./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/01b_inc-pthread.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/01b_inc-pthread.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27552612 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/01b_inc-pthread.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/01b_inc-pthread.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-2755261-m [2024-01-26 15:10:38,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:10:38,501 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:10:38,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:10:38,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:10:38,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:10:38,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:10:38,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:10:38,536 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:10:38,540 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:10:38,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:10:38,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:10:38,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:10:38,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:10:38,543 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:10:38,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:10:38,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:10:38,544 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:10:38,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:10:38,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:10:38,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:10:38,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:10:38,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:10:38,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:10:38,546 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:10:38,546 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:10:38,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:10:38,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:10:38,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:10:38,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:10:38,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:10:38,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:10:38,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:10:38,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:10:38,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:10:38,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:10:38,550 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:10:38,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:10:38,551 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:10:38,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:10:38,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:10:38,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:10:38,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:10:38,552 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:10:38,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:10:38,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:10:38,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:10:38,850 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:10:38,851 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:10:38,852 INFO L431 ainManager$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/01b_inc-pthread.yml/witness.yml [2024-01-26 15:10:38,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:10:38,999 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:10:39,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01b_inc-pthread.i [2024-01-26 15:10:40,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:10:40,485 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:10:40,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01b_inc-pthread.i [2024-01-26 15:10:40,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a019fb4c4/fef1715f9e7e4cffa4b197e394469b70/FLAG916b7bf58 [2024-01-26 15:10:40,520 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a019fb4c4/fef1715f9e7e4cffa4b197e394469b70 [2024-01-26 15:10:40,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:10:40,522 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:10:40,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:10:40,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:10:40,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:10:40,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:10:38" (1/2) ... [2024-01-26 15:10:40,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4290a29f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:10:40, skipping insertion in model container [2024-01-26 15:10:40,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:10:38" (1/2) ... [2024-01-26 15:10:40,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bd6bab9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:10:40, skipping insertion in model container [2024-01-26 15:10:40,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:10:40" (2/2) ... [2024-01-26 15:10:40,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4290a29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:40, skipping insertion in model container [2024-01-26 15:10:40,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:10:40" (2/2) ... [2024-01-26 15:10:40,557 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:10:40,643 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:10:40,645 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (unsigned long )arg == 0UL [2024-01-26 15:10:40,645 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] v <= 4294967294U [2024-01-26 15:10:40,646 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] v != 4294967295U [2024-01-26 15:10:40,646 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] v != 4294967295U [2024-01-26 15:10:40,646 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (unsigned long )arg == 0UL [2024-01-26 15:10:40,647 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] v <= 4294967294U [2024-01-26 15:10:40,647 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (unsigned int )value <= 4294967294U [2024-01-26 15:10:40,647 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value != 0U [2024-01-26 15:10:40,647 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value <= 4294967294U [2024-01-26 15:10:40,647 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-26 15:10:40,647 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-26 15:10:40,648 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v != 4294967295U [2024-01-26 15:10:40,648 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] 1U <= (unsigned int )value [2024-01-26 15:10:40,648 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value != 4294967295U [2024-01-26 15:10:40,648 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value <= 4294967294U [2024-01-26 15:10:40,648 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value != 4294967295U [2024-01-26 15:10:40,648 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-26 15:10:40,649 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-26 15:10:40,649 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-26 15:10:40,649 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-26 15:10:40,649 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v != 4294967295U [2024-01-26 15:10:40,650 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v != 4294967295U [2024-01-26 15:10:40,650 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-26 15:10:40,650 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] (unsigned int )value != 0U [2024-01-26 15:10:40,650 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] v != 4294967295U [2024-01-26 15:10:40,650 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] (unsigned long )arg == 0UL [2024-01-26 15:10:40,650 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] v <= 4294967294U [2024-01-26 15:10:40,650 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] 1U <= (unsigned int )value [2024-01-26 15:10:40,651 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] v != 4294967295U [2024-01-26 15:10:40,651 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] (unsigned long )arg == 0UL [2024-01-26 15:10:40,651 INFO L98 nessWitnessExtractor]: Location invariant before [L702-L702] v <= 4294967294U [2024-01-26 15:10:40,651 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] v != 4294967295U [2024-01-26 15:10:40,651 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] v <= 4294967294U [2024-01-26 15:10:40,651 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] (unsigned int )value != 0U [2024-01-26 15:10:40,651 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] (unsigned long )arg == 0UL [2024-01-26 15:10:40,652 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] 1U <= (unsigned int )value [2024-01-26 15:10:40,652 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] v <= 4294967294U [2024-01-26 15:10:40,652 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (unsigned long )arg == 0UL [2024-01-26 15:10:40,653 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] v != 4294967295U [2024-01-26 15:10:40,653 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (unsigned long )arg == 0UL [2024-01-26 15:10:40,654 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] (unsigned int )value <= 4294967294U [2024-01-26 15:10:40,654 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] v != 4294967295U [2024-01-26 15:10:40,654 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] v <= 4294967294U [2024-01-26 15:10:40,654 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] (unsigned long )arg == 0UL [2024-01-26 15:10:40,654 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] v <= 4294967294U [2024-01-26 15:10:40,654 INFO L98 nessWitnessExtractor]: Location invariant before [L699-L699] v != 4294967295U [2024-01-26 15:10:40,655 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] 0U == v [2024-01-26 15:10:40,655 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] (unsigned long )arg == 0UL [2024-01-26 15:10:40,655 INFO L98 nessWitnessExtractor]: Location invariant before [L694-L694] v == 0U [2024-01-26 15:10:40,655 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value != 0U [2024-01-26 15:10:40,655 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-26 15:10:40,656 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v != 4294967295U [2024-01-26 15:10:40,656 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value != 4294967295U [2024-01-26 15:10:40,656 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-26 15:10:40,656 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-26 15:10:40,657 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-26 15:10:40,657 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value <= 4294967294U [2024-01-26 15:10:40,658 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value != 4294967295U [2024-01-26 15:10:40,658 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v != 4294967295U [2024-01-26 15:10:40,658 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v != 4294967295U [2024-01-26 15:10:40,658 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-26 15:10:40,659 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] 1U <= (unsigned int )value [2024-01-26 15:10:40,659 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value <= 4294967294U [2024-01-26 15:10:40,659 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-26 15:10:40,659 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L703] (unsigned long )arg == 0UL [2024-01-26 15:10:40,659 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L703] 0U == v [2024-01-26 15:10:40,659 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L703] v == 0U [2024-01-26 15:10:40,659 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-26 15:10:40,660 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-26 15:10:40,660 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v != 4294967295U [2024-01-26 15:10:40,660 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v != 4294967295U [2024-01-26 15:10:40,660 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-26 15:10:40,660 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-26 15:10:40,660 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value != 4294967295U [2024-01-26 15:10:40,660 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v != 4294967295U [2024-01-26 15:10:40,661 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value <= 4294967294U [2024-01-26 15:10:40,661 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value != 0U [2024-01-26 15:10:40,661 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] v <= 4294967294U [2024-01-26 15:10:40,661 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value <= 4294967294U [2024-01-26 15:10:40,661 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned int )value != 4294967295U [2024-01-26 15:10:40,661 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] (unsigned long )arg == 0UL [2024-01-26 15:10:40,661 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] 1U <= (unsigned int )value [2024-01-26 15:10:40,662 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned int )value == 4294967295U [2024-01-26 15:10:40,662 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-26 15:10:40,662 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] 0U == v [2024-01-26 15:10:40,662 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] v == 0U [2024-01-26 15:10:40,662 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] v == 0U [2024-01-26 15:10:40,662 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (unsigned int )value <= 4294967294U [2024-01-26 15:10:40,662 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] 0U == v [2024-01-26 15:10:40,663 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (unsigned int )value != 4294967295U [2024-01-26 15:10:40,663 INFO L98 nessWitnessExtractor]: Location invariant before [L696-L696] (unsigned long )arg == 0UL [2024-01-26 15:10:40,663 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (unsigned long )arg == 0UL [2024-01-26 15:10:40,663 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] 0U == v [2024-01-26 15:10:40,663 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] v == 0U [2024-01-26 15:10:40,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:10:40,987 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01b_inc-pthread.i[30747,30760] [2024-01-26 15:10:40,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:10:41,019 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:10:41,117 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01b_inc-pthread.i[30747,30760] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:10:41,120 WARN L424 MainDispatcher]: Unable to annotate ; 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 [2024-01-26 15:10:41,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:10:41,169 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:10:41,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41 WrapperNode [2024-01-26 15:10:41,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:10:41,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:10:41,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:10:41,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:10:41,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,205 INFO L138 Inliner]: procedures = 164, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-01-26 15:10:41,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:10:41,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:10:41,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:10:41,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:10:41,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,232 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 5, 1]. 63 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-01-26 15:10:41,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:10:41,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:10:41,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:10:41,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:10:41,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (1/1) ... [2024-01-26 15:10:41,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:10:41,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:10:41,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-26 15:10:41,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-26 15:10:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-01-26 15:10:41,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-01-26 15:10:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:10:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:10:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:10:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-26 15:10:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 15:10:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:10:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:10:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:10:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:10:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:10:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:10:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 15:10:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-26 15:10:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:10:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:10:41,351 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 15:10:41,505 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:10:41,507 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:10:41,851 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:10:41,851 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:10:42,099 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:10:42,100 INFO L320 CfgBuilder]: Removed 1 assume(true) statements. [2024-01-26 15:10:42,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:10:42 BoogieIcfgContainer [2024-01-26 15:10:42,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:10:42,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:10:42,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:10:42,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:10:42,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:10:38" (1/4) ... [2024-01-26 15:10:42,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51749ffa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:10:42, skipping insertion in model container [2024-01-26 15:10:42,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:10:40" (2/4) ... [2024-01-26 15:10:42,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51749ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:10:42, skipping insertion in model container [2024-01-26 15:10:42,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:10:41" (3/4) ... [2024-01-26 15:10:42,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51749ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:10:42, skipping insertion in model container [2024-01-26 15:10:42,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:10:42" (4/4) ... [2024-01-26 15:10:42,111 INFO L112 eAbstractionObserver]: Analyzing ICFG 01b_inc-pthread.i [2024-01-26 15:10:42,130 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:10:42,130 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-01-26 15:10:42,130 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:10:42,238 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-26 15:10:42,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 123 places, 121 transitions, 246 flow [2024-01-26 15:10:42,328 INFO L124 PetriNetUnfolderBase]: 1/123 cut-off events. [2024-01-26 15:10:42,329 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:10:42,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 123 events. 1/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 196 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 118. Up to 2 conditions per place. [2024-01-26 15:10:42,334 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 121 transitions, 246 flow [2024-01-26 15:10:42,339 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 121 transitions, 246 flow [2024-01-26 15:10:42,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:10:42,363 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;@565ba70e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:10:42,364 INFO L358 AbstractCegarLoop]: Starting to check reachability of 117 error locations. [2024-01-26 15:10:42,368 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:10:42,368 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-01-26 15:10:42,374 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:10:42,374 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:10:42,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-26 15:10:42,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 114 more)] === [2024-01-26 15:10:42,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:10:42,381 INFO L85 PathProgramCache]: Analyzing trace with hash 365799959, now seen corresponding path program 1 times [2024-01-26 15:10:42,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:10:42,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900465616] [2024-01-26 15:10:42,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:10:42,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:10:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:10:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:10:42,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:10:42,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900465616] [2024-01-26 15:10:42,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900465616] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:10:42,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:10:42,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:10:42,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770815001] [2024-01-26 15:10:42,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:10:42,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:10:42,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:10:42,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:10:42,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:10:42,904 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 121 [2024-01-26 15:10:42,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 121 transitions, 246 flow. Second operand has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:42,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:10:42,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 121 [2024-01-26 15:10:42,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:10:43,057 INFO L124 PetriNetUnfolderBase]: 25/307 cut-off events. [2024-01-26 15:10:43,058 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:10:43,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 307 events. 25/307 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1208 event pairs, 0 based on Foata normal form. 33/238 useless extension candidates. Maximal degree in co-relation 363. Up to 58 conditions per place. [2024-01-26 15:10:43,063 INFO L140 encePairwiseOnDemand]: 96/121 looper letters, 17 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2024-01-26 15:10:43,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 101 transitions, 244 flow [2024-01-26 15:10:43,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:10:43,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:10:43,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 372 transitions. [2024-01-26 15:10:43,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.768595041322314 [2024-01-26 15:10:43,084 INFO L175 Difference]: Start difference. First operand has 123 places, 121 transitions, 246 flow. Second operand 4 states and 372 transitions. [2024-01-26 15:10:43,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 101 transitions, 244 flow [2024-01-26 15:10:43,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 244 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-26 15:10:43,093 INFO L231 Difference]: Finished difference. Result has 103 places, 98 transitions, 204 flow [2024-01-26 15:10:43,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=204, PETRI_PLACES=103, PETRI_TRANSITIONS=98} [2024-01-26 15:10:43,099 INFO L281 CegarLoopForPetriNet]: 123 programPoint places, -20 predicate places. [2024-01-26 15:10:43,099 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 98 transitions, 204 flow [2024-01-26 15:10:43,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:43,100 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:10:43,100 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-26 15:10:43,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 15:10:43,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 114 more)] === [2024-01-26 15:10:43,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:10:43,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1545102671, now seen corresponding path program 1 times [2024-01-26 15:10:43,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:10:43,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538344780] [2024-01-26 15:10:43,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:10:43,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:10:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:10:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:10:43,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:10:43,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538344780] [2024-01-26 15:10:43,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538344780] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:10:43,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:10:43,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:10:43,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579140520] [2024-01-26 15:10:43,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:10:43,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:10:43,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:10:43,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:10:43,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:10:43,232 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 121 [2024-01-26 15:10:43,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 98 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:43,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:10:43,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 121 [2024-01-26 15:10:43,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:10:43,309 INFO L124 PetriNetUnfolderBase]: 46/247 cut-off events. [2024-01-26 15:10:43,309 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-26 15:10:43,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 247 events. 46/247 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 859 event pairs, 38 based on Foata normal form. 24/216 useless extension candidates. Maximal degree in co-relation 360. Up to 101 conditions per place. [2024-01-26 15:10:43,314 INFO L140 encePairwiseOnDemand]: 109/121 looper letters, 27 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-01-26 15:10:43,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 90 transitions, 246 flow [2024-01-26 15:10:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:10:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:10:43,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2024-01-26 15:10:43,317 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7107438016528925 [2024-01-26 15:10:43,317 INFO L175 Difference]: Start difference. First operand has 103 places, 98 transitions, 204 flow. Second operand 3 states and 258 transitions. [2024-01-26 15:10:43,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 90 transitions, 246 flow [2024-01-26 15:10:43,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 90 transitions, 243 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:10:43,321 INFO L231 Difference]: Finished difference. Result has 93 places, 88 transitions, 185 flow [2024-01-26 15:10:43,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=93, PETRI_TRANSITIONS=88} [2024-01-26 15:10:43,322 INFO L281 CegarLoopForPetriNet]: 123 programPoint places, -30 predicate places. [2024-01-26 15:10:43,322 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 88 transitions, 185 flow [2024-01-26 15:10:43,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:43,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:10:43,323 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2024-01-26 15:10:43,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 15:10:43,323 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 114 more)] === [2024-01-26 15:10:43,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:10:43,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1545135450, now seen corresponding path program 1 times [2024-01-26 15:10:43,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:10:43,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099698820] [2024-01-26 15:10:43,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:10:43,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:10:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:10:43,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-26 15:10:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:10:43,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-26 15:10:43,360 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-26 15:10:43,361 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (116 of 117 remaining) [2024-01-26 15:10:43,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 117 remaining) [2024-01-26 15:10:43,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 117 remaining) [2024-01-26 15:10:43,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 117 remaining) [2024-01-26 15:10:43,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 117 remaining) [2024-01-26 15:10:43,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 117 remaining) [2024-01-26 15:10:43,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 117 remaining) [2024-01-26 15:10:43,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 117 remaining) [2024-01-26 15:10:43,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 117 remaining) [2024-01-26 15:10:43,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 117 remaining) [2024-01-26 15:10:43,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 117 remaining) [2024-01-26 15:10:43,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 117 remaining) [2024-01-26 15:10:43,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 117 remaining) [2024-01-26 15:10:43,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 117 remaining) [2024-01-26 15:10:43,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 117 remaining) [2024-01-26 15:10:43,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 117 remaining) [2024-01-26 15:10:43,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 117 remaining) [2024-01-26 15:10:43,366 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 117 remaining) [2024-01-26 15:10:43,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 117 remaining) [2024-01-26 15:10:43,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 117 remaining) [2024-01-26 15:10:43,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 117 remaining) [2024-01-26 15:10:43,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 117 remaining) [2024-01-26 15:10:43,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 117 remaining) [2024-01-26 15:10:43,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 117 remaining) [2024-01-26 15:10:43,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 117 remaining) [2024-01-26 15:10:43,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 117 remaining) [2024-01-26 15:10:43,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 117 remaining) [2024-01-26 15:10:43,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 117 remaining) [2024-01-26 15:10:43,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 117 remaining) [2024-01-26 15:10:43,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 117 remaining) [2024-01-26 15:10:43,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 117 remaining) [2024-01-26 15:10:43,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 117 remaining) [2024-01-26 15:10:43,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 117 remaining) [2024-01-26 15:10:43,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 117 remaining) [2024-01-26 15:10:43,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 117 remaining) [2024-01-26 15:10:43,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 117 remaining) [2024-01-26 15:10:43,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 117 remaining) [2024-01-26 15:10:43,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 117 remaining) [2024-01-26 15:10:43,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 117 remaining) [2024-01-26 15:10:43,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 117 remaining) [2024-01-26 15:10:43,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 117 remaining) [2024-01-26 15:10:43,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 117 remaining) [2024-01-26 15:10:43,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 117 remaining) [2024-01-26 15:10:43,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 117 remaining) [2024-01-26 15:10:43,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 117 remaining) [2024-01-26 15:10:43,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 117 remaining) [2024-01-26 15:10:43,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 117 remaining) [2024-01-26 15:10:43,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 117 remaining) [2024-01-26 15:10:43,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 117 remaining) [2024-01-26 15:10:43,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 117 remaining) [2024-01-26 15:10:43,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONERROR_FUNCTION (66 of 117 remaining) [2024-01-26 15:10:43,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 117 remaining) [2024-01-26 15:10:43,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 117 remaining) [2024-01-26 15:10:43,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 117 remaining) [2024-01-26 15:10:43,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 117 remaining) [2024-01-26 15:10:43,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 117 remaining) [2024-01-26 15:10:43,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 117 remaining) [2024-01-26 15:10:43,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 117 remaining) [2024-01-26 15:10:43,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 117 remaining) [2024-01-26 15:10:43,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 117 remaining) [2024-01-26 15:10:43,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 117 remaining) [2024-01-26 15:10:43,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 117 remaining) [2024-01-26 15:10:43,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 117 remaining) [2024-01-26 15:10:43,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 117 remaining) [2024-01-26 15:10:43,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 117 remaining) [2024-01-26 15:10:43,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 117 remaining) [2024-01-26 15:10:43,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 117 remaining) [2024-01-26 15:10:43,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 117 remaining) [2024-01-26 15:10:43,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 117 remaining) [2024-01-26 15:10:43,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 117 remaining) [2024-01-26 15:10:43,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 117 remaining) [2024-01-26 15:10:43,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 117 remaining) [2024-01-26 15:10:43,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 117 remaining) [2024-01-26 15:10:43,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 117 remaining) [2024-01-26 15:10:43,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 117 remaining) [2024-01-26 15:10:43,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 117 remaining) [2024-01-26 15:10:43,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 117 remaining) [2024-01-26 15:10:43,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 117 remaining) [2024-01-26 15:10:43,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 117 remaining) [2024-01-26 15:10:43,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 117 remaining) [2024-01-26 15:10:43,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 117 remaining) [2024-01-26 15:10:43,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 117 remaining) [2024-01-26 15:10:43,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 117 remaining) [2024-01-26 15:10:43,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 117 remaining) [2024-01-26 15:10:43,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 117 remaining) [2024-01-26 15:10:43,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 117 remaining) [2024-01-26 15:10:43,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 117 remaining) [2024-01-26 15:10:43,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 117 remaining) [2024-01-26 15:10:43,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 117 remaining) [2024-01-26 15:10:43,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 117 remaining) [2024-01-26 15:10:43,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 117 remaining) [2024-01-26 15:10:43,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 117 remaining) [2024-01-26 15:10:43,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 117 remaining) [2024-01-26 15:10:43,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 117 remaining) [2024-01-26 15:10:43,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 117 remaining) [2024-01-26 15:10:43,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 117 remaining) [2024-01-26 15:10:43,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 117 remaining) [2024-01-26 15:10:43,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 117 remaining) [2024-01-26 15:10:43,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 117 remaining) [2024-01-26 15:10:43,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 117 remaining) [2024-01-26 15:10:43,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 117 remaining) [2024-01-26 15:10:43,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 117 remaining) [2024-01-26 15:10:43,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 117 remaining) [2024-01-26 15:10:43,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 117 remaining) [2024-01-26 15:10:43,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 117 remaining) [2024-01-26 15:10:43,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 117 remaining) [2024-01-26 15:10:43,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 117 remaining) [2024-01-26 15:10:43,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 117 remaining) [2024-01-26 15:10:43,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONERROR_FUNCTION (8 of 117 remaining) [2024-01-26 15:10:43,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 117 remaining) [2024-01-26 15:10:43,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 117 remaining) [2024-01-26 15:10:43,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 117 remaining) [2024-01-26 15:10:43,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 117 remaining) [2024-01-26 15:10:43,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 117 remaining) [2024-01-26 15:10:43,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 117 remaining) [2024-01-26 15:10:43,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 117 remaining) [2024-01-26 15:10:43,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 117 remaining) [2024-01-26 15:10:43,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 15:10:43,396 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-01-26 15:10:43,399 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-26 15:10:43,399 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-01-26 15:10:43,487 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-26 15:10:43,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 240 places, 237 transitions, 484 flow [2024-01-26 15:10:43,586 INFO L124 PetriNetUnfolderBase]: 2/242 cut-off events. [2024-01-26 15:10:43,586 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-26 15:10:43,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 242 events. 2/242 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 824 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 233. Up to 3 conditions per place. [2024-01-26 15:10:43,589 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 237 transitions, 484 flow [2024-01-26 15:10:43,596 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 240 places, 237 transitions, 484 flow [2024-01-26 15:10:43,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:10:43,601 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;@565ba70e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:10:43,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 175 error locations. [2024-01-26 15:10:43,603 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:10:43,603 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-01-26 15:10:43,603 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-26 15:10:43,603 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:10:43,603 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-26 15:10:43,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 172 more)] === [2024-01-26 15:10:43,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:10:43,603 INFO L85 PathProgramCache]: Analyzing trace with hash 592084439, now seen corresponding path program 1 times [2024-01-26 15:10:43,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:10:43,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295186088] [2024-01-26 15:10:43,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:10:43,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:10:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:10:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:10:43,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:10:43,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295186088] [2024-01-26 15:10:43,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295186088] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:10:43,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:10:43,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:10:43,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851147705] [2024-01-26 15:10:43,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:10:43,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:10:43,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:10:43,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:10:43,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:10:43,760 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 237 [2024-01-26 15:10:43,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 237 transitions, 484 flow. Second operand has 4 states, 4 states have (on average 177.25) internal successors, (709), 4 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:43,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:10:43,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 237 [2024-01-26 15:10:43,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:10:44,310 INFO L124 PetriNetUnfolderBase]: 757/4855 cut-off events. [2024-01-26 15:10:44,310 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-01-26 15:10:44,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6124 conditions, 4855 events. 757/4855 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 47698 event pairs, 352 based on Foata normal form. 390/3316 useless extension candidates. Maximal degree in co-relation 5677. Up to 1161 conditions per place. [2024-01-26 15:10:44,354 INFO L140 encePairwiseOnDemand]: 203/237 looper letters, 43 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2024-01-26 15:10:44,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 221 transitions, 547 flow [2024-01-26 15:10:44,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:10:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:10:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 792 transitions. [2024-01-26 15:10:44,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8354430379746836 [2024-01-26 15:10:44,357 INFO L175 Difference]: Start difference. First operand has 240 places, 237 transitions, 484 flow. Second operand 4 states and 792 transitions. [2024-01-26 15:10:44,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 221 transitions, 547 flow [2024-01-26 15:10:44,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 221 transitions, 547 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-26 15:10:44,365 INFO L231 Difference]: Finished difference. Result has 211 places, 205 transitions, 424 flow [2024-01-26 15:10:44,365 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=424, PETRI_PLACES=211, PETRI_TRANSITIONS=205} [2024-01-26 15:10:44,367 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -29 predicate places. [2024-01-26 15:10:44,367 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 205 transitions, 424 flow [2024-01-26 15:10:44,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 177.25) internal successors, (709), 4 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:44,368 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:10:44,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-26 15:10:44,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-26 15:10:44,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 172 more)] === [2024-01-26 15:10:44,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:10:44,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1174749265, now seen corresponding path program 1 times [2024-01-26 15:10:44,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:10:44,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693024156] [2024-01-26 15:10:44,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:10:44,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:10:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:10:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:10:44,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:10:44,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693024156] [2024-01-26 15:10:44,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693024156] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:10:44,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:10:44,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:10:44,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031214764] [2024-01-26 15:10:44,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:10:44,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:10:44,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:10:44,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:10:44,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:10:44,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 237 [2024-01-26 15:10:44,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 205 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:44,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:10:44,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 237 [2024-01-26 15:10:44,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:10:45,032 INFO L124 PetriNetUnfolderBase]: 1474/5293 cut-off events. [2024-01-26 15:10:45,032 INFO L125 PetriNetUnfolderBase]: For 253/253 co-relation queries the response was YES. [2024-01-26 15:10:45,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7786 conditions, 5293 events. 1474/5293 cut-off events. For 253/253 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 52691 event pairs, 1162 based on Foata normal form. 312/3821 useless extension candidates. Maximal degree in co-relation 7770. Up to 2005 conditions per place. [2024-01-26 15:10:45,065 INFO L140 encePairwiseOnDemand]: 225/237 looper letters, 53 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2024-01-26 15:10:45,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 210 transitions, 549 flow [2024-01-26 15:10:45,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:10:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:10:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2024-01-26 15:10:45,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7960618846694796 [2024-01-26 15:10:45,067 INFO L175 Difference]: Start difference. First operand has 211 places, 205 transitions, 424 flow. Second operand 3 states and 566 transitions. [2024-01-26 15:10:45,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 210 transitions, 549 flow [2024-01-26 15:10:45,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 210 transitions, 546 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:10:45,072 INFO L231 Difference]: Finished difference. Result has 201 places, 195 transitions, 405 flow [2024-01-26 15:10:45,073 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=201, PETRI_TRANSITIONS=195} [2024-01-26 15:10:45,074 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -39 predicate places. [2024-01-26 15:10:45,075 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 195 transitions, 405 flow [2024-01-26 15:10:45,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:45,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:10:45,075 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-01-26 15:10:45,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-26 15:10:45,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 172 more)] === [2024-01-26 15:10:45,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:10:45,076 INFO L85 PathProgramCache]: Analyzing trace with hash -783462647, now seen corresponding path program 1 times [2024-01-26 15:10:45,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:10:45,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101156366] [2024-01-26 15:10:45,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:10:45,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:10:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:10:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 15:10:45,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:10:45,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101156366] [2024-01-26 15:10:45,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101156366] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:10:45,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:10:45,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:10:45,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136907525] [2024-01-26 15:10:45,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:10:45,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:10:45,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:10:45,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:10:45,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:10:45,239 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 237 [2024-01-26 15:10:45,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 195 transitions, 405 flow. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:45,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:10:45,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 237 [2024-01-26 15:10:45,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:10:45,690 INFO L124 PetriNetUnfolderBase]: 718/4189 cut-off events. [2024-01-26 15:10:45,690 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2024-01-26 15:10:45,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5499 conditions, 4189 events. 718/4189 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 40337 event pairs, 22 based on Foata normal form. 396/3174 useless extension candidates. Maximal degree in co-relation 5484. Up to 1059 conditions per place. [2024-01-26 15:10:45,725 INFO L140 encePairwiseOnDemand]: 222/237 looper letters, 52 selfloop transitions, 2 changer transitions 0/208 dead transitions. [2024-01-26 15:10:45,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 208 transitions, 547 flow [2024-01-26 15:10:45,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:10:45,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:10:45,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 771 transitions. [2024-01-26 15:10:45,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8132911392405063 [2024-01-26 15:10:45,728 INFO L175 Difference]: Start difference. First operand has 201 places, 195 transitions, 405 flow. Second operand 4 states and 771 transitions. [2024-01-26 15:10:45,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 208 transitions, 547 flow [2024-01-26 15:10:45,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 208 transitions, 535 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:10:45,731 INFO L231 Difference]: Finished difference. Result has 189 places, 182 transitions, 379 flow [2024-01-26 15:10:45,732 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=379, PETRI_PLACES=189, PETRI_TRANSITIONS=182} [2024-01-26 15:10:45,732 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -51 predicate places. [2024-01-26 15:10:45,733 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 182 transitions, 379 flow [2024-01-26 15:10:45,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:45,733 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:10:45,734 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:10:45,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-26 15:10:45,734 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 172 more)] === [2024-01-26 15:10:45,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:10:45,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1482462444, now seen corresponding path program 1 times [2024-01-26 15:10:45,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:10:45,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272184295] [2024-01-26 15:10:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:10:45,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:10:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:10:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 15:10:45,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:10:45,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272184295] [2024-01-26 15:10:45,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272184295] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:10:45,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:10:45,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:10:45,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706432007] [2024-01-26 15:10:45,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:10:45,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:10:45,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:10:45,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:10:45,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:10:45,832 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 237 [2024-01-26 15:10:45,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 182 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:45,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:10:45,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 237 [2024-01-26 15:10:45,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:10:46,170 INFO L124 PetriNetUnfolderBase]: 1321/3617 cut-off events. [2024-01-26 15:10:46,170 INFO L125 PetriNetUnfolderBase]: For 231/231 co-relation queries the response was YES. [2024-01-26 15:10:46,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5828 conditions, 3617 events. 1321/3617 cut-off events. For 231/231 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 32012 event pairs, 1038 based on Foata normal form. 264/2981 useless extension candidates. Maximal degree in co-relation 5813. Up to 1797 conditions per place. [2024-01-26 15:10:46,200 INFO L140 encePairwiseOnDemand]: 225/237 looper letters, 50 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2024-01-26 15:10:46,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 185 transitions, 489 flow [2024-01-26 15:10:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:10:46,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:10:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2024-01-26 15:10:46,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7918424753867792 [2024-01-26 15:10:46,202 INFO L175 Difference]: Start difference. First operand has 189 places, 182 transitions, 379 flow. Second operand 3 states and 563 transitions. [2024-01-26 15:10:46,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 185 transitions, 489 flow [2024-01-26 15:10:46,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 185 transitions, 486 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:10:46,206 INFO L231 Difference]: Finished difference. Result has 179 places, 172 transitions, 360 flow [2024-01-26 15:10:46,207 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=237, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=179, PETRI_TRANSITIONS=172} [2024-01-26 15:10:46,207 INFO L281 CegarLoopForPetriNet]: 240 programPoint places, -61 predicate places. [2024-01-26 15:10:46,207 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 172 transitions, 360 flow [2024-01-26 15:10:46,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:46,208 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:10:46,208 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1] [2024-01-26 15:10:46,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-26 15:10:46,208 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 172 more)] === [2024-01-26 15:10:46,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:10:46,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1482429780, now seen corresponding path program 1 times [2024-01-26 15:10:46,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:10:46,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766345330] [2024-01-26 15:10:46,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:10:46,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:10:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:10:46,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-26 15:10:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:10:46,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-26 15:10:46,227 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-26 15:10:46,227 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (174 of 175 remaining) [2024-01-26 15:10:46,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (173 of 175 remaining) [2024-01-26 15:10:46,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (172 of 175 remaining) [2024-01-26 15:10:46,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (171 of 175 remaining) [2024-01-26 15:10:46,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (170 of 175 remaining) [2024-01-26 15:10:46,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (169 of 175 remaining) [2024-01-26 15:10:46,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (168 of 175 remaining) [2024-01-26 15:10:46,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (167 of 175 remaining) [2024-01-26 15:10:46,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (166 of 175 remaining) [2024-01-26 15:10:46,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (165 of 175 remaining) [2024-01-26 15:10:46,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (164 of 175 remaining) [2024-01-26 15:10:46,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (163 of 175 remaining) [2024-01-26 15:10:46,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (162 of 175 remaining) [2024-01-26 15:10:46,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (161 of 175 remaining) [2024-01-26 15:10:46,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (160 of 175 remaining) [2024-01-26 15:10:46,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (159 of 175 remaining) [2024-01-26 15:10:46,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (158 of 175 remaining) [2024-01-26 15:10:46,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (157 of 175 remaining) [2024-01-26 15:10:46,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (156 of 175 remaining) [2024-01-26 15:10:46,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (155 of 175 remaining) [2024-01-26 15:10:46,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 175 remaining) [2024-01-26 15:10:46,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 175 remaining) [2024-01-26 15:10:46,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (152 of 175 remaining) [2024-01-26 15:10:46,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 175 remaining) [2024-01-26 15:10:46,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 175 remaining) [2024-01-26 15:10:46,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 175 remaining) [2024-01-26 15:10:46,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 175 remaining) [2024-01-26 15:10:46,231 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 175 remaining) [2024-01-26 15:10:46,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 175 remaining) [2024-01-26 15:10:46,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 175 remaining) [2024-01-26 15:10:46,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 175 remaining) [2024-01-26 15:10:46,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 175 remaining) [2024-01-26 15:10:46,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 175 remaining) [2024-01-26 15:10:46,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 175 remaining) [2024-01-26 15:10:46,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 175 remaining) [2024-01-26 15:10:46,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 175 remaining) [2024-01-26 15:10:46,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 175 remaining) [2024-01-26 15:10:46,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 175 remaining) [2024-01-26 15:10:46,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 175 remaining) [2024-01-26 15:10:46,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 175 remaining) [2024-01-26 15:10:46,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 175 remaining) [2024-01-26 15:10:46,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 175 remaining) [2024-01-26 15:10:46,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 175 remaining) [2024-01-26 15:10:46,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 175 remaining) [2024-01-26 15:10:46,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 175 remaining) [2024-01-26 15:10:46,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 175 remaining) [2024-01-26 15:10:46,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 175 remaining) [2024-01-26 15:10:46,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 175 remaining) [2024-01-26 15:10:46,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 175 remaining) [2024-01-26 15:10:46,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 175 remaining) [2024-01-26 15:10:46,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONERROR_FUNCTION (124 of 175 remaining) [2024-01-26 15:10:46,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 175 remaining) [2024-01-26 15:10:46,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 175 remaining) [2024-01-26 15:10:46,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 175 remaining) [2024-01-26 15:10:46,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 175 remaining) [2024-01-26 15:10:46,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 175 remaining) [2024-01-26 15:10:46,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 175 remaining) [2024-01-26 15:10:46,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 175 remaining) [2024-01-26 15:10:46,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 175 remaining) [2024-01-26 15:10:46,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 175 remaining) [2024-01-26 15:10:46,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 175 remaining) [2024-01-26 15:10:46,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 175 remaining) [2024-01-26 15:10:46,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 175 remaining) [2024-01-26 15:10:46,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 175 remaining) [2024-01-26 15:10:46,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 175 remaining) [2024-01-26 15:10:46,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 175 remaining) [2024-01-26 15:10:46,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 175 remaining) [2024-01-26 15:10:46,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 175 remaining) [2024-01-26 15:10:46,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 175 remaining) [2024-01-26 15:10:46,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 175 remaining) [2024-01-26 15:10:46,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 175 remaining) [2024-01-26 15:10:46,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 175 remaining) [2024-01-26 15:10:46,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 175 remaining) [2024-01-26 15:10:46,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 175 remaining) [2024-01-26 15:10:46,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 175 remaining) [2024-01-26 15:10:46,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 175 remaining) [2024-01-26 15:10:46,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 175 remaining) [2024-01-26 15:10:46,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 175 remaining) [2024-01-26 15:10:46,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 175 remaining) [2024-01-26 15:10:46,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 175 remaining) [2024-01-26 15:10:46,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 175 remaining) [2024-01-26 15:10:46,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 175 remaining) [2024-01-26 15:10:46,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 175 remaining) [2024-01-26 15:10:46,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 175 remaining) [2024-01-26 15:10:46,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 175 remaining) [2024-01-26 15:10:46,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 175 remaining) [2024-01-26 15:10:46,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 175 remaining) [2024-01-26 15:10:46,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 175 remaining) [2024-01-26 15:10:46,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 175 remaining) [2024-01-26 15:10:46,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 175 remaining) [2024-01-26 15:10:46,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 175 remaining) [2024-01-26 15:10:46,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 175 remaining) [2024-01-26 15:10:46,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 175 remaining) [2024-01-26 15:10:46,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 175 remaining) [2024-01-26 15:10:46,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 175 remaining) [2024-01-26 15:10:46,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 175 remaining) [2024-01-26 15:10:46,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 175 remaining) [2024-01-26 15:10:46,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 175 remaining) [2024-01-26 15:10:46,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 175 remaining) [2024-01-26 15:10:46,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 175 remaining) [2024-01-26 15:10:46,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 175 remaining) [2024-01-26 15:10:46,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 175 remaining) [2024-01-26 15:10:46,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 175 remaining) [2024-01-26 15:10:46,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 175 remaining) [2024-01-26 15:10:46,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 175 remaining) [2024-01-26 15:10:46,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 175 remaining) [2024-01-26 15:10:46,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 175 remaining) [2024-01-26 15:10:46,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 175 remaining) [2024-01-26 15:10:46,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONERROR_FUNCTION (66 of 175 remaining) [2024-01-26 15:10:46,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 175 remaining) [2024-01-26 15:10:46,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 175 remaining) [2024-01-26 15:10:46,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 175 remaining) [2024-01-26 15:10:46,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 175 remaining) [2024-01-26 15:10:46,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 175 remaining) [2024-01-26 15:10:46,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 175 remaining) [2024-01-26 15:10:46,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 175 remaining) [2024-01-26 15:10:46,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 175 remaining) [2024-01-26 15:10:46,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 175 remaining) [2024-01-26 15:10:46,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 175 remaining) [2024-01-26 15:10:46,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 175 remaining) [2024-01-26 15:10:46,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 175 remaining) [2024-01-26 15:10:46,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 175 remaining) [2024-01-26 15:10:46,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 175 remaining) [2024-01-26 15:10:46,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 175 remaining) [2024-01-26 15:10:46,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 175 remaining) [2024-01-26 15:10:46,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 175 remaining) [2024-01-26 15:10:46,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 175 remaining) [2024-01-26 15:10:46,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 175 remaining) [2024-01-26 15:10:46,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 175 remaining) [2024-01-26 15:10:46,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 175 remaining) [2024-01-26 15:10:46,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 175 remaining) [2024-01-26 15:10:46,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 175 remaining) [2024-01-26 15:10:46,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 175 remaining) [2024-01-26 15:10:46,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 175 remaining) [2024-01-26 15:10:46,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 175 remaining) [2024-01-26 15:10:46,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 175 remaining) [2024-01-26 15:10:46,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 175 remaining) [2024-01-26 15:10:46,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 175 remaining) [2024-01-26 15:10:46,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 175 remaining) [2024-01-26 15:10:46,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 175 remaining) [2024-01-26 15:10:46,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 175 remaining) [2024-01-26 15:10:46,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 175 remaining) [2024-01-26 15:10:46,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 175 remaining) [2024-01-26 15:10:46,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 175 remaining) [2024-01-26 15:10:46,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 175 remaining) [2024-01-26 15:10:46,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 175 remaining) [2024-01-26 15:10:46,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 175 remaining) [2024-01-26 15:10:46,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 175 remaining) [2024-01-26 15:10:46,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 175 remaining) [2024-01-26 15:10:46,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 175 remaining) [2024-01-26 15:10:46,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 175 remaining) [2024-01-26 15:10:46,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 175 remaining) [2024-01-26 15:10:46,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 175 remaining) [2024-01-26 15:10:46,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 175 remaining) [2024-01-26 15:10:46,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 175 remaining) [2024-01-26 15:10:46,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 175 remaining) [2024-01-26 15:10:46,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 175 remaining) [2024-01-26 15:10:46,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 175 remaining) [2024-01-26 15:10:46,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 175 remaining) [2024-01-26 15:10:46,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 175 remaining) [2024-01-26 15:10:46,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 175 remaining) [2024-01-26 15:10:46,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 175 remaining) [2024-01-26 15:10:46,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 175 remaining) [2024-01-26 15:10:46,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 175 remaining) [2024-01-26 15:10:46,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 175 remaining) [2024-01-26 15:10:46,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 175 remaining) [2024-01-26 15:10:46,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONERROR_FUNCTION (8 of 175 remaining) [2024-01-26 15:10:46,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 175 remaining) [2024-01-26 15:10:46,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 175 remaining) [2024-01-26 15:10:46,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 175 remaining) [2024-01-26 15:10:46,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 175 remaining) [2024-01-26 15:10:46,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 175 remaining) [2024-01-26 15:10:46,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 175 remaining) [2024-01-26 15:10:46,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 175 remaining) [2024-01-26 15:10:46,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 175 remaining) [2024-01-26 15:10:46,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-26 15:10:46,256 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-01-26 15:10:46,257 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-26 15:10:46,257 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-01-26 15:10:46,331 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-26 15:10:46,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 353 transitions, 724 flow [2024-01-26 15:10:46,395 INFO L124 PetriNetUnfolderBase]: 3/361 cut-off events. [2024-01-26 15:10:46,395 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-01-26 15:10:46,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 361 events. 3/361 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1619 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 348. Up to 4 conditions per place. [2024-01-26 15:10:46,402 INFO L82 GeneralOperation]: Start removeDead. Operand has 357 places, 353 transitions, 724 flow [2024-01-26 15:10:46,411 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 357 places, 353 transitions, 724 flow [2024-01-26 15:10:46,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:10:46,413 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;@565ba70e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:10:46,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 233 error locations. [2024-01-26 15:10:46,414 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:10:46,414 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-01-26 15:10:46,414 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-26 15:10:46,414 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:10:46,415 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-26 15:10:46,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-26 15:10:46,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:10:46,415 INFO L85 PathProgramCache]: Analyzing trace with hash 929064619, now seen corresponding path program 1 times [2024-01-26 15:10:46,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:10:46,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11242913] [2024-01-26 15:10:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:10:46,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:10:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:10:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:10:46,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:10:46,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11242913] [2024-01-26 15:10:46,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11242913] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:10:46,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:10:46,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:10:46,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418890270] [2024-01-26 15:10:46,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:10:46,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:10:46,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:10:46,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:10:46,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:10:46,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 353 [2024-01-26 15:10:46,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 353 transitions, 724 flow. Second operand has 4 states, 4 states have (on average 271.25) internal successors, (1085), 4 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:46,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:10:46,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 353 [2024-01-26 15:10:46,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:10:53,351 INFO L124 PetriNetUnfolderBase]: 14725/64978 cut-off events. [2024-01-26 15:10:53,352 INFO L125 PetriNetUnfolderBase]: For 1294/1294 co-relation queries the response was YES. [2024-01-26 15:10:53,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85976 conditions, 64978 events. 14725/64978 cut-off events. For 1294/1294 co-relation queries the response was YES. Maximal size of possible extension queue 1381. Compared 950956 event pairs, 9295 based on Foata normal form. 5028/43945 useless extension candidates. Maximal degree in co-relation 74919. Up to 19149 conditions per place. [2024-01-26 15:10:54,124 INFO L140 encePairwiseOnDemand]: 310/353 looper letters, 69 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2024-01-26 15:10:54,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 341 transitions, 854 flow [2024-01-26 15:10:54,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:10:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:10:54,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1212 transitions. [2024-01-26 15:10:54,128 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8583569405099151 [2024-01-26 15:10:54,128 INFO L175 Difference]: Start difference. First operand has 357 places, 353 transitions, 724 flow. Second operand 4 states and 1212 transitions. [2024-01-26 15:10:54,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 341 transitions, 854 flow [2024-01-26 15:10:54,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 341 transitions, 850 flow, removed 2 selfloop flow, removed 0 redundant places. [2024-01-26 15:10:54,137 INFO L231 Difference]: Finished difference. Result has 319 places, 312 transitions, 644 flow [2024-01-26 15:10:54,137 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=644, PETRI_PLACES=319, PETRI_TRANSITIONS=312} [2024-01-26 15:10:54,139 INFO L281 CegarLoopForPetriNet]: 357 programPoint places, -38 predicate places. [2024-01-26 15:10:54,139 INFO L495 AbstractCegarLoop]: Abstraction has has 319 places, 312 transitions, 644 flow [2024-01-26 15:10:54,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 271.25) internal successors, (1085), 4 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:54,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:10:54,140 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-26 15:10:54,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-26 15:10:54,141 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-26 15:10:54,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:10:54,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1263766690, now seen corresponding path program 1 times [2024-01-26 15:10:54,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:10:54,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703190449] [2024-01-26 15:10:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:10:54,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:10:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:10:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:10:54,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:10:54,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703190449] [2024-01-26 15:10:54,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703190449] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:10:54,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:10:54,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:10:54,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929773251] [2024-01-26 15:10:54,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:10:54,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:10:54,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:10:54,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:10:54,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:10:54,231 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 353 [2024-01-26 15:10:54,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 312 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:10:54,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:10:54,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 353 [2024-01-26 15:10:54,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:11:04,142 INFO L124 PetriNetUnfolderBase]: 28978/110409 cut-off events. [2024-01-26 15:11:04,142 INFO L125 PetriNetUnfolderBase]: For 1547/1547 co-relation queries the response was YES. [2024-01-26 15:11:04,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151639 conditions, 110409 events. 28978/110409 cut-off events. For 1547/1547 co-relation queries the response was YES. Maximal size of possible extension queue 2577. Compared 1713023 event pairs, 23263 based on Foata normal form. 3723/72395 useless extension candidates. Maximal degree in co-relation 151622. Up to 33493 conditions per place. [2024-01-26 15:11:05,769 INFO L140 encePairwiseOnDemand]: 341/353 looper letters, 79 selfloop transitions, 2 changer transitions 0/330 dead transitions. [2024-01-26 15:11:05,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 330 transitions, 852 flow [2024-01-26 15:11:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:11:05,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:11:05,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 874 transitions. [2024-01-26 15:11:05,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8253068932955618 [2024-01-26 15:11:05,775 INFO L175 Difference]: Start difference. First operand has 319 places, 312 transitions, 644 flow. Second operand 3 states and 874 transitions. [2024-01-26 15:11:05,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 330 transitions, 852 flow [2024-01-26 15:11:05,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 330 transitions, 849 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:11:05,791 INFO L231 Difference]: Finished difference. Result has 309 places, 302 transitions, 625 flow [2024-01-26 15:11:05,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=625, PETRI_PLACES=309, PETRI_TRANSITIONS=302} [2024-01-26 15:11:05,795 INFO L281 CegarLoopForPetriNet]: 357 programPoint places, -48 predicate places. [2024-01-26 15:11:05,796 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 302 transitions, 625 flow [2024-01-26 15:11:05,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:11:05,796 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:11:05,796 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-01-26 15:11:05,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-26 15:11:05,797 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-26 15:11:05,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:11:05,797 INFO L85 PathProgramCache]: Analyzing trace with hash 854977385, now seen corresponding path program 1 times [2024-01-26 15:11:05,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:11:05,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090083450] [2024-01-26 15:11:05,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:11:05,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:11:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:11:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 15:11:05,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:11:05,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090083450] [2024-01-26 15:11:05,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090083450] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:11:05,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:11:05,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:11:05,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969319356] [2024-01-26 15:11:05,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:11:05,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:11:05,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:11:05,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:11:05,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:11:05,913 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 353 [2024-01-26 15:11:05,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 302 transitions, 625 flow. Second operand has 4 states, 4 states have (on average 271.75) internal successors, (1087), 4 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:11:05,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:11:05,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 353 [2024-01-26 15:11:05,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:11:11,199 INFO L124 PetriNetUnfolderBase]: 14254/59161 cut-off events. [2024-01-26 15:11:11,200 INFO L125 PetriNetUnfolderBase]: For 1794/1794 co-relation queries the response was YES. [2024-01-26 15:11:11,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80488 conditions, 59161 events. 14254/59161 cut-off events. For 1794/1794 co-relation queries the response was YES. Maximal size of possible extension queue 1259. Compared 846236 event pairs, 286 based on Foata normal form. 5148/43879 useless extension candidates. Maximal degree in co-relation 80472. Up to 18651 conditions per place. [2024-01-26 15:11:11,635 INFO L140 encePairwiseOnDemand]: 338/353 looper letters, 78 selfloop transitions, 2 changer transitions 0/328 dead transitions. [2024-01-26 15:11:11,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 328 transitions, 850 flow [2024-01-26 15:11:11,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:11:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:11:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1173 transitions. [2024-01-26 15:11:11,638 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8307365439093485 [2024-01-26 15:11:11,638 INFO L175 Difference]: Start difference. First operand has 309 places, 302 transitions, 625 flow. Second operand 4 states and 1173 transitions. [2024-01-26 15:11:11,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 328 transitions, 850 flow [2024-01-26 15:11:11,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 328 transitions, 838 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:11:11,644 INFO L231 Difference]: Finished difference. Result has 297 places, 289 transitions, 599 flow [2024-01-26 15:11:11,645 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=599, PETRI_PLACES=297, PETRI_TRANSITIONS=289} [2024-01-26 15:11:11,645 INFO L281 CegarLoopForPetriNet]: 357 programPoint places, -60 predicate places. [2024-01-26 15:11:11,645 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 289 transitions, 599 flow [2024-01-26 15:11:11,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 271.75) internal successors, (1087), 4 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:11:11,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:11:11,646 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:11:11,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-26 15:11:11,647 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-26 15:11:11,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:11:11,647 INFO L85 PathProgramCache]: Analyzing trace with hash 734496467, now seen corresponding path program 1 times [2024-01-26 15:11:11,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:11:11,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455635594] [2024-01-26 15:11:11,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:11:11,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:11:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:11:11,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 15:11:11,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:11:11,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455635594] [2024-01-26 15:11:11,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455635594] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:11:11,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:11:11,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 15:11:11,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310230051] [2024-01-26 15:11:11,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:11:11,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:11:11,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:11:11,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:11:11,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:11:11,753 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 353 [2024-01-26 15:11:11,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 289 transitions, 599 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:11:11,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:11:11,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 353 [2024-01-26 15:11:11,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:11:17,844 INFO L124 PetriNetUnfolderBase]: 26533/68627 cut-off events. [2024-01-26 15:11:17,844 INFO L125 PetriNetUnfolderBase]: For 7557/7557 co-relation queries the response was YES. [2024-01-26 15:11:18,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106347 conditions, 68627 events. 26533/68627 cut-off events. For 7557/7557 co-relation queries the response was YES. Maximal size of possible extension queue 1901. Compared 897223 event pairs, 20602 based on Foata normal form. 3432/49495 useless extension candidates. Maximal degree in co-relation 106331. Up to 30661 conditions per place. [2024-01-26 15:11:18,648 INFO L140 encePairwiseOnDemand]: 341/353 looper letters, 76 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-01-26 15:11:18,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 305 transitions, 792 flow [2024-01-26 15:11:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:11:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:11:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 871 transitions. [2024-01-26 15:11:18,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8224740321057602 [2024-01-26 15:11:18,650 INFO L175 Difference]: Start difference. First operand has 297 places, 289 transitions, 599 flow. Second operand 3 states and 871 transitions. [2024-01-26 15:11:18,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 305 transitions, 792 flow [2024-01-26 15:11:18,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 305 transitions, 789 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:11:18,670 INFO L231 Difference]: Finished difference. Result has 287 places, 279 transitions, 580 flow [2024-01-26 15:11:18,671 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=287, PETRI_TRANSITIONS=279} [2024-01-26 15:11:18,671 INFO L281 CegarLoopForPetriNet]: 357 programPoint places, -70 predicate places. [2024-01-26 15:11:18,671 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 279 transitions, 580 flow [2024-01-26 15:11:18,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:11:18,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:11:18,672 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2024-01-26 15:11:18,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-01-26 15:11:18,673 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-26 15:11:18,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:11:18,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1225742156, now seen corresponding path program 1 times [2024-01-26 15:11:18,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:11:18,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808001227] [2024-01-26 15:11:18,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:11:18,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:11:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:11:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-01-26 15:11:18,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:11:18,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808001227] [2024-01-26 15:11:18,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808001227] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:11:18,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:11:18,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:11:18,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806315105] [2024-01-26 15:11:18,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:11:18,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:11:18,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:11:18,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:11:18,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:11:18,771 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 353 [2024-01-26 15:11:18,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 279 transitions, 580 flow. Second operand has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:11:18,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:11:18,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 353 [2024-01-26 15:11:18,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:11:23,072 INFO L124 PetriNetUnfolderBase]: 13069/53604 cut-off events. [2024-01-26 15:11:23,072 INFO L125 PetriNetUnfolderBase]: For 1067/1067 co-relation queries the response was YES. [2024-01-26 15:11:23,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73163 conditions, 53604 events. 13069/53604 cut-off events. For 1067/1067 co-relation queries the response was YES. Maximal size of possible extension queue 1180. Compared 755045 event pairs, 1114 based on Foata normal form. 4356/39979 useless extension candidates. Maximal degree in co-relation 73147. Up to 16005 conditions per place. [2024-01-26 15:11:23,726 INFO L140 encePairwiseOnDemand]: 338/353 looper letters, 86 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2024-01-26 15:11:23,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 314 transitions, 834 flow [2024-01-26 15:11:23,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:11:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:11:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1181 transitions. [2024-01-26 15:11:23,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8364022662889519 [2024-01-26 15:11:23,729 INFO L175 Difference]: Start difference. First operand has 287 places, 279 transitions, 580 flow. Second operand 4 states and 1181 transitions. [2024-01-26 15:11:23,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 314 transitions, 834 flow [2024-01-26 15:11:23,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 314 transitions, 822 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:11:23,735 INFO L231 Difference]: Finished difference. Result has 275 places, 266 transitions, 554 flow [2024-01-26 15:11:23,735 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=554, PETRI_PLACES=275, PETRI_TRANSITIONS=266} [2024-01-26 15:11:23,736 INFO L281 CegarLoopForPetriNet]: 357 programPoint places, -82 predicate places. [2024-01-26 15:11:23,736 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 266 transitions, 554 flow [2024-01-26 15:11:23,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:11:23,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:11:23,737 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2024-01-26 15:11:23,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-01-26 15:11:23,737 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 230 more)] === [2024-01-26 15:11:23,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:11:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash -656730299, now seen corresponding path program 1 times [2024-01-26 15:11:23,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:11:23,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823742299] [2024-01-26 15:11:23,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:11:23,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:11:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:11:23,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-26 15:11:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:11:23,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-26 15:11:23,755 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-26 15:11:23,755 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (232 of 233 remaining) [2024-01-26 15:11:23,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (231 of 233 remaining) [2024-01-26 15:11:23,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (230 of 233 remaining) [2024-01-26 15:11:23,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (229 of 233 remaining) [2024-01-26 15:11:23,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (228 of 233 remaining) [2024-01-26 15:11:23,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (227 of 233 remaining) [2024-01-26 15:11:23,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (226 of 233 remaining) [2024-01-26 15:11:23,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (225 of 233 remaining) [2024-01-26 15:11:23,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (224 of 233 remaining) [2024-01-26 15:11:23,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (223 of 233 remaining) [2024-01-26 15:11:23,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (222 of 233 remaining) [2024-01-26 15:11:23,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (221 of 233 remaining) [2024-01-26 15:11:23,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (220 of 233 remaining) [2024-01-26 15:11:23,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (219 of 233 remaining) [2024-01-26 15:11:23,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (218 of 233 remaining) [2024-01-26 15:11:23,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (217 of 233 remaining) [2024-01-26 15:11:23,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (216 of 233 remaining) [2024-01-26 15:11:23,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (215 of 233 remaining) [2024-01-26 15:11:23,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (214 of 233 remaining) [2024-01-26 15:11:23,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (213 of 233 remaining) [2024-01-26 15:11:23,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (212 of 233 remaining) [2024-01-26 15:11:23,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (211 of 233 remaining) [2024-01-26 15:11:23,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (210 of 233 remaining) [2024-01-26 15:11:23,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (209 of 233 remaining) [2024-01-26 15:11:23,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (208 of 233 remaining) [2024-01-26 15:11:23,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (207 of 233 remaining) [2024-01-26 15:11:23,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (206 of 233 remaining) [2024-01-26 15:11:23,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (205 of 233 remaining) [2024-01-26 15:11:23,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (204 of 233 remaining) [2024-01-26 15:11:23,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (203 of 233 remaining) [2024-01-26 15:11:23,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (202 of 233 remaining) [2024-01-26 15:11:23,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (201 of 233 remaining) [2024-01-26 15:11:23,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (200 of 233 remaining) [2024-01-26 15:11:23,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (199 of 233 remaining) [2024-01-26 15:11:23,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (198 of 233 remaining) [2024-01-26 15:11:23,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (197 of 233 remaining) [2024-01-26 15:11:23,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (196 of 233 remaining) [2024-01-26 15:11:23,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (195 of 233 remaining) [2024-01-26 15:11:23,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (194 of 233 remaining) [2024-01-26 15:11:23,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (193 of 233 remaining) [2024-01-26 15:11:23,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (192 of 233 remaining) [2024-01-26 15:11:23,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (191 of 233 remaining) [2024-01-26 15:11:23,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (190 of 233 remaining) [2024-01-26 15:11:23,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (189 of 233 remaining) [2024-01-26 15:11:23,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (188 of 233 remaining) [2024-01-26 15:11:23,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (187 of 233 remaining) [2024-01-26 15:11:23,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (186 of 233 remaining) [2024-01-26 15:11:23,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (185 of 233 remaining) [2024-01-26 15:11:23,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (184 of 233 remaining) [2024-01-26 15:11:23,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (183 of 233 remaining) [2024-01-26 15:11:23,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONERROR_FUNCTION (182 of 233 remaining) [2024-01-26 15:11:23,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (181 of 233 remaining) [2024-01-26 15:11:23,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (180 of 233 remaining) [2024-01-26 15:11:23,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (179 of 233 remaining) [2024-01-26 15:11:23,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (178 of 233 remaining) [2024-01-26 15:11:23,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (177 of 233 remaining) [2024-01-26 15:11:23,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (176 of 233 remaining) [2024-01-26 15:11:23,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (175 of 233 remaining) [2024-01-26 15:11:23,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (174 of 233 remaining) [2024-01-26 15:11:23,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (173 of 233 remaining) [2024-01-26 15:11:23,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (172 of 233 remaining) [2024-01-26 15:11:23,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (171 of 233 remaining) [2024-01-26 15:11:23,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (170 of 233 remaining) [2024-01-26 15:11:23,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (169 of 233 remaining) [2024-01-26 15:11:23,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (168 of 233 remaining) [2024-01-26 15:11:23,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (167 of 233 remaining) [2024-01-26 15:11:23,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (166 of 233 remaining) [2024-01-26 15:11:23,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (165 of 233 remaining) [2024-01-26 15:11:23,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (164 of 233 remaining) [2024-01-26 15:11:23,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (163 of 233 remaining) [2024-01-26 15:11:23,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (162 of 233 remaining) [2024-01-26 15:11:23,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (161 of 233 remaining) [2024-01-26 15:11:23,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (160 of 233 remaining) [2024-01-26 15:11:23,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (159 of 233 remaining) [2024-01-26 15:11:23,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (158 of 233 remaining) [2024-01-26 15:11:23,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (157 of 233 remaining) [2024-01-26 15:11:23,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (156 of 233 remaining) [2024-01-26 15:11:23,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (155 of 233 remaining) [2024-01-26 15:11:23,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 233 remaining) [2024-01-26 15:11:23,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 233 remaining) [2024-01-26 15:11:23,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (152 of 233 remaining) [2024-01-26 15:11:23,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 233 remaining) [2024-01-26 15:11:23,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 233 remaining) [2024-01-26 15:11:23,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 233 remaining) [2024-01-26 15:11:23,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 233 remaining) [2024-01-26 15:11:23,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 233 remaining) [2024-01-26 15:11:23,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 233 remaining) [2024-01-26 15:11:23,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 233 remaining) [2024-01-26 15:11:23,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 233 remaining) [2024-01-26 15:11:23,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 233 remaining) [2024-01-26 15:11:23,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 233 remaining) [2024-01-26 15:11:23,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 233 remaining) [2024-01-26 15:11:23,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 233 remaining) [2024-01-26 15:11:23,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 233 remaining) [2024-01-26 15:11:23,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 233 remaining) [2024-01-26 15:11:23,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 233 remaining) [2024-01-26 15:11:23,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 233 remaining) [2024-01-26 15:11:23,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 233 remaining) [2024-01-26 15:11:23,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 233 remaining) [2024-01-26 15:11:23,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 233 remaining) [2024-01-26 15:11:23,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 233 remaining) [2024-01-26 15:11:23,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 233 remaining) [2024-01-26 15:11:23,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 233 remaining) [2024-01-26 15:11:23,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 233 remaining) [2024-01-26 15:11:23,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 233 remaining) [2024-01-26 15:11:23,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 233 remaining) [2024-01-26 15:11:23,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 233 remaining) [2024-01-26 15:11:23,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 233 remaining) [2024-01-26 15:11:23,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONERROR_FUNCTION (124 of 233 remaining) [2024-01-26 15:11:23,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 233 remaining) [2024-01-26 15:11:23,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 233 remaining) [2024-01-26 15:11:23,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 233 remaining) [2024-01-26 15:11:23,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 233 remaining) [2024-01-26 15:11:23,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 233 remaining) [2024-01-26 15:11:23,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 233 remaining) [2024-01-26 15:11:23,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 233 remaining) [2024-01-26 15:11:23,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 233 remaining) [2024-01-26 15:11:23,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 233 remaining) [2024-01-26 15:11:23,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 233 remaining) [2024-01-26 15:11:23,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 233 remaining) [2024-01-26 15:11:23,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 233 remaining) [2024-01-26 15:11:23,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 233 remaining) [2024-01-26 15:11:23,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 233 remaining) [2024-01-26 15:11:23,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 233 remaining) [2024-01-26 15:11:23,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 233 remaining) [2024-01-26 15:11:23,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 233 remaining) [2024-01-26 15:11:23,773 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 233 remaining) [2024-01-26 15:11:23,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 233 remaining) [2024-01-26 15:11:23,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 233 remaining) [2024-01-26 15:11:23,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 233 remaining) [2024-01-26 15:11:23,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 233 remaining) [2024-01-26 15:11:23,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 233 remaining) [2024-01-26 15:11:23,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 233 remaining) [2024-01-26 15:11:23,774 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 233 remaining) [2024-01-26 15:11:23,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 233 remaining) [2024-01-26 15:11:23,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 233 remaining) [2024-01-26 15:11:23,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 233 remaining) [2024-01-26 15:11:23,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 233 remaining) [2024-01-26 15:11:23,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 233 remaining) [2024-01-26 15:11:23,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 233 remaining) [2024-01-26 15:11:23,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 233 remaining) [2024-01-26 15:11:23,775 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 233 remaining) [2024-01-26 15:11:23,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 233 remaining) [2024-01-26 15:11:23,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 233 remaining) [2024-01-26 15:11:23,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 233 remaining) [2024-01-26 15:11:23,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 233 remaining) [2024-01-26 15:11:23,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 233 remaining) [2024-01-26 15:11:23,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 233 remaining) [2024-01-26 15:11:23,776 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 233 remaining) [2024-01-26 15:11:23,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 233 remaining) [2024-01-26 15:11:23,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 233 remaining) [2024-01-26 15:11:23,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 233 remaining) [2024-01-26 15:11:23,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 233 remaining) [2024-01-26 15:11:23,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 233 remaining) [2024-01-26 15:11:23,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 233 remaining) [2024-01-26 15:11:23,777 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 233 remaining) [2024-01-26 15:11:23,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 233 remaining) [2024-01-26 15:11:23,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 233 remaining) [2024-01-26 15:11:23,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 233 remaining) [2024-01-26 15:11:23,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 233 remaining) [2024-01-26 15:11:23,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 233 remaining) [2024-01-26 15:11:23,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 233 remaining) [2024-01-26 15:11:23,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 233 remaining) [2024-01-26 15:11:23,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 233 remaining) [2024-01-26 15:11:23,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 233 remaining) [2024-01-26 15:11:23,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 233 remaining) [2024-01-26 15:11:23,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONERROR_FUNCTION (66 of 233 remaining) [2024-01-26 15:11:23,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 233 remaining) [2024-01-26 15:11:23,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 233 remaining) [2024-01-26 15:11:23,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 233 remaining) [2024-01-26 15:11:23,779 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 233 remaining) [2024-01-26 15:11:23,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 233 remaining) [2024-01-26 15:11:23,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 233 remaining) [2024-01-26 15:11:23,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 233 remaining) [2024-01-26 15:11:23,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 233 remaining) [2024-01-26 15:11:23,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 233 remaining) [2024-01-26 15:11:23,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 233 remaining) [2024-01-26 15:11:23,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 233 remaining) [2024-01-26 15:11:23,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 233 remaining) [2024-01-26 15:11:23,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 233 remaining) [2024-01-26 15:11:23,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 233 remaining) [2024-01-26 15:11:23,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 233 remaining) [2024-01-26 15:11:23,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 233 remaining) [2024-01-26 15:11:23,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 233 remaining) [2024-01-26 15:11:23,781 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 233 remaining) [2024-01-26 15:11:23,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 233 remaining) [2024-01-26 15:11:23,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 233 remaining) [2024-01-26 15:11:23,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 233 remaining) [2024-01-26 15:11:23,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 233 remaining) [2024-01-26 15:11:23,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 233 remaining) [2024-01-26 15:11:23,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 233 remaining) [2024-01-26 15:11:23,782 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 233 remaining) [2024-01-26 15:11:23,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 233 remaining) [2024-01-26 15:11:23,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 233 remaining) [2024-01-26 15:11:23,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 233 remaining) [2024-01-26 15:11:23,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 233 remaining) [2024-01-26 15:11:23,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 233 remaining) [2024-01-26 15:11:23,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 233 remaining) [2024-01-26 15:11:23,783 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 233 remaining) [2024-01-26 15:11:23,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 233 remaining) [2024-01-26 15:11:23,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 233 remaining) [2024-01-26 15:11:23,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 233 remaining) [2024-01-26 15:11:23,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 233 remaining) [2024-01-26 15:11:23,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 233 remaining) [2024-01-26 15:11:23,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 233 remaining) [2024-01-26 15:11:23,784 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 233 remaining) [2024-01-26 15:11:23,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 233 remaining) [2024-01-26 15:11:23,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 233 remaining) [2024-01-26 15:11:23,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 233 remaining) [2024-01-26 15:11:23,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 233 remaining) [2024-01-26 15:11:23,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 233 remaining) [2024-01-26 15:11:23,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 233 remaining) [2024-01-26 15:11:23,785 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 233 remaining) [2024-01-26 15:11:23,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 233 remaining) [2024-01-26 15:11:23,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 233 remaining) [2024-01-26 15:11:23,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 233 remaining) [2024-01-26 15:11:23,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 233 remaining) [2024-01-26 15:11:23,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 233 remaining) [2024-01-26 15:11:23,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 233 remaining) [2024-01-26 15:11:23,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 233 remaining) [2024-01-26 15:11:23,786 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 233 remaining) [2024-01-26 15:11:23,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 233 remaining) [2024-01-26 15:11:23,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 233 remaining) [2024-01-26 15:11:23,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 233 remaining) [2024-01-26 15:11:23,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONERROR_FUNCTION (8 of 233 remaining) [2024-01-26 15:11:23,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 233 remaining) [2024-01-26 15:11:23,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 233 remaining) [2024-01-26 15:11:23,787 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 233 remaining) [2024-01-26 15:11:23,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 233 remaining) [2024-01-26 15:11:23,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 233 remaining) [2024-01-26 15:11:23,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 233 remaining) [2024-01-26 15:11:23,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err56ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 233 remaining) [2024-01-26 15:11:23,788 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err57ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 233 remaining) [2024-01-26 15:11:23,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-01-26 15:11:23,788 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-01-26 15:11:23,789 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-01-26 15:11:23,789 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-01-26 15:11:23,867 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-26 15:11:23,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 474 places, 469 transitions, 966 flow [2024-01-26 15:11:23,947 INFO L124 PetriNetUnfolderBase]: 4/480 cut-off events. [2024-01-26 15:11:23,947 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-01-26 15:11:23,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 480 events. 4/480 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2524 event pairs, 0 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 463. Up to 5 conditions per place. [2024-01-26 15:11:23,959 INFO L82 GeneralOperation]: Start removeDead. Operand has 474 places, 469 transitions, 966 flow [2024-01-26 15:11:23,973 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 474 places, 469 transitions, 966 flow [2024-01-26 15:11:23,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:11:23,975 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;@565ba70e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:11:23,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 291 error locations. [2024-01-26 15:11:23,976 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:11:23,976 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-01-26 15:11:23,976 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-26 15:11:23,977 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:11:23,977 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-26 15:11:23,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thr1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thr1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 288 more)] === [2024-01-26 15:11:23,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:11:23,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1376747859, now seen corresponding path program 1 times [2024-01-26 15:11:23,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:11:23,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411988051] [2024-01-26 15:11:23,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:11:23,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:11:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:11:24,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:11:24,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:11:24,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411988051] [2024-01-26 15:11:24,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411988051] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:11:24,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:11:24,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:11:24,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197272931] [2024-01-26 15:11:24,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:11:24,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:11:24,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:11:24,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:11:24,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:11:24,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 469 [2024-01-26 15:11:24,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 469 transitions, 966 flow. Second operand has 4 states, 4 states have (on average 365.25) internal successors, (1461), 4 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:11:24,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:11:24,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 469 [2024-01-26 15:11:24,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand