./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c --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/test-easy6.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/test-easy6.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-ab2e0ac-m [2024-01-29 14:20:31,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:20:32,078 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:20:32,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:20:32,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:20:32,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:20:32,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:20:32,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:20:32,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:20:32,116 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:20:32,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:20:32,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:20:32,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:20:32,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:20:32,119 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:20:32,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:20:32,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:20:32,119 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:20:32,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:20:32,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:20:32,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:20:32,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:20:32,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:20:32,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:20:32,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:20:32,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:20:32,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:20:32,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:20:32,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:20:32,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:20:32,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:20:32,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:20:32,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:20:32,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:20:32,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:20:32,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:20:32,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:20:32,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:20:32,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:20:32,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:20:32,125 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:20:32,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:20:32,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:20:32,125 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:20:32,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:20:32,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:20:32,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:20:32,300 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:20:32,301 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:20:32,302 INFO L431 ainManager$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/test-easy6.wvr.yml/witness.yml [2024-01-29 14:20:32,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:20:32,561 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:20:32,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c [2024-01-29 14:20:33,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:20:33,732 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:20:33,733 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c [2024-01-29 14:20:33,739 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2018f770/cb07483c2f0743efbc8a83a9dd34d6f2/FLAG9a92d2b70 [2024-01-29 14:20:33,752 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2018f770/cb07483c2f0743efbc8a83a9dd34d6f2 [2024-01-29 14:20:33,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:20:33,755 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:20:33,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:20:33,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:20:33,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:20:33,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:20:32" (1/2) ... [2024-01-29 14:20:33,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a46e7d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:20:33, skipping insertion in model container [2024-01-29 14:20:33,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:20:32" (1/2) ... [2024-01-29 14:20:33,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68e47d35 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:20:33, skipping insertion in model container [2024-01-29 14:20:33,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:20:33" (2/2) ... [2024-01-29 14:20:33,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a46e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:33, skipping insertion in model container [2024-01-29 14:20:33,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:20:33" (2/2) ... [2024-01-29 14:20:33,764 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:20:33,808 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:20:33,838 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,838 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= tmp2 [2024-01-29 14:20:33,838 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,838 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,839 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= tmp1 [2024-01-29 14:20:33,839 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= i2 [2024-01-29 14:20:33,839 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= i1 [2024-01-29 14:20:33,839 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 1 <= n2 [2024-01-29 14:20:33,839 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= n1 [2024-01-29 14:20:33,840 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] 0 <= i [2024-01-29 14:20:33,840 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,840 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i2 [2024-01-29 14:20:33,841 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,873 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= tmp1 [2024-01-29 14:20:33,874 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,874 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= n2 [2024-01-29 14:20:33,874 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i1 [2024-01-29 14:20:33,874 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i [2024-01-29 14:20:33,874 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,874 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= n1 [2024-01-29 14:20:33,875 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= tmp2 [2024-01-29 14:20:33,875 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= i2 [2024-01-29 14:20:33,875 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= i1 [2024-01-29 14:20:33,876 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= tmp2 [2024-01-29 14:20:33,876 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,876 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] n2 == 0 [2024-01-29 14:20:33,876 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,876 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= tmp1 [2024-01-29 14:20:33,876 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= i [2024-01-29 14:20:33,876 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] 0 <= n1 [2024-01-29 14:20:33,877 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,877 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,877 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,877 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= n1 [2024-01-29 14:20:33,877 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,878 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i2 [2024-01-29 14:20:33,878 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= tmp2 [2024-01-29 14:20:33,878 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,879 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= n2 [2024-01-29 14:20:33,879 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= tmp1 [2024-01-29 14:20:33,880 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-29 14:20:33,880 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i1 [2024-01-29 14:20:33,880 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,881 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,881 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,881 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= tmp2 [2024-01-29 14:20:33,881 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-29 14:20:33,882 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i1 [2024-01-29 14:20:33,882 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= n1 [2024-01-29 14:20:33,882 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i2 [2024-01-29 14:20:33,882 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,882 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= n2 [2024-01-29 14:20:33,882 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,883 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,883 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= tmp1 [2024-01-29 14:20:33,883 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] tmp1 == 0 [2024-01-29 14:20:33,884 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] tmp2 == 0 [2024-01-29 14:20:33,884 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] e1 == (_Bool)0 [2024-01-29 14:20:33,884 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] n2 == 0 [2024-01-29 14:20:33,884 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] i1 == 0 [2024-01-29 14:20:33,884 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] n1 == 0 [2024-01-29 14:20:33,884 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] i == 0 [2024-01-29 14:20:33,885 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] e2 == (_Bool)0 [2024-01-29 14:20:33,885 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] i2 == 0 [2024-01-29 14:20:33,885 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,885 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,885 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,885 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= n2 [2024-01-29 14:20:33,893 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i [2024-01-29 14:20:33,894 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= tmp2 [2024-01-29 14:20:33,894 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i1 [2024-01-29 14:20:33,894 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,894 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= n1 [2024-01-29 14:20:33,894 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= tmp1 [2024-01-29 14:20:33,894 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i2 [2024-01-29 14:20:33,894 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= n2 [2024-01-29 14:20:33,894 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-29 14:20:33,895 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= n1 [2024-01-29 14:20:33,895 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,895 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,896 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= tmp2 [2024-01-29 14:20:33,896 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i1 [2024-01-29 14:20:33,896 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= tmp1 [2024-01-29 14:20:33,896 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,896 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i2 [2024-01-29 14:20:33,896 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,896 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= tmp1 [2024-01-29 14:20:33,896 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,896 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i [2024-01-29 14:20:33,897 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= n1 [2024-01-29 14:20:33,897 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i1 [2024-01-29 14:20:33,897 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,897 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= tmp2 [2024-01-29 14:20:33,897 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= n2 [2024-01-29 14:20:33,897 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i2 [2024-01-29 14:20:33,897 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,897 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= n1 [2024-01-29 14:20:33,897 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= n2 [2024-01-29 14:20:33,898 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= tmp1 [2024-01-29 14:20:33,898 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,898 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= i2 [2024-01-29 14:20:33,898 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,898 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= i [2024-01-29 14:20:33,898 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= i1 [2024-01-29 14:20:33,898 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,899 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] 0 <= tmp2 [2024-01-29 14:20:33,899 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,899 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= n2 [2024-01-29 14:20:33,900 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i1 [2024-01-29 14:20:33,900 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,900 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i2 [2024-01-29 14:20:33,900 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= tmp2 [2024-01-29 14:20:33,901 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= n1 [2024-01-29 14:20:33,901 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-29 14:20:33,901 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= tmp1 [2024-01-29 14:20:33,901 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,901 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,902 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= i1 [2024-01-29 14:20:33,902 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= n1 [2024-01-29 14:20:33,902 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= tmp1 [2024-01-29 14:20:33,902 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,902 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= tmp2 [2024-01-29 14:20:33,902 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,902 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= n2 [2024-01-29 14:20:33,903 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= i2 [2024-01-29 14:20:33,903 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] 0 <= i [2024-01-29 14:20:33,903 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,903 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,903 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i1 [2024-01-29 14:20:33,903 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,903 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,903 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= tmp2 [2024-01-29 14:20:33,903 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,904 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i [2024-01-29 14:20:33,904 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= tmp1 [2024-01-29 14:20:33,904 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] n1 == 0 [2024-01-29 14:20:33,904 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i2 [2024-01-29 14:20:33,904 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= n2 [2024-01-29 14:20:33,904 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,904 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= n1 [2024-01-29 14:20:33,904 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,904 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= tmp2 [2024-01-29 14:20:33,905 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= tmp1 [2024-01-29 14:20:33,905 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i1 [2024-01-29 14:20:33,905 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= n2 [2024-01-29 14:20:33,905 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i2 [2024-01-29 14:20:33,906 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i [2024-01-29 14:20:33,906 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,906 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,906 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] 0 <= i2 [2024-01-29 14:20:33,906 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] 0 <= n1 [2024-01-29 14:20:33,907 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,907 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] 0 <= tmp1 [2024-01-29 14:20:33,907 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] 0 <= n2 [2024-01-29 14:20:33,907 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] 0 <= i [2024-01-29 14:20:33,908 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,908 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] 0 <= i1 [2024-01-29 14:20:33,908 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] 0 <= tmp2 [2024-01-29 14:20:33,908 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,908 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,908 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,908 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,909 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,909 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,909 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,909 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= tmp2 [2024-01-29 14:20:33,909 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,910 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= n1 [2024-01-29 14:20:33,910 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i [2024-01-29 14:20:33,910 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= tmp1 [2024-01-29 14:20:33,910 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i1 [2024-01-29 14:20:33,910 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= i2 [2024-01-29 14:20:33,911 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] 0 <= n2 [2024-01-29 14:20:33,911 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,911 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] 0 <= n2 [2024-01-29 14:20:33,911 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] 0 <= i [2024-01-29 14:20:33,911 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] 0 <= i1 [2024-01-29 14:20:33,911 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] 0 <= i2 [2024-01-29 14:20:33,912 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] 0 <= tmp2 [2024-01-29 14:20:33,912 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,913 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,914 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,915 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] 1 <= n1 [2024-01-29 14:20:33,915 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] 0 <= tmp1 [2024-01-29 14:20:33,915 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,919 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= tmp2 [2024-01-29 14:20:33,919 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i1 [2024-01-29 14:20:33,919 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] n2 != 0 [2024-01-29 14:20:33,919 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,920 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,920 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 1 <= n2 [2024-01-29 14:20:33,920 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i2 [2024-01-29 14:20:33,920 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= n1 [2024-01-29 14:20:33,920 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= tmp1 [2024-01-29 14:20:33,920 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,920 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-29 14:20:33,920 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= n2 [2024-01-29 14:20:33,920 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= tmp1 [2024-01-29 14:20:33,920 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= i2 [2024-01-29 14:20:33,921 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= i [2024-01-29 14:20:33,921 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= tmp2 [2024-01-29 14:20:33,921 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,921 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,921 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= n1 [2024-01-29 14:20:33,922 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= i1 [2024-01-29 14:20:33,922 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,922 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= tmp2 [2024-01-29 14:20:33,922 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i [2024-01-29 14:20:33,922 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i1 [2024-01-29 14:20:33,922 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,922 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,923 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= i2 [2024-01-29 14:20:33,923 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= tmp1 [2024-01-29 14:20:33,923 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= n2 [2024-01-29 14:20:33,923 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,923 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] 0 <= n1 [2024-01-29 14:20:33,923 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,924 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] 0 <= i [2024-01-29 14:20:33,924 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] 0 <= tmp1 [2024-01-29 14:20:33,924 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] 0 <= i1 [2024-01-29 14:20:33,924 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] 0 <= n2 [2024-01-29 14:20:33,924 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,924 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,924 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] 0 <= tmp2 [2024-01-29 14:20:33,924 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] 0 <= n1 [2024-01-29 14:20:33,924 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] e1 == (_Bool)1 [2024-01-29 14:20:33,925 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] 0 <= i2 [2024-01-29 14:20:33,925 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,925 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,925 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= n1 [2024-01-29 14:20:33,925 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,926 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,926 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= tmp2 [2024-01-29 14:20:33,926 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= tmp1 [2024-01-29 14:20:33,926 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= n2 [2024-01-29 14:20:33,926 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= i2 [2024-01-29 14:20:33,926 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= i [2024-01-29 14:20:33,926 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,926 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] 0 <= i1 [2024-01-29 14:20:33,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= n2 [2024-01-29 14:20:33,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i2 [2024-01-29 14:20:33,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i [2024-01-29 14:20:33,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] e2 == (_Bool)0 [2024-01-29 14:20:33,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= tmp2 [2024-01-29 14:20:33,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= tmp1 [2024-01-29 14:20:33,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i1 [2024-01-29 14:20:33,927 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= n1 [2024-01-29 14:20:33,929 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= n1 [2024-01-29 14:20:33,929 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= tmp2 [2024-01-29 14:20:33,929 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,929 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= i2 [2024-01-29 14:20:33,929 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= tmp1 [2024-01-29 14:20:33,930 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= i [2024-01-29 14:20:33,931 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,931 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,931 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= n2 [2024-01-29 14:20:33,932 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] 0 <= i1 [2024-01-29 14:20:33,932 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-29 14:20:33,932 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= n2 [2024-01-29 14:20:33,932 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,932 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= tmp2 [2024-01-29 14:20:33,932 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 1 <= n1 [2024-01-29 14:20:33,932 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,932 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,932 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] n1 != 0 [2024-01-29 14:20:33,932 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i1 [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i2 [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= tmp1 [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i1 [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= n2 [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i2 [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= n1 [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= tmp1 [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,933 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= tmp2 [2024-01-29 14:20:33,934 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,934 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= n2 [2024-01-29 14:20:33,934 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= i1 [2024-01-29 14:20:33,934 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,934 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= tmp1 [2024-01-29 14:20:33,934 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= tmp2 [2024-01-29 14:20:33,934 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= i [2024-01-29 14:20:33,934 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,934 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= i2 [2024-01-29 14:20:33,934 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] 0 <= n1 [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= n2 [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= i1 [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= i2 [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= tmp1 [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= n1 [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 0 <= tmp2 [2024-01-29 14:20:33,935 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 1 <= i [2024-01-29 14:20:33,936 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= tmp1 [2024-01-29 14:20:33,936 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= n1 [2024-01-29 14:20:33,936 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= n2 [2024-01-29 14:20:33,936 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] e2 == (_Bool)1 [2024-01-29 14:20:33,936 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,936 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= tmp2 [2024-01-29 14:20:33,936 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i2 [2024-01-29 14:20:33,937 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,940 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-29 14:20:33,940 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i1 [2024-01-29 14:20:33,940 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,940 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,940 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= i [2024-01-29 14:20:33,942 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= i1 [2024-01-29 14:20:33,942 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= n1 [2024-01-29 14:20:33,942 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= n2 [2024-01-29 14:20:33,942 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,942 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= tmp1 [2024-01-29 14:20:33,942 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= i2 [2024-01-29 14:20:33,942 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] 0 <= tmp2 [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= i1 [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= n2 [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= n1 [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= i [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= tmp2 [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= tmp1 [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] 0 <= i2 [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i [2024-01-29 14:20:33,943 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,944 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,944 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i2 [2024-01-29 14:20:33,944 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= n1 [2024-01-29 14:20:33,944 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,944 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= n2 [2024-01-29 14:20:33,944 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= tmp2 [2024-01-29 14:20:33,945 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= i1 [2024-01-29 14:20:33,945 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] 0 <= tmp1 [2024-01-29 14:20:33,945 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= n2 [2024-01-29 14:20:33,945 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= tmp2 [2024-01-29 14:20:33,945 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,945 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i1 [2024-01-29 14:20:33,945 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,945 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,945 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= tmp1 [2024-01-29 14:20:33,945 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= n1 [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i2 [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 0 <= tmp1 [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 0 <= tmp2 [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 0 <= n1 [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 0 <= i1 [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 0 <= i2 [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 0 <= n2 [2024-01-29 14:20:33,946 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 0 <= i [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 1 <= i [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= n2 [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= n1 [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= tmp2 [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= tmp1 [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i1 [2024-01-29 14:20:33,947 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i2 [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= n1 [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= tmp2 [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i1 [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= tmp1 [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i2 [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] e1 == (_Bool)0 [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= n2 [2024-01-29 14:20:33,948 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= n2 [2024-01-29 14:20:33,949 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= tmp1 [2024-01-29 14:20:33,949 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= tmp2 [2024-01-29 14:20:33,949 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= i2 [2024-01-29 14:20:33,949 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] e2 == (_Bool)0 || e2 == (_Bool)1 [2024-01-29 14:20:33,949 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= n1 [2024-01-29 14:20:33,949 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-29 14:20:33,949 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= i [2024-01-29 14:20:33,949 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] 0 <= i1 [2024-01-29 14:20:33,949 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] e1 == (_Bool)0 || e1 == (_Bool)1 [2024-01-29 14:20:33,968 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:20:34,100 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c[3072,3085] [2024-01-29 14:20:34,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:20:34,111 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:20:34,226 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c[3072,3085] [2024-01-29 14:20:34,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:20:34,237 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:20:34,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34 WrapperNode [2024-01-29 14:20:34,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:20:34,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:20:34,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:20:34,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:20:34,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,278 INFO L138 Inliner]: procedures = 21, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 515 [2024-01-29 14:20:34,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:20:34,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:20:34,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:20:34,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:20:34,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,301 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-29 14:20:34,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:20:34,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:20:34,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:20:34,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:20:34,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (1/1) ... [2024-01-29 14:20:34,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:20:34,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:20:34,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 14:20:34,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 14:20:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:20:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:20:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:20:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:20:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:20:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:20:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:20:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:20:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:20:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:20:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:20:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:20:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:20:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:20:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:20:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:20:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:20:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:20:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:20:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:20:34,399 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:20:34,486 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:20:34,487 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:20:35,157 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:20:35,157 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:20:37,309 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:20:37,310 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:20:37,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:20:37 BoogieIcfgContainer [2024-01-29 14:20:37,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:20:37,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:20:37,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:20:37,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:20:37,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:20:32" (1/4) ... [2024-01-29 14:20:37,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b87e42 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:20:37, skipping insertion in model container [2024-01-29 14:20:37,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:20:33" (2/4) ... [2024-01-29 14:20:37,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b87e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:20:37, skipping insertion in model container [2024-01-29 14:20:37,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:34" (3/4) ... [2024-01-29 14:20:37,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b87e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:20:37, skipping insertion in model container [2024-01-29 14:20:37,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:20:37" (4/4) ... [2024-01-29 14:20:37,321 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy6.wvr.c [2024-01-29 14:20:37,337 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:20:37,337 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 392 error locations. [2024-01-29 14:20:37,337 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:20:37,591 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-29 14:20:37,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 460 places, 453 transitions, 920 flow [2024-01-29 14:20:37,787 INFO L124 PetriNetUnfolderBase]: 0/451 cut-off events. [2024-01-29 14:20:37,787 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 14:20:37,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 451 events. 0/451 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3080 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-29 14:20:37,790 INFO L82 GeneralOperation]: Start removeDead. Operand has 460 places, 453 transitions, 920 flow [2024-01-29 14:20:37,817 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 457 places, 450 transitions, 912 flow [2024-01-29 14:20:37,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:20:37,835 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;@346119cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:20:37,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 776 error locations. [2024-01-29 14:20:37,837 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:20:37,837 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:20:37,837 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:20:37,838 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:37,838 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:20:37,838 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:37,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:37,843 INFO L85 PathProgramCache]: Analyzing trace with hash 168824, now seen corresponding path program 1 times [2024-01-29 14:20:37,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:37,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330324755] [2024-01-29 14:20:37,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:37,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:38,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:38,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330324755] [2024-01-29 14:20:38,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330324755] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:38,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:38,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:38,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260766630] [2024-01-29 14:20:38,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:38,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:38,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:38,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:38,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:38,054 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 453 [2024-01-29 14:20:38,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 450 transitions, 912 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:38,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:38,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 453 [2024-01-29 14:20:38,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:42,273 INFO L124 PetriNetUnfolderBase]: 26847/47469 cut-off events. [2024-01-29 14:20:42,274 INFO L125 PetriNetUnfolderBase]: For 145/145 co-relation queries the response was YES. [2024-01-29 14:20:42,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92893 conditions, 47469 events. 26847/47469 cut-off events. For 145/145 co-relation queries the response was YES. Maximal size of possible extension queue 2133. Compared 501969 event pairs, 20007 based on Foata normal form. 0/13829 useless extension candidates. Maximal degree in co-relation 91997. Up to 32986 conditions per place. [2024-01-29 14:20:42,476 INFO L140 encePairwiseOnDemand]: 253/453 looper letters, 297 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2024-01-29 14:20:42,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 355 transitions, 1323 flow [2024-01-29 14:20:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:42,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 762 transitions. [2024-01-29 14:20:42,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5607064017660044 [2024-01-29 14:20:42,490 INFO L175 Difference]: Start difference. First operand has 457 places, 450 transitions, 912 flow. Second operand 3 states and 762 transitions. [2024-01-29 14:20:42,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 355 transitions, 1323 flow [2024-01-29 14:20:42,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 355 transitions, 1313 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 14:20:42,597 INFO L231 Difference]: Finished difference. Result has 267 places, 261 transitions, 550 flow [2024-01-29 14:20:42,599 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=267, PETRI_TRANSITIONS=261} [2024-01-29 14:20:42,601 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -190 predicate places. [2024-01-29 14:20:42,602 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 261 transitions, 550 flow [2024-01-29 14:20:42,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:42,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:42,602 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 14:20:42,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:20:42,603 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:42,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:42,603 INFO L85 PathProgramCache]: Analyzing trace with hash 5238950, now seen corresponding path program 1 times [2024-01-29 14:20:42,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:42,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40996966] [2024-01-29 14:20:42,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:42,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:42,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:42,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40996966] [2024-01-29 14:20:42,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40996966] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:42,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:42,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:42,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908880475] [2024-01-29 14:20:42,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:42,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:42,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:42,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:42,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:42,656 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 453 [2024-01-29 14:20:42,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 261 transitions, 550 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:42,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:42,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 453 [2024-01-29 14:20:42,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:45,360 INFO L124 PetriNetUnfolderBase]: 23976/43225 cut-off events. [2024-01-29 14:20:45,360 INFO L125 PetriNetUnfolderBase]: For 604/604 co-relation queries the response was YES. [2024-01-29 14:20:45,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85016 conditions, 43225 events. 23976/43225 cut-off events. For 604/604 co-relation queries the response was YES. Maximal size of possible extension queue 1996. Compared 458920 event pairs, 16236 based on Foata normal form. 1/13529 useless extension candidates. Maximal degree in co-relation 62301. Up to 27092 conditions per place. [2024-01-29 14:20:45,548 INFO L140 encePairwiseOnDemand]: 434/453 looper letters, 280 selfloop transitions, 3 changer transitions 0/339 dead transitions. [2024-01-29 14:20:45,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 339 transitions, 1273 flow [2024-01-29 14:20:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:45,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:45,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2024-01-29 14:20:45,550 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3502575423105224 [2024-01-29 14:20:45,550 INFO L175 Difference]: Start difference. First operand has 267 places, 261 transitions, 550 flow. Second operand 3 states and 476 transitions. [2024-01-29 14:20:45,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 339 transitions, 1273 flow [2024-01-29 14:20:45,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 339 transitions, 1269 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:45,558 INFO L231 Difference]: Finished difference. Result has 261 places, 254 transitions, 559 flow [2024-01-29 14:20:45,559 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=559, PETRI_PLACES=261, PETRI_TRANSITIONS=254} [2024-01-29 14:20:45,559 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -196 predicate places. [2024-01-29 14:20:45,560 INFO L495 AbstractCegarLoop]: Abstraction has has 261 places, 254 transitions, 559 flow [2024-01-29 14:20:45,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:45,560 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:45,560 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:20:45,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:20:45,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:45,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:45,567 INFO L85 PathProgramCache]: Analyzing trace with hash 162412929, now seen corresponding path program 1 times [2024-01-29 14:20:45,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:45,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909030710] [2024-01-29 14:20:45,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:45,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:45,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:45,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909030710] [2024-01-29 14:20:45,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909030710] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:45,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:45,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:45,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996291485] [2024-01-29 14:20:45,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:45,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:45,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:45,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:45,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:45,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 453 [2024-01-29 14:20:45,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 254 transitions, 559 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:45,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:45,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 453 [2024-01-29 14:20:45,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:48,267 INFO L124 PetriNetUnfolderBase]: 20448/37254 cut-off events. [2024-01-29 14:20:48,268 INFO L125 PetriNetUnfolderBase]: For 1501/1501 co-relation queries the response was YES. [2024-01-29 14:20:48,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73859 conditions, 37254 events. 20448/37254 cut-off events. For 1501/1501 co-relation queries the response was YES. Maximal size of possible extension queue 1693. Compared 388911 event pairs, 14861 based on Foata normal form. 0/12755 useless extension candidates. Maximal degree in co-relation 8355. Up to 24296 conditions per place. [2024-01-29 14:20:48,509 INFO L140 encePairwiseOnDemand]: 433/453 looper letters, 340 selfloop transitions, 3 changer transitions 0/397 dead transitions. [2024-01-29 14:20:48,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 397 transitions, 1555 flow [2024-01-29 14:20:48,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 534 transitions. [2024-01-29 14:20:48,511 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39293598233995586 [2024-01-29 14:20:48,511 INFO L175 Difference]: Start difference. First operand has 261 places, 254 transitions, 559 flow. Second operand 3 states and 534 transitions. [2024-01-29 14:20:48,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 397 transitions, 1555 flow [2024-01-29 14:20:48,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 397 transitions, 1545 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:48,518 INFO L231 Difference]: Finished difference. Result has 261 places, 255 transitions, 600 flow [2024-01-29 14:20:48,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=551, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=261, PETRI_TRANSITIONS=255} [2024-01-29 14:20:48,520 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -196 predicate places. [2024-01-29 14:20:48,520 INFO L495 AbstractCegarLoop]: Abstraction has has 261 places, 255 transitions, 600 flow [2024-01-29 14:20:48,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:48,520 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:48,520 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:20:48,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:20:48,521 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:48,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:48,521 INFO L85 PathProgramCache]: Analyzing trace with hash 739838682, now seen corresponding path program 1 times [2024-01-29 14:20:48,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:48,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038107973] [2024-01-29 14:20:48,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:48,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:48,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:48,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038107973] [2024-01-29 14:20:48,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038107973] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:48,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:48,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:48,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973521742] [2024-01-29 14:20:48,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:48,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:48,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:48,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:48,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:48,589 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 453 [2024-01-29 14:20:48,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 255 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:48,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:48,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 453 [2024-01-29 14:20:48,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:50,472 INFO L124 PetriNetUnfolderBase]: 16792/31168 cut-off events. [2024-01-29 14:20:50,473 INFO L125 PetriNetUnfolderBase]: For 1407/1407 co-relation queries the response was YES. [2024-01-29 14:20:50,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61989 conditions, 31168 events. 16792/31168 cut-off events. For 1407/1407 co-relation queries the response was YES. Maximal size of possible extension queue 1209. Compared 311317 event pairs, 7529 based on Foata normal form. 5/11702 useless extension candidates. Maximal degree in co-relation 42646. Up to 22660 conditions per place. [2024-01-29 14:20:50,727 INFO L140 encePairwiseOnDemand]: 424/453 looper letters, 307 selfloop transitions, 4 changer transitions 0/364 dead transitions. [2024-01-29 14:20:50,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 364 transitions, 1451 flow [2024-01-29 14:20:50,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:50,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 508 transitions. [2024-01-29 14:20:50,733 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37380426784400295 [2024-01-29 14:20:50,733 INFO L175 Difference]: Start difference. First operand has 261 places, 255 transitions, 600 flow. Second operand 3 states and 508 transitions. [2024-01-29 14:20:50,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 364 transitions, 1451 flow [2024-01-29 14:20:50,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 364 transitions, 1447 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:20:50,747 INFO L231 Difference]: Finished difference. Result has 254 places, 247 transitions, 631 flow [2024-01-29 14:20:50,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=254, PETRI_TRANSITIONS=247} [2024-01-29 14:20:50,749 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -203 predicate places. [2024-01-29 14:20:50,749 INFO L495 AbstractCegarLoop]: Abstraction has has 254 places, 247 transitions, 631 flow [2024-01-29 14:20:50,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:50,749 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:50,750 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 14:20:50,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:20:50,750 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:50,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:50,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1460167965, now seen corresponding path program 1 times [2024-01-29 14:20:50,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:50,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619762135] [2024-01-29 14:20:50,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:50,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:50,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:50,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619762135] [2024-01-29 14:20:50,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619762135] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:50,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:50,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:50,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393584103] [2024-01-29 14:20:50,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:50,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:50,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:50,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:50,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:50,798 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 453 [2024-01-29 14:20:50,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 247 transitions, 631 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:50,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:50,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 453 [2024-01-29 14:20:50,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:52,477 INFO L124 PetriNetUnfolderBase]: 14233/26321 cut-off events. [2024-01-29 14:20:52,477 INFO L125 PetriNetUnfolderBase]: For 4249/4249 co-relation queries the response was YES. [2024-01-29 14:20:52,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55641 conditions, 26321 events. 14233/26321 cut-off events. For 4249/4249 co-relation queries the response was YES. Maximal size of possible extension queue 1042. Compared 262611 event pairs, 9661 based on Foata normal form. 0/11935 useless extension candidates. Maximal degree in co-relation 43767. Up to 15282 conditions per place. [2024-01-29 14:20:52,605 INFO L140 encePairwiseOnDemand]: 434/453 looper letters, 260 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2024-01-29 14:20:52,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 314 transitions, 1329 flow [2024-01-29 14:20:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 448 transitions. [2024-01-29 14:20:52,607 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.329654157468727 [2024-01-29 14:20:52,607 INFO L175 Difference]: Start difference. First operand has 254 places, 247 transitions, 631 flow. Second operand 3 states and 448 transitions. [2024-01-29 14:20:52,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 314 transitions, 1329 flow [2024-01-29 14:20:52,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 314 transitions, 1319 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:52,659 INFO L231 Difference]: Finished difference. Result has 247 places, 239 transitions, 631 flow [2024-01-29 14:20:52,659 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=631, PETRI_PLACES=247, PETRI_TRANSITIONS=239} [2024-01-29 14:20:52,659 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -210 predicate places. [2024-01-29 14:20:52,660 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 239 transitions, 631 flow [2024-01-29 14:20:52,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:52,660 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:52,660 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:52,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:20:52,660 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:52,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:52,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1979427858, now seen corresponding path program 1 times [2024-01-29 14:20:52,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:52,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326058250] [2024-01-29 14:20:52,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:52,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:52,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:52,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326058250] [2024-01-29 14:20:52,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326058250] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:52,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:52,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:52,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042845159] [2024-01-29 14:20:52,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:52,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:52,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:52,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:52,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:52,695 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 453 [2024-01-29 14:20:52,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 239 transitions, 631 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:52,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:52,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 453 [2024-01-29 14:20:52,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:53,991 INFO L124 PetriNetUnfolderBase]: 11065/21000 cut-off events. [2024-01-29 14:20:53,991 INFO L125 PetriNetUnfolderBase]: For 2985/2985 co-relation queries the response was YES. [2024-01-29 14:20:54,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44294 conditions, 21000 events. 11065/21000 cut-off events. For 2985/2985 co-relation queries the response was YES. Maximal size of possible extension queue 1026. Compared 202510 event pairs, 5644 based on Foata normal form. 28/10335 useless extension candidates. Maximal degree in co-relation 29346. Up to 15350 conditions per place. [2024-01-29 14:20:54,108 INFO L140 encePairwiseOnDemand]: 434/453 looper letters, 247 selfloop transitions, 3 changer transitions 0/301 dead transitions. [2024-01-29 14:20:54,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 301 transitions, 1297 flow [2024-01-29 14:20:54,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:54,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:54,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2024-01-29 14:20:54,111 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3208241353936718 [2024-01-29 14:20:54,111 INFO L175 Difference]: Start difference. First operand has 247 places, 239 transitions, 631 flow. Second operand 3 states and 436 transitions. [2024-01-29 14:20:54,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 301 transitions, 1297 flow [2024-01-29 14:20:54,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 301 transitions, 1291 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:54,128 INFO L231 Difference]: Finished difference. Result has 238 places, 229 transitions, 628 flow [2024-01-29 14:20:54,128 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=238, PETRI_TRANSITIONS=229} [2024-01-29 14:20:54,131 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -219 predicate places. [2024-01-29 14:20:54,131 INFO L495 AbstractCegarLoop]: Abstraction has has 238 places, 229 transitions, 628 flow [2024-01-29 14:20:54,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:54,132 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:54,132 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:54,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:20:54,133 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:54,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:54,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1232716346, now seen corresponding path program 1 times [2024-01-29 14:20:54,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:54,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332313706] [2024-01-29 14:20:54,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:54,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:54,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:54,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332313706] [2024-01-29 14:20:54,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332313706] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:54,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:54,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:54,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715236225] [2024-01-29 14:20:54,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:54,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:54,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:54,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:54,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:54,294 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 453 [2024-01-29 14:20:54,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 229 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:54,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:54,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 453 [2024-01-29 14:20:54,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:55,633 INFO L124 PetriNetUnfolderBase]: 9498/18425 cut-off events. [2024-01-29 14:20:55,634 INFO L125 PetriNetUnfolderBase]: For 3908/3908 co-relation queries the response was YES. [2024-01-29 14:20:55,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40108 conditions, 18425 events. 9498/18425 cut-off events. For 3908/3908 co-relation queries the response was YES. Maximal size of possible extension queue 900. Compared 180131 event pairs, 5363 based on Foata normal form. 1/9644 useless extension candidates. Maximal degree in co-relation 26378. Up to 12237 conditions per place. [2024-01-29 14:20:55,722 INFO L140 encePairwiseOnDemand]: 434/453 looper letters, 231 selfloop transitions, 3 changer transitions 0/285 dead transitions. [2024-01-29 14:20:55,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 285 transitions, 1248 flow [2024-01-29 14:20:55,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:55,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 422 transitions. [2024-01-29 14:20:55,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3105224429727741 [2024-01-29 14:20:55,724 INFO L175 Difference]: Start difference. First operand has 238 places, 229 transitions, 628 flow. Second operand 3 states and 422 transitions. [2024-01-29 14:20:55,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 285 transitions, 1248 flow [2024-01-29 14:20:55,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 285 transitions, 1238 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:55,740 INFO L231 Difference]: Finished difference. Result has 232 places, 222 transitions, 633 flow [2024-01-29 14:20:55,740 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=633, PETRI_PLACES=232, PETRI_TRANSITIONS=222} [2024-01-29 14:20:55,741 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -225 predicate places. [2024-01-29 14:20:55,741 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 222 transitions, 633 flow [2024-01-29 14:20:55,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:55,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:55,742 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:55,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 14:20:55,742 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:55,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:55,742 INFO L85 PathProgramCache]: Analyzing trace with hash 440504296, now seen corresponding path program 1 times [2024-01-29 14:20:55,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:55,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061804642] [2024-01-29 14:20:55,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:55,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:55,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:55,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061804642] [2024-01-29 14:20:55,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061804642] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:55,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:55,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:55,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192046347] [2024-01-29 14:20:55,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:55,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:55,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:55,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:55,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:55,762 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 453 [2024-01-29 14:20:55,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 222 transitions, 633 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:55,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:55,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 453 [2024-01-29 14:20:55,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:56,958 INFO L124 PetriNetUnfolderBase]: 9160/18124 cut-off events. [2024-01-29 14:20:56,958 INFO L125 PetriNetUnfolderBase]: For 4241/4241 co-relation queries the response was YES. [2024-01-29 14:20:56,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39498 conditions, 18124 events. 9160/18124 cut-off events. For 4241/4241 co-relation queries the response was YES. Maximal size of possible extension queue 900. Compared 174737 event pairs, 3974 based on Foata normal form. 0/10736 useless extension candidates. Maximal degree in co-relation 25722. Up to 15019 conditions per place. [2024-01-29 14:20:57,042 INFO L140 encePairwiseOnDemand]: 443/453 looper letters, 198 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2024-01-29 14:20:57,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 249 transitions, 1111 flow [2024-01-29 14:20:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:57,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2024-01-29 14:20:57,044 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2781456953642384 [2024-01-29 14:20:57,045 INFO L175 Difference]: Start difference. First operand has 232 places, 222 transitions, 633 flow. Second operand 3 states and 378 transitions. [2024-01-29 14:20:57,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 249 transitions, 1111 flow [2024-01-29 14:20:57,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 249 transitions, 1101 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:57,063 INFO L231 Difference]: Finished difference. Result has 230 places, 219 transitions, 637 flow [2024-01-29 14:20:57,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=637, PETRI_PLACES=230, PETRI_TRANSITIONS=219} [2024-01-29 14:20:57,064 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -227 predicate places. [2024-01-29 14:20:57,064 INFO L495 AbstractCegarLoop]: Abstraction has has 230 places, 219 transitions, 637 flow [2024-01-29 14:20:57,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:57,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:57,065 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:57,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 14:20:57,065 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:57,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:57,065 INFO L85 PathProgramCache]: Analyzing trace with hash 770736471, now seen corresponding path program 1 times [2024-01-29 14:20:57,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:57,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855777152] [2024-01-29 14:20:57,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:57,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:57,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:57,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855777152] [2024-01-29 14:20:57,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855777152] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:57,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:57,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:57,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728466431] [2024-01-29 14:20:57,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:57,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:57,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:57,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:57,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:57,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 453 [2024-01-29 14:20:57,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 219 transitions, 637 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:57,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:57,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 453 [2024-01-29 14:20:57,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:58,328 INFO L124 PetriNetUnfolderBase]: 8835/17362 cut-off events. [2024-01-29 14:20:58,328 INFO L125 PetriNetUnfolderBase]: For 4187/4187 co-relation queries the response was YES. [2024-01-29 14:20:58,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38383 conditions, 17362 events. 8835/17362 cut-off events. For 4187/4187 co-relation queries the response was YES. Maximal size of possible extension queue 891. Compared 164830 event pairs, 4115 based on Foata normal form. 17/10814 useless extension candidates. Maximal degree in co-relation 34189. Up to 14831 conditions per place. [2024-01-29 14:20:58,407 INFO L140 encePairwiseOnDemand]: 442/453 looper letters, 192 selfloop transitions, 2 changer transitions 0/243 dead transitions. [2024-01-29 14:20:58,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 243 transitions, 1092 flow [2024-01-29 14:20:58,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2024-01-29 14:20:58,409 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2766740250183959 [2024-01-29 14:20:58,409 INFO L175 Difference]: Start difference. First operand has 230 places, 219 transitions, 637 flow. Second operand 3 states and 376 transitions. [2024-01-29 14:20:58,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 243 transitions, 1092 flow [2024-01-29 14:20:58,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 243 transitions, 1086 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:58,418 INFO L231 Difference]: Finished difference. Result has 228 places, 216 transitions, 645 flow [2024-01-29 14:20:58,418 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=645, PETRI_PLACES=228, PETRI_TRANSITIONS=216} [2024-01-29 14:20:58,419 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -229 predicate places. [2024-01-29 14:20:58,419 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 216 transitions, 645 flow [2024-01-29 14:20:58,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:58,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:58,419 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:58,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 14:20:58,420 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:58,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:58,420 INFO L85 PathProgramCache]: Analyzing trace with hash 120965701, now seen corresponding path program 1 times [2024-01-29 14:20:58,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:58,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654408110] [2024-01-29 14:20:58,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:58,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:58,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:58,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:58,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654408110] [2024-01-29 14:20:58,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654408110] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:58,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:58,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:20:58,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525450464] [2024-01-29 14:20:58,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:58,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:20:58,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:58,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:20:58,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:20:58,545 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 453 [2024-01-29 14:20:58,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 216 transitions, 645 flow. Second operand has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:58,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:58,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 453 [2024-01-29 14:20:58,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:59,667 INFO L124 PetriNetUnfolderBase]: 7644/14870 cut-off events. [2024-01-29 14:20:59,668 INFO L125 PetriNetUnfolderBase]: For 4414/4414 co-relation queries the response was YES. [2024-01-29 14:20:59,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33992 conditions, 14870 events. 7644/14870 cut-off events. For 4414/4414 co-relation queries the response was YES. Maximal size of possible extension queue 770. Compared 136623 event pairs, 4591 based on Foata normal form. 906/11220 useless extension candidates. Maximal degree in co-relation 21550. Up to 13695 conditions per place. [2024-01-29 14:20:59,731 INFO L140 encePairwiseOnDemand]: 432/453 looper letters, 179 selfloop transitions, 2 changer transitions 0/219 dead transitions. [2024-01-29 14:20:59,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 219 transitions, 1020 flow [2024-01-29 14:20:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:20:59,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:20:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 392 transitions. [2024-01-29 14:20:59,733 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2163355408388521 [2024-01-29 14:20:59,733 INFO L175 Difference]: Start difference. First operand has 228 places, 216 transitions, 645 flow. Second operand 4 states and 392 transitions. [2024-01-29 14:20:59,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 219 transitions, 1020 flow [2024-01-29 14:20:59,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 219 transitions, 1016 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:59,746 INFO L231 Difference]: Finished difference. Result has 210 places, 197 transitions, 607 flow [2024-01-29 14:20:59,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=607, PETRI_PLACES=210, PETRI_TRANSITIONS=197} [2024-01-29 14:20:59,747 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -247 predicate places. [2024-01-29 14:20:59,747 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 197 transitions, 607 flow [2024-01-29 14:20:59,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:59,747 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:59,747 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:59,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-29 14:20:59,747 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:20:59,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:59,748 INFO L85 PathProgramCache]: Analyzing trace with hash 271938898, now seen corresponding path program 1 times [2024-01-29 14:20:59,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:59,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122916658] [2024-01-29 14:20:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:59,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:59,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:59,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122916658] [2024-01-29 14:20:59,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122916658] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:59,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:59,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:20:59,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893922276] [2024-01-29 14:20:59,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:59,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:20:59,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:59,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:20:59,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:20:59,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 453 [2024-01-29 14:20:59,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 197 transitions, 607 flow. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:59,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:59,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 453 [2024-01-29 14:20:59,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:21:00,741 INFO L124 PetriNetUnfolderBase]: 6616/12640 cut-off events. [2024-01-29 14:21:00,742 INFO L125 PetriNetUnfolderBase]: For 4051/4051 co-relation queries the response was YES. [2024-01-29 14:21:00,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29484 conditions, 12640 events. 6616/12640 cut-off events. For 4051/4051 co-relation queries the response was YES. Maximal size of possible extension queue 692. Compared 112395 event pairs, 2676 based on Foata normal form. 772/10071 useless extension candidates. Maximal degree in co-relation 29452. Up to 11862 conditions per place. [2024-01-29 14:21:00,800 INFO L140 encePairwiseOnDemand]: 432/453 looper letters, 181 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2024-01-29 14:21:00,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 211 transitions, 1021 flow [2024-01-29 14:21:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:21:00,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:21:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 394 transitions. [2024-01-29 14:21:00,803 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.217439293598234 [2024-01-29 14:21:00,803 INFO L175 Difference]: Start difference. First operand has 210 places, 197 transitions, 607 flow. Second operand 4 states and 394 transitions. [2024-01-29 14:21:00,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 211 transitions, 1021 flow [2024-01-29 14:21:00,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 211 transitions, 1018 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:21:00,817 INFO L231 Difference]: Finished difference. Result has 192 places, 178 transitions, 568 flow [2024-01-29 14:21:00,817 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=453, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=568, PETRI_PLACES=192, PETRI_TRANSITIONS=178} [2024-01-29 14:21:00,817 INFO L281 CegarLoopForPetriNet]: 457 programPoint places, -265 predicate places. [2024-01-29 14:21:00,817 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 178 transitions, 568 flow [2024-01-29 14:21:00,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:21:00,818 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:21:00,818 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:21:00,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-29 14:21:00,818 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err30ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 773 more)] === [2024-01-29 14:21:00,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:21:00,819 INFO L85 PathProgramCache]: Analyzing trace with hash 217174189, now seen corresponding path program 1 times [2024-01-29 14:21:00,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:21:00,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514449012] [2024-01-29 14:21:00,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:21:00,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:21:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:21:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:21:00,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:21:00,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514449012] [2024-01-29 14:21:00,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514449012] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:21:00,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:21:00,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:21:00,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431496533] [2024-01-29 14:21:00,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:21:00,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:21:00,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:21:00,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:21:00,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:21:00,843 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 453 [2024-01-29 14:21:00,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 178 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:21:00,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:21:00,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 453 [2024-01-29 14:21:00,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand