:59:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 171 transitions. [2024-01-27 14:59:09,217 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39953271028037385 [2024-01-27 14:59:09,217 INFO L175 Difference]: Start difference. First operand has 59 places, 52 transitions, 164 flow. Second operand 4 states and 171 transitions. [2024-01-27 14:59:09,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 53 transitions, 242 flow [2024-01-27 14:59:09,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 53 transitions, 222 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-01-27 14:59:09,218 INFO L231 Difference]: Finished difference. Result has 60 places, 45 transitions, 131 flow [2024-01-27 14:59:09,219 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} [2024-01-27 14:59:09,219 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -44 predicate places. [2024-01-27 14:59:09,219 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 45 transitions, 131 flow [2024-01-27 14:59:09,219 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) [2024-01-27 14:59:09,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:09,220 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] [2024-01-27 14:59:09,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 14:59:09,220 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:09,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:09,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1563607334, now seen corresponding path program 1 times [2024-01-27 14:59:09,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:09,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451098196] [2024-01-27 14:59:09,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:09,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:09,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:09,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451098196] [2024-01-27 14:59:09,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451098196] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:09,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:09,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:09,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307513589] [2024-01-27 14:59:09,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:09,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:09,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:09,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:09,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:09,296 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-27 14:59:09,296 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) [2024-01-27 14:59:09,296 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:09,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-27 14:59:09,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:09,352 INFO L124 PetriNetUnfolderBase]: 25/115 cut-off events. [2024-01-27 14:59:09,352 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-01-27 14:59:09,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 115 events. 25/115 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 378 event pairs, 11 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 247. Up to 45 conditions per place. [2024-01-27 14:59:09,353 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 33 selfloop transitions, 4 changer transitions 0/50 dead transitions. [2024-01-27 14:59:09,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 50 transitions, 214 flow [2024-01-27 14:59:09,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:09,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 138 transitions. [2024-01-27 14:59:09,354 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42990654205607476 [2024-01-27 14:59:09,354 INFO L175 Difference]: Start difference. First operand has 60 places, 45 transitions, 131 flow. Second operand 3 states and 138 transitions. [2024-01-27 14:59:09,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 50 transitions, 214 flow [2024-01-27 14:59:09,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 50 transitions, 206 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:09,355 INFO L231 Difference]: Finished difference. Result has 49 places, 42 transitions, 123 flow [2024-01-27 14:59:09,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=123, PETRI_PLACES=49, PETRI_TRANSITIONS=42} [2024-01-27 14:59:09,375 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -55 predicate places. [2024-01-27 14:59:09,375 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 123 flow [2024-01-27 14:59:09,375 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) [2024-01-27 14:59:09,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:09,375 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] [2024-01-27 14:59:09,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 14:59:09,376 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:09,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:09,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1115714765, now seen corresponding path program 1 times [2024-01-27 14:59:09,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:09,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073983672] [2024-01-27 14:59:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:09,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 14:59:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 14:59:09,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 14:59:09,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073983672] [2024-01-27 14:59:09,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073983672] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 14:59:09,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 14:59:09,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 14:59:09,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693166447] [2024-01-27 14:59:09,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 14:59:09,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 14:59:09,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 14:59:09,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 14:59:09,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 14:59:09,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 107 [2024-01-27 14:59:09,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 123 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) [2024-01-27 14:59:09,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 14:59:09,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 107 [2024-01-27 14:59:09,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 14:59:09,488 INFO L124 PetriNetUnfolderBase]: 21/105 cut-off events. [2024-01-27 14:59:09,488 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-01-27 14:59:09,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 105 events. 21/105 cut-off events. For 35/35 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 221. Up to 42 conditions per place. [2024-01-27 14:59:09,488 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 31 selfloop transitions, 4 changer transitions 0/48 dead transitions. [2024-01-27 14:59:09,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 48 transitions, 202 flow [2024-01-27 14:59:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 14:59:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 14:59:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 135 transitions. [2024-01-27 14:59:09,489 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4205607476635514 [2024-01-27 14:59:09,489 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 123 flow. Second operand 3 states and 135 transitions. [2024-01-27 14:59:09,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 48 transitions, 202 flow [2024-01-27 14:59:09,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 48 transitions, 193 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-01-27 14:59:09,491 INFO L231 Difference]: Finished difference. Result has 47 places, 40 transitions, 114 flow [2024-01-27 14:59:09,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=45, 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=114, PETRI_PLACES=47, PETRI_TRANSITIONS=40} [2024-01-27 14:59:09,492 INFO L281 CegarLoopForPetriNet]: 104 programPoint places, -57 predicate places. [2024-01-27 14:59:09,492 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 114 flow [2024-01-27 14:59:09,492 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) [2024-01-27 14:59:09,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 14:59:09,492 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] [2024-01-27 14:59:09,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-27 14:59:09,492 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 74 more)] === [2024-01-27 14:59:09,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 14:59:09,493 INFO L85 PathProgramCache]: Analyzing trace with hash 220882508, now seen corresponding path program 1 times [2024-01-27 14:59:09,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 14:59:09,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068068954] [2024-01-27 14:59:09,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 14:59:09,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 14:59:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:09,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-27 14:59:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-27 14:59:09,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-27 14:59:09,552 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-27 14:59:09,553 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (76 of 77 remaining) [2024-01-27 14:59:09,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 77 remaining) [2024-01-27 14:59:09,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 77 remaining) [2024-01-27 14:59:09,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 77 remaining) [2024-01-27 14:59:09,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 77 remaining) [2024-01-27 14:59:09,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 77 remaining) [2024-01-27 14:59:09,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 77 remaining) [2024-01-27 14:59:09,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 77 remaining) [2024-01-27 14:59:09,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 77 remaining) [2024-01-27 14:59:09,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 77 remaining) [2024-01-27 14:59:09,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (54 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (49 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 77 remaining) [2024-01-27 14:59:09,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 77 remaining) [2024-01-27 14:59:09,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (19 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 77 remaining) [2024-01-27 14:59:09,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 77 remaining) [2024-01-27 14:59:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 77 remaining) [2024-01-27 14:59:09,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-27 14:59:09,562 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 14:59:09,567 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 14:59:09,567 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 14:59:09,600 INFO L503 ceAbstractionStarter]: Automizer considered 54 witness invariants [2024-01-27 14:59:09,600 INFO L504 ceAbstractionStarter]: WitnessConsidered=54 [2024-01-27 14:59:09,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:59:09 BasicIcfg [2024-01-27 14:59:09,602 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 14:59:09,602 INFO L158 Benchmark]: Toolchain (without parser) took 4025.26ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 147.6MB in the beginning and 153.8MB in the end (delta: -6.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-01-27 14:59:09,602 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:09,602 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 14:59:09,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 922.48ms. Allocated memory is still 176.2MB. Free memory was 147.4MB in the beginning and 85.2MB in the end (delta: 62.2MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2024-01-27 14:59:09,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.00ms. Allocated memory is still 176.2MB. Free memory was 84.9MB in the beginning and 81.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-27 14:59:09,603 INFO L158 Benchmark]: Boogie Preprocessor took 90.06ms. Allocated memory is still 176.2MB. Free memory was 81.8MB in the beginning and 143.3MB in the end (delta: -61.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-01-27 14:59:09,603 INFO L158 Benchmark]: RCFGBuilder took 804.56ms. Allocated memory is still 176.2MB. Free memory was 143.3MB in the beginning and 123.6MB in the end (delta: 19.7MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2024-01-27 14:59:09,603 INFO L158 Benchmark]: TraceAbstraction took 2127.40ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 122.6MB in the beginning and 153.8MB in the end (delta: -31.2MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-01-27 14:59:09,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 922.48ms. Allocated memory is still 176.2MB. Free memory was 147.4MB in the beginning and 85.2MB in the end (delta: 62.2MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.00ms. Allocated memory is still 176.2MB. Free memory was 84.9MB in the beginning and 81.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.06ms. Allocated memory is still 176.2MB. Free memory was 81.8MB in the beginning and 143.3MB in the end (delta: -61.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * RCFGBuilder took 804.56ms. Allocated memory is still 176.2MB. Free memory was 143.3MB in the beginning and 123.6MB in the end (delta: 19.7MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2127.40ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 122.6MB in the beginning and 153.8MB in the end (delta: -31.2MB). Peak memory consumption was 32.8MB. 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}] [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[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [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[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1723] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1723] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1723] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1723] 0 pdev = 4 [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,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1724] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1724] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1724] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [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}] [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=4, t1={3:0}] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [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[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1702] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [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[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1702] 1 pdev = 6 [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[pdev]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[127]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[0]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[pdev]]]] [L1703] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[1]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[4]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[5]]],BinaryExpression[COMPEQ,IdentifierExpression[pdev],IntegerLiteral[6]]]]] VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, t1={3:0}] [L1726] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPNEQ,IdentifierExpression[pdev],IntegerLiteral[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[127]]]] [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] 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: 2.0s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 341 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 841 IncrementalHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 33 mSDtfsCounter, 841 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=212occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-27 14:59:09,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE