./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/arithmetic_prog_ok.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/arithmetic_prog_ok.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-8857f20-m [2024-01-29 23:00:05,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 23:00:05,495 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 23:00:05,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 23:00:05,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 23:00:05,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 23:00:05,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 23:00:05,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 23:00:05,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 23:00:05,542 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 23:00:05,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 23:00:05,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 23:00:05,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 23:00:05,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 23:00:05,544 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 23:00:05,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 23:00:05,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 23:00:05,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 23:00:05,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 23:00:05,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 23:00:05,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 23:00:05,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 23:00:05,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 23:00:05,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 23:00:05,546 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 23:00:05,547 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 23:00:05,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 23:00:05,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 23:00:05,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 23:00:05,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 23:00:05,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 23:00:05,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 23:00:05,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:00:05,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 23:00:05,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 23:00:05,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 23:00:05,550 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 23:00:05,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 23:00:05,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 23:00:05,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 23:00:05,550 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 23:00:05,551 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 23:00:05,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 23:00:05,551 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 23:00:05,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 23:00:05,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 23:00:05,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 23:00:05,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 23:00:05,806 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 23:00:05,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-01-29 23:00:06,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 23:00:07,203 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 23:00:07,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-01-29 23:00:07,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def058a15/a2072570248840fca2023417ac842253/FLAGe37a7b1d5 [2024-01-29 23:00:07,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def058a15/a2072570248840fca2023417ac842253 [2024-01-29 23:00:07,243 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 23:00:07,244 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 23:00:07,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/arithmetic_prog_ok.yml/witness.yml [2024-01-29 23:00:07,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 23:00:07,360 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 23:00:07,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 23:00:07,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 23:00:07,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 23:00:07,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:00:07" (1/2) ... [2024-01-29 23:00:07,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b925911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:00:07, skipping insertion in model container [2024-01-29 23:00:07,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:00:07" (1/2) ... [2024-01-29 23:00:07,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ce89f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:00:07, skipping insertion in model container [2024-01-29 23:00:07,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:00:07" (2/2) ... [2024-01-29 23:00:07,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b925911 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:07, skipping insertion in model container [2024-01-29 23:00:07,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:00:07" (2/2) ... [2024-01-29 23:00:07,371 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 23:00:07,460 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 23:00:07,461 INFO L98 nessWitnessExtractor]: Location invariant before [L900-L900] (unsigned long )arg == 0UL [2024-01-29 23:00:07,462 INFO L98 nessWitnessExtractor]: Location invariant before [L900-L900] ((unsigned long )arg == 0UL) && ((0 == j && j == 0) || (1 <= j && j <= 3)) [2024-01-29 23:00:07,462 INFO L98 nessWitnessExtractor]: Location invariant after [L880-L881] num == 1 [2024-01-29 23:00:07,462 INFO L98 nessWitnessExtractor]: Loop invariant at [L880-L881] (0 <= num) && (num <= 1) [2024-01-29 23:00:07,462 INFO L98 nessWitnessExtractor]: Loop invariant at [L880-L881] ((0 <= num) && (num <= 1)) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,463 INFO L98 nessWitnessExtractor]: Location invariant after [L880-L881] (num == 1) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,463 INFO L98 nessWitnessExtractor]: Loop invariant at [L880-L881] ((0 <= num) && (num <= 1)) && (((((((((((((((((((((((((((((((((((((((((((((((1 <= i && i <= 3) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (1 <= i && i <= 3)) || (1 <= i && i <= 3)) [2024-01-29 23:00:07,463 INFO L98 nessWitnessExtractor]: Loop invariant at [L880-L881] 0 <= num [2024-01-29 23:00:07,463 INFO L98 nessWitnessExtractor]: Location invariant after [L880-L881] (num == 1) && (((((((((((((((((((((((((((((((((((((((((((((((1 <= i && i <= 3) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (0 == i && i == 0)) || (1 <= i && i <= 3)) || (1 <= i && i <= 3)) || (1 <= i && i <= 3)) [2024-01-29 23:00:07,463 INFO L98 nessWitnessExtractor]: Loop invariant at [L894-L895] (0 <= num) && (num <= 1) [2024-01-29 23:00:07,463 INFO L98 nessWitnessExtractor]: Location invariant after [L894-L895] (num == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,464 INFO L98 nessWitnessExtractor]: Loop invariant at [L894-L895] 0 <= num [2024-01-29 23:00:07,464 INFO L98 nessWitnessExtractor]: Location invariant after [L894-L895] ((num == 0) && ((unsigned long )arg == 0UL)) && ((((((((((((((((((((((((((((((((((((((((((((((((((((0 == j && j == 0) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) [2024-01-29 23:00:07,464 INFO L98 nessWitnessExtractor]: Location invariant after [L894-L895] num == 0 [2024-01-29 23:00:07,464 INFO L98 nessWitnessExtractor]: Loop invariant at [L894-L895] ((0 <= num) && (num <= 1)) && ((((((((((((((((((((((((((((((((((((((((((((((((((((0 == j && j == 0) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) || (0 == j && j == 0)) || (1 <= j && j <= 3)) [2024-01-29 23:00:07,464 INFO L98 nessWitnessExtractor]: Loop invariant at [L894-L895] ((0 <= num) && (num <= 1)) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,464 INFO L98 nessWitnessExtractor]: Loop invariant at [L892-L901] ((unsigned long )arg == 0UL) && ((0 == j && j == 0) || (1 <= j && j <= 4)) [2024-01-29 23:00:07,464 INFO L98 nessWitnessExtractor]: Loop invariant at [L892-L901] (unsigned long )arg == 0UL [2024-01-29 23:00:07,465 INFO L98 nessWitnessExtractor]: Location invariant before [L909-L909] num == 0 [2024-01-29 23:00:07,465 INFO L98 nessWitnessExtractor]: Location invariant before [L909-L909] (num == 0) && (flag == 0) [2024-01-29 23:00:07,465 INFO L98 nessWitnessExtractor]: Location invariant before [L909-L909] (num == 0) && (total == 0UL) [2024-01-29 23:00:07,465 INFO L98 nessWitnessExtractor]: Location invariant before [L908-L908] (num == 0) && (total == 0UL) [2024-01-29 23:00:07,465 INFO L98 nessWitnessExtractor]: Location invariant before [L908-L908] num == 0 [2024-01-29 23:00:07,466 INFO L98 nessWitnessExtractor]: Location invariant before [L908-L908] ((num == 0) && (total == 0UL)) && (flag == 0) [2024-01-29 23:00:07,466 INFO L98 nessWitnessExtractor]: Location invariant before [L912-L912] (num == 0) && (total == 0UL) [2024-01-29 23:00:07,466 INFO L98 nessWitnessExtractor]: Location invariant before [L912-L912] num == 0 [2024-01-29 23:00:07,466 INFO L98 nessWitnessExtractor]: Location invariant before [L912-L912] ((num == 0) && (total == 0UL)) && (flag == 0) [2024-01-29 23:00:07,466 INFO L98 nessWitnessExtractor]: Location invariant before [L911-L911] (num == 0) && (flag == 0) [2024-01-29 23:00:07,466 INFO L98 nessWitnessExtractor]: Location invariant before [L911-L911] num == 0 [2024-01-29 23:00:07,466 INFO L98 nessWitnessExtractor]: Location invariant before [L911-L911] (num == 0) && (total == 0UL) [2024-01-29 23:00:07,467 INFO L98 nessWitnessExtractor]: Location invariant before [L883-L883] (num == 1) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,467 INFO L98 nessWitnessExtractor]: Location invariant before [L883-L883] ((num == 1) && ((unsigned long )arg == 0UL)) && ((0 == i && i == 0) || (1 <= i && i <= 3)) [2024-01-29 23:00:07,467 INFO L98 nessWitnessExtractor]: Location invariant before [L883-L883] num == 1 [2024-01-29 23:00:07,467 INFO L98 nessWitnessExtractor]: Location invariant before [L884-L884] ((unsigned long )arg == 0UL) && ((0 == i && i == 0) || (1 <= i && i <= 3)) [2024-01-29 23:00:07,467 INFO L98 nessWitnessExtractor]: Location invariant before [L884-L884] (unsigned long )arg == 0UL [2024-01-29 23:00:07,467 INFO L98 nessWitnessExtractor]: Location invariant before [L893-L893] ((unsigned long )arg == 0UL) && ((0 == j && j == 0) || (1 <= j && j <= 3)) [2024-01-29 23:00:07,467 INFO L98 nessWitnessExtractor]: Location invariant before [L893-L893] (unsigned long )arg == 0UL [2024-01-29 23:00:07,467 INFO L98 nessWitnessExtractor]: Location invariant before [L897-L897] (num == 1) && ((0 == j && j == 0) || (1 <= j && j <= 3)) [2024-01-29 23:00:07,469 INFO L98 nessWitnessExtractor]: Location invariant before [L897-L897] num == 1 [2024-01-29 23:00:07,469 INFO L98 nessWitnessExtractor]: Location invariant before [L897-L897] (num == 1) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,469 INFO L98 nessWitnessExtractor]: Location invariant before [L877-L877] (unsigned long )arg == 0UL [2024-01-29 23:00:07,469 INFO L98 nessWitnessExtractor]: Location invariant before [L899-L899] (unsigned long )arg == 0UL [2024-01-29 23:00:07,469 INFO L98 nessWitnessExtractor]: Location invariant before [L899-L899] ((unsigned long )arg == 0UL) && ((0 == j && j == 0) || (1 <= j && j <= 3)) [2024-01-29 23:00:07,469 INFO L98 nessWitnessExtractor]: Location invariant before [L910-L910] num == 0 [2024-01-29 23:00:07,469 INFO L98 nessWitnessExtractor]: Location invariant before [L910-L910] (num == 0) && (flag == 0) [2024-01-29 23:00:07,470 INFO L98 nessWitnessExtractor]: Location invariant before [L910-L910] (num == 0) && (total == 0UL) [2024-01-29 23:00:07,470 INFO L98 nessWitnessExtractor]: Location invariant before [L887-L887] (i == 4) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,470 INFO L98 nessWitnessExtractor]: Location invariant before [L887-L887] i == 4 [2024-01-29 23:00:07,470 INFO L98 nessWitnessExtractor]: Location invariant before [L879-L879] ((unsigned long )arg == 0UL) && ((1 <= i && i <= 3) || (0 == i && i == 0)) [2024-01-29 23:00:07,470 INFO L98 nessWitnessExtractor]: Location invariant before [L879-L879] (unsigned long )arg == 0UL [2024-01-29 23:00:07,470 INFO L98 nessWitnessExtractor]: Location invariant before [L891-L891] (unsigned long )arg == 0UL [2024-01-29 23:00:07,471 INFO L98 nessWitnessExtractor]: Location invariant before [L898-L898] ((num == 0) && ((unsigned long )arg == 0UL)) && ((0 == j && j == 0) || (1 <= j && j <= 3)) [2024-01-29 23:00:07,471 INFO L98 nessWitnessExtractor]: Location invariant before [L898-L898] (num == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,471 INFO L98 nessWitnessExtractor]: Location invariant before [L898-L898] num == 0 [2024-01-29 23:00:07,471 INFO L98 nessWitnessExtractor]: Location invariant before [L896-L896] num == 1 [2024-01-29 23:00:07,472 INFO L98 nessWitnessExtractor]: Location invariant before [L896-L896] (num == 1) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,472 INFO L98 nessWitnessExtractor]: Location invariant before [L896-L896] (num == 1) && ((0 == j && j == 0) || (1 <= j && j <= 3)) [2024-01-29 23:00:07,473 INFO L98 nessWitnessExtractor]: Location invariant before [L885-L885] (unsigned long )arg == 0UL [2024-01-29 23:00:07,473 INFO L98 nessWitnessExtractor]: Location invariant before [L885-L885] ((unsigned long )arg == 0UL) && ((0 == i && i == 0) || (1 <= i && i <= 3)) [2024-01-29 23:00:07,473 INFO L98 nessWitnessExtractor]: Location invariant before [L904-L904] j == 4 [2024-01-29 23:00:07,473 INFO L98 nessWitnessExtractor]: Location invariant before [L904-L904] (j == 4) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,473 INFO L98 nessWitnessExtractor]: Location invariant before [L882-L882] (num == 0) && ((0 == i && i == 0) || (1 <= i && i <= 3)) [2024-01-29 23:00:07,473 INFO L98 nessWitnessExtractor]: Location invariant before [L882-L882] num == 0 [2024-01-29 23:00:07,473 INFO L98 nessWitnessExtractor]: Location invariant before [L882-L882] (num == 0) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,474 INFO L98 nessWitnessExtractor]: Location invariant before [L913-L913] (num == 0) && (total == 0UL) [2024-01-29 23:00:07,474 INFO L98 nessWitnessExtractor]: Location invariant before [L913-L913] ((num == 0) && (total == 0UL)) && (flag == 0) [2024-01-29 23:00:07,474 INFO L98 nessWitnessExtractor]: Location invariant before [L913-L913] num == 0 [2024-01-29 23:00:07,474 INFO L98 nessWitnessExtractor]: Location invariant before [L903-L903] j == 4 [2024-01-29 23:00:07,474 INFO L98 nessWitnessExtractor]: Location invariant before [L903-L903] (j == 4) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,474 INFO L98 nessWitnessExtractor]: Location invariant before [L902-L902] (j == 4) && ((unsigned long )arg == 0UL) [2024-01-29 23:00:07,474 INFO L98 nessWitnessExtractor]: Location invariant before [L902-L902] j == 4 [2024-01-29 23:00:07,474 INFO L98 nessWitnessExtractor]: Loop invariant at [L878-L886] ((unsigned long )arg == 0UL) && ((1 <= i && i <= 4) || (0 == i && i == 0)) [2024-01-29 23:00:07,475 INFO L98 nessWitnessExtractor]: Loop invariant at [L878-L886] (unsigned long )arg == 0UL [2024-01-29 23:00:07,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 23:00:07,920 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2024-01-29 23:00:07,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:00:07,946 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 [2024-01-29 23:00:08,105 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2024-01-29 23:00:08,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:00:08,172 INFO L206 MainTranslator]: Completed translation [2024-01-29 23:00:08,172 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08 WrapperNode [2024-01-29 23:00:08,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 23:00:08,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 23:00:08,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 23:00:08,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 23:00:08,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,233 INFO L138 Inliner]: procedures = 244, calls = 54, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 98 [2024-01-29 23:00:08,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 23:00:08,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 23:00:08,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 23:00:08,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 23:00:08,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,249 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,264 INFO L175 MemorySlicer]: Split 31 memory accesses to 7 slices as follows [2, 2, 1, 8, 8, 8, 2]. 26 percent of accesses are in the largest equivalence class. The 27 initializations are split as follows [2, 0, 1, 8, 8, 8, 0]. The 2 writes are split as follows [0, 1, 0, 0, 0, 0, 1]. [2024-01-29 23:00:08,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 23:00:08,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 23:00:08,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 23:00:08,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 23:00:08,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (1/1) ... [2024-01-29 23:00:08,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:00:08,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 23:00:08,365 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 23:00:08,404 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 23:00:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 23:00:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 23:00:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-01-29 23:00:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-01-29 23:00:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-01-29 23:00:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-01-29 23:00:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-01-29 23:00:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-01-29 23:00:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-01-29 23:00:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 23:00:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 23:00:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 23:00:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 23:00:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 23:00:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 23:00:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-29 23:00:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-01-29 23:00:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 23:00:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 23:00:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 23:00:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 23:00:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 23:00:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 23:00:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 23:00:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 23:00:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 23:00:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-29 23:00:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-01-29 23:00:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 23:00:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 23:00:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 23:00:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 23:00:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 23:00:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 23:00:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 23:00:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-29 23:00:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-01-29 23:00:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 23:00:08,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 23:00:08,424 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 23:00:08,566 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 23:00:08,567 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 23:00:08,979 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 23:00:08,979 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 23:00:09,131 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 23:00:09,131 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-29 23:00:09,132 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:00:09 BoogieIcfgContainer [2024-01-29 23:00:09,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 23:00:09,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 23:00:09,134 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 23:00:09,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 23:00:09,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:00:07" (1/4) ... [2024-01-29 23:00:09,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b07712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:00:09, skipping insertion in model container [2024-01-29 23:00:09,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:00:07" (2/4) ... [2024-01-29 23:00:09,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b07712 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 11:00:09, skipping insertion in model container [2024-01-29 23:00:09,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:00:08" (3/4) ... [2024-01-29 23:00:09,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b07712 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 11:00:09, skipping insertion in model container [2024-01-29 23:00:09,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:00:09" (4/4) ... [2024-01-29 23:00:09,142 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2024-01-29 23:00:09,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 23:00:09,156 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-01-29 23:00:09,156 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 23:00:09,252 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-29 23:00:09,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 210 transitions, 434 flow [2024-01-29 23:00:09,355 INFO L124 PetriNetUnfolderBase]: 6/208 cut-off events. [2024-01-29 23:00:09,356 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-29 23:00:09,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 208 events. 6/208 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 622 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 161. Up to 3 conditions per place. [2024-01-29 23:00:09,361 INFO L82 GeneralOperation]: Start removeDead. Operand has 211 places, 210 transitions, 434 flow [2024-01-29 23:00:09,370 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 204 transitions, 420 flow [2024-01-29 23:00:09,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 23:00:09,444 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;@3a0ea003, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 23:00:09,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 155 error locations. [2024-01-29 23:00:09,472 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 23:00:09,472 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 23:00:09,472 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:00:09,472 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:00:09,473 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 23:00:09,473 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-29 23:00:09,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:00:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash 20393, now seen corresponding path program 1 times [2024-01-29 23:00:09,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:00:09,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847351119] [2024-01-29 23:00:09,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:00:09,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:00:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:00:09,781 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 23:00:09,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:00:09,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847351119] [2024-01-29 23:00:09,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847351119] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:00:09,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:00:09,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 23:00:09,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210702606] [2024-01-29 23:00:09,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:00:09,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 23:00:09,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:00:09,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 23:00:09,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 23:00:10,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 210 [2024-01-29 23:00:10,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 204 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 23:00:10,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:00:10,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 210 [2024-01-29 23:00:10,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:00:10,293 INFO L124 PetriNetUnfolderBase]: 366/1366 cut-off events. [2024-01-29 23:00:10,293 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-01-29 23:00:10,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2032 conditions, 1366 events. 366/1366 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 9685 event pairs, 212 based on Foata normal form. 132/1229 useless extension candidates. Maximal degree in co-relation 1876. Up to 359 conditions per place. [2024-01-29 23:00:10,307 INFO L140 encePairwiseOnDemand]: 181/210 looper letters, 52 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2024-01-29 23:00:10,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 152 transitions, 427 flow [2024-01-29 23:00:10,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 23:00:10,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 23:00:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 468 transitions. [2024-01-29 23:00:10,323 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7428571428571429 [2024-01-29 23:00:10,324 INFO L175 Difference]: Start difference. First operand has 207 places, 204 transitions, 420 flow. Second operand 3 states and 468 transitions. [2024-01-29 23:00:10,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 152 transitions, 427 flow [2024-01-29 23:00:10,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 152 transitions, 417 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 23:00:10,331 INFO L231 Difference]: Finished difference. Result has 146 places, 143 transitions, 304 flow [2024-01-29 23:00:10,332 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=146, PETRI_TRANSITIONS=143} [2024-01-29 23:00:10,335 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -61 predicate places. [2024-01-29 23:00:10,335 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 143 transitions, 304 flow [2024-01-29 23:00:10,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 23:00:10,336 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:00:10,336 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:00:10,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 23:00:10,336 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-29 23:00:10,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:00:10,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1106105833, now seen corresponding path program 1 times [2024-01-29 23:00:10,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:00:10,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084415050] [2024-01-29 23:00:10,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:00:10,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:00:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:00:10,502 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 23:00:10,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:00:10,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084415050] [2024-01-29 23:00:10,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084415050] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:00:10,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:00:10,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 23:00:10,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547654914] [2024-01-29 23:00:10,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:00:10,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:00:10,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:00:10,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:00:10,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:00:10,574 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 210 [2024-01-29 23:00:10,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 143 transitions, 304 flow. Second operand has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 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 23:00:10,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:00:10,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 210 [2024-01-29 23:00:10,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:00:10,728 INFO L124 PetriNetUnfolderBase]: 256/1147 cut-off events. [2024-01-29 23:00:10,729 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-01-29 23:00:10,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1668 conditions, 1147 events. 256/1147 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 8235 event pairs, 9 based on Foata normal form. 56/977 useless extension candidates. Maximal degree in co-relation 911. Up to 416 conditions per place. [2024-01-29 23:00:10,734 INFO L140 encePairwiseOnDemand]: 202/210 looper letters, 42 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2024-01-29 23:00:10,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 149 transitions, 408 flow [2024-01-29 23:00:10,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:00:10,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:00:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 710 transitions. [2024-01-29 23:00:10,736 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8452380952380952 [2024-01-29 23:00:10,736 INFO L175 Difference]: Start difference. First operand has 146 places, 143 transitions, 304 flow. Second operand 4 states and 710 transitions. [2024-01-29 23:00:10,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 149 transitions, 408 flow [2024-01-29 23:00:10,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 149 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 23:00:10,739 INFO L231 Difference]: Finished difference. Result has 141 places, 137 transitions, 292 flow [2024-01-29 23:00:10,740 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=292, PETRI_PLACES=141, PETRI_TRANSITIONS=137} [2024-01-29 23:00:10,740 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -66 predicate places. [2024-01-29 23:00:10,741 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 137 transitions, 292 flow [2024-01-29 23:00:10,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 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 23:00:10,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:00:10,741 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:00:10,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 23:00:10,742 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-29 23:00:10,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:00:10,742 INFO L85 PathProgramCache]: Analyzing trace with hash -70456834, now seen corresponding path program 1 times [2024-01-29 23:00:10,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:00:10,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100073436] [2024-01-29 23:00:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:00:10,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:00:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:00:10,812 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 23:00:10,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:00:10,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100073436] [2024-01-29 23:00:10,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100073436] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:00:10,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:00:10,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 23:00:10,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908040817] [2024-01-29 23:00:10,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:00:10,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 23:00:10,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:00:10,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 23:00:10,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 23:00:10,880 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 210 [2024-01-29 23:00:10,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 137 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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 23:00:10,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:00:10,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 210 [2024-01-29 23:00:10,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:00:11,027 INFO L124 PetriNetUnfolderBase]: 281/1391 cut-off events. [2024-01-29 23:00:11,027 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-01-29 23:00:11,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1977 conditions, 1391 events. 281/1391 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9037 event pairs, 141 based on Foata normal form. 78/1237 useless extension candidates. Maximal degree in co-relation 1724. Up to 288 conditions per place. [2024-01-29 23:00:11,034 INFO L140 encePairwiseOnDemand]: 203/210 looper letters, 54 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2024-01-29 23:00:11,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 155 transitions, 442 flow [2024-01-29 23:00:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 23:00:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 23:00:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2024-01-29 23:00:11,037 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8539682539682539 [2024-01-29 23:00:11,037 INFO L175 Difference]: Start difference. First operand has 141 places, 137 transitions, 292 flow. Second operand 3 states and 538 transitions. [2024-01-29 23:00:11,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 155 transitions, 442 flow [2024-01-29 23:00:11,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 155 transitions, 439 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 23:00:11,039 INFO L231 Difference]: Finished difference. Result has 141 places, 137 transitions, 305 flow [2024-01-29 23:00:11,040 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=305, PETRI_PLACES=141, PETRI_TRANSITIONS=137} [2024-01-29 23:00:11,040 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -66 predicate places. [2024-01-29 23:00:11,041 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 137 transitions, 305 flow [2024-01-29 23:00:11,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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 23:00:11,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:00:11,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:00:11,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 23:00:11,042 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-29 23:00:11,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:00:11,042 INFO L85 PathProgramCache]: Analyzing trace with hash 2105686169, now seen corresponding path program 1 times [2024-01-29 23:00:11,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:00:11,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345186396] [2024-01-29 23:00:11,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:00:11,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:00:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:00:11,126 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 23:00:11,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:00:11,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345186396] [2024-01-29 23:00:11,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345186396] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:00:11,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:00:11,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 23:00:11,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665064834] [2024-01-29 23:00:11,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:00:11,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:00:11,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:00:11,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:00:11,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:00:11,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 210 [2024-01-29 23:00:11,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 137 transitions, 305 flow. Second operand has 4 states, 4 states have (on average 167.5) internal successors, (670), 4 states have internal predecessors, (670), 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 23:00:11,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:00:11,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 210 [2024-01-29 23:00:11,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:00:11,330 INFO L124 PetriNetUnfolderBase]: 262/1090 cut-off events. [2024-01-29 23:00:11,330 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-01-29 23:00:11,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1659 conditions, 1090 events. 262/1090 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6645 event pairs, 60 based on Foata normal form. 20/866 useless extension candidates. Maximal degree in co-relation 1410. Up to 411 conditions per place. [2024-01-29 23:00:11,334 INFO L140 encePairwiseOnDemand]: 205/210 looper letters, 40 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2024-01-29 23:00:11,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 143 transitions, 409 flow [2024-01-29 23:00:11,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:00:11,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:00:11,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 704 transitions. [2024-01-29 23:00:11,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8380952380952381 [2024-01-29 23:00:11,336 INFO L175 Difference]: Start difference. First operand has 141 places, 137 transitions, 305 flow. Second operand 4 states and 704 transitions. [2024-01-29 23:00:11,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 143 transitions, 409 flow [2024-01-29 23:00:11,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 143 transitions, 405 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 23:00:11,340 INFO L231 Difference]: Finished difference. Result has 140 places, 134 transitions, 301 flow [2024-01-29 23:00:11,341 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=301, PETRI_PLACES=140, PETRI_TRANSITIONS=134} [2024-01-29 23:00:11,342 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -67 predicate places. [2024-01-29 23:00:11,342 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 134 transitions, 301 flow [2024-01-29 23:00:11,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 167.5) internal successors, (670), 4 states have internal predecessors, (670), 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 23:00:11,343 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:00:11,343 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:00:11,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 23:00:11,343 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-29 23:00:11,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:00:11,344 INFO L85 PathProgramCache]: Analyzing trace with hash 851762581, now seen corresponding path program 1 times [2024-01-29 23:00:11,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:00:11,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30502541] [2024-01-29 23:00:11,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:00:11,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:00:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:00:11,404 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 23:00:11,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:00:11,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30502541] [2024-01-29 23:00:11,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30502541] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:00:11,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:00:11,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 23:00:11,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260655479] [2024-01-29 23:00:11,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:00:11,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 23:00:11,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:00:11,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 23:00:11,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 23:00:11,478 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 210 [2024-01-29 23:00:11,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 134 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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 23:00:11,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:00:11,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 210 [2024-01-29 23:00:11,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:00:11,532 INFO L124 PetriNetUnfolderBase]: 87/395 cut-off events. [2024-01-29 23:00:11,532 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-01-29 23:00:11,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 601 conditions, 395 events. 87/395 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1932 event pairs, 25 based on Foata normal form. 30/371 useless extension candidates. Maximal degree in co-relation 421. Up to 92 conditions per place. [2024-01-29 23:00:11,534 INFO L140 encePairwiseOnDemand]: 206/210 looper letters, 22 selfloop transitions, 1 changer transitions 0/69 dead transitions. [2024-01-29 23:00:11,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 69 transitions, 197 flow [2024-01-29 23:00:11,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 23:00:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 23:00:11,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 497 transitions. [2024-01-29 23:00:11,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7888888888888889 [2024-01-29 23:00:11,536 INFO L175 Difference]: Start difference. First operand has 140 places, 134 transitions, 301 flow. Second operand 3 states and 497 transitions. [2024-01-29 23:00:11,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 69 transitions, 197 flow [2024-01-29 23:00:11,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 69 transitions, 191 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 23:00:11,537 INFO L231 Difference]: Finished difference. Result has 71 places, 64 transitions, 135 flow [2024-01-29 23:00:11,537 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=135, PETRI_PLACES=71, PETRI_TRANSITIONS=64} [2024-01-29 23:00:11,539 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -136 predicate places. [2024-01-29 23:00:11,539 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 64 transitions, 135 flow [2024-01-29 23:00:11,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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 23:00:11,540 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:00:11,540 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:00:11,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 23:00:11,540 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-29 23:00:11,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:00:11,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1584903898, now seen corresponding path program 1 times [2024-01-29 23:00:11,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:00:11,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327569846] [2024-01-29 23:00:11,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:00:11,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:00:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:00:11,625 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 23:00:11,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:00:11,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327569846] [2024-01-29 23:00:11,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327569846] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:00:11,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:00:11,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 23:00:11,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143004051] [2024-01-29 23:00:11,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:00:11,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:00:11,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:00:11,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:00:11,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:00:11,824 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 210 [2024-01-29 23:00:11,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 64 transitions, 135 flow. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 23:00:11,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:00:11,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 210 [2024-01-29 23:00:11,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:00:11,886 INFO L124 PetriNetUnfolderBase]: 199/558 cut-off events. [2024-01-29 23:00:11,886 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-01-29 23:00:11,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1018 conditions, 558 events. 199/558 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2718 event pairs, 27 based on Foata normal form. 0/514 useless extension candidates. Maximal degree in co-relation 801. Up to 296 conditions per place. [2024-01-29 23:00:11,888 INFO L140 encePairwiseOnDemand]: 207/210 looper letters, 45 selfloop transitions, 2 changer transitions 0/72 dead transitions. [2024-01-29 23:00:11,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 72 transitions, 249 flow [2024-01-29 23:00:11,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:00:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:00:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 448 transitions. [2024-01-29 23:00:11,890 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-01-29 23:00:11,890 INFO L175 Difference]: Start difference. First operand has 71 places, 64 transitions, 135 flow. Second operand 4 states and 448 transitions. [2024-01-29 23:00:11,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 72 transitions, 249 flow [2024-01-29 23:00:11,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 72 transitions, 247 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 23:00:11,891 INFO L231 Difference]: Finished difference. Result has 72 places, 63 transitions, 136 flow [2024-01-29 23:00:11,892 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=72, PETRI_TRANSITIONS=63} [2024-01-29 23:00:11,892 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -135 predicate places. [2024-01-29 23:00:11,892 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 63 transitions, 136 flow [2024-01-29 23:00:11,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 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 23:00:11,893 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:00:11,893 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:00:11,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 23:00:11,893 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-29 23:00:11,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:00:11,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1887379851, now seen corresponding path program 1 times [2024-01-29 23:00:11,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:00:11,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865334384] [2024-01-29 23:00:11,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:00:11,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:00:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:00:11,947 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 23:00:11,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:00:11,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865334384] [2024-01-29 23:00:11,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865334384] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:00:11,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:00:11,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 23:00:11,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943918498] [2024-01-29 23:00:11,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:00:11,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:00:11,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:00:11,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:00:11,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:00:12,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 210 [2024-01-29 23:00:12,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 63 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 23:00:12,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:00:12,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 210 [2024-01-29 23:00:12,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:00:12,198 INFO L124 PetriNetUnfolderBase]: 94/437 cut-off events. [2024-01-29 23:00:12,198 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-01-29 23:00:12,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 437 events. 94/437 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2197 event pairs, 27 based on Foata normal form. 16/437 useless extension candidates. Maximal degree in co-relation 501. Up to 111 conditions per place. [2024-01-29 23:00:12,200 INFO L140 encePairwiseOnDemand]: 207/210 looper letters, 40 selfloop transitions, 2 changer transitions 0/71 dead transitions. [2024-01-29 23:00:12,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 71 transitions, 239 flow [2024-01-29 23:00:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:00:12,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:00:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 507 transitions. [2024-01-29 23:00:12,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6035714285714285 [2024-01-29 23:00:12,202 INFO L175 Difference]: Start difference. First operand has 72 places, 63 transitions, 136 flow. Second operand 4 states and 507 transitions. [2024-01-29 23:00:12,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 71 transitions, 239 flow [2024-01-29 23:00:12,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 71 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 23:00:12,204 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 135 flow [2024-01-29 23:00:12,204 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2024-01-29 23:00:12,205 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -135 predicate places. [2024-01-29 23:00:12,205 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 135 flow [2024-01-29 23:00:12,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 23:00:12,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:00:12,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:00:12,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 23:00:12,206 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-29 23:00:12,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:00:12,206 INFO L85 PathProgramCache]: Analyzing trace with hash 597137929, now seen corresponding path program 1 times [2024-01-29 23:00:12,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:00:12,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870817601] [2024-01-29 23:00:12,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:00:12,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:00:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:00:12,287 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 23:00:12,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:00:12,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870817601] [2024-01-29 23:00:12,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870817601] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:00:12,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:00:12,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 23:00:12,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255649583] [2024-01-29 23:00:12,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:00:12,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:00:12,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:00:12,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:00:12,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:00:12,479 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 210 [2024-01-29 23:00:12,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 135 flow. Second operand has 4 states, 4 states have (on average 121.5) internal successors, (486), 4 states have internal predecessors, (486), 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 23:00:12,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:00:12,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 210 [2024-01-29 23:00:12,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:00:12,525 INFO L124 PetriNetUnfolderBase]: 100/382 cut-off events. [2024-01-29 23:00:12,525 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-01-29 23:00:12,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 382 events. 100/382 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1746 event pairs, 25 based on Foata normal form. 20/374 useless extension candidates. Maximal degree in co-relation 465. Up to 115 conditions per place. [2024-01-29 23:00:12,527 INFO L140 encePairwiseOnDemand]: 206/210 looper letters, 36 selfloop transitions, 2 changer transitions 0/65 dead transitions. [2024-01-29 23:00:12,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 65 transitions, 222 flow [2024-01-29 23:00:12,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:00:12,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:00:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 500 transitions. [2024-01-29 23:00:12,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2024-01-29 23:00:12,528 INFO L175 Difference]: Start difference. First operand has 72 places, 62 transitions, 135 flow. Second operand 4 states and 500 transitions. [2024-01-29 23:00:12,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 65 transitions, 222 flow [2024-01-29 23:00:12,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 65 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 23:00:12,530 INFO L231 Difference]: Finished difference. Result has 71 places, 60 transitions, 132 flow [2024-01-29 23:00:12,530 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=132, PETRI_PLACES=71, PETRI_TRANSITIONS=60} [2024-01-29 23:00:12,531 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -136 predicate places. [2024-01-29 23:00:12,532 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 60 transitions, 132 flow [2024-01-29 23:00:12,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.5) internal successors, (486), 4 states have internal predecessors, (486), 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 23:00:12,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:00:12,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:00:12,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 23:00:12,533 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-29 23:00:12,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:00:12,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1331407427, now seen corresponding path program 1 times [2024-01-29 23:00:12,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:00:12,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083165664] [2024-01-29 23:00:12,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:00:12,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:00:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:00:12,597 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 23:00:12,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:00:12,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083165664] [2024-01-29 23:00:12,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083165664] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:00:12,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:00:12,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 23:00:12,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991305596] [2024-01-29 23:00:12,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:00:12,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 23:00:12,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:00:12,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 23:00:12,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-29 23:00:12,794 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 210 [2024-01-29 23:00:12,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 60 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 104.5) internal successors, (418), 4 states have internal predecessors, (418), 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 23:00:12,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:00:12,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 210 [2024-01-29 23:00:12,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 23:00:12,845 INFO L124 PetriNetUnfolderBase]: 165/427 cut-off events. [2024-01-29 23:00:12,846 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:00:12,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 427 events. 165/427 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1918 event pairs, 25 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 635. Up to 240 conditions per place. [2024-01-29 23:00:12,847 INFO L140 encePairwiseOnDemand]: 206/210 looper letters, 42 selfloop transitions, 2 changer transitions 0/63 dead transitions. [2024-01-29 23:00:12,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 63 transitions, 230 flow [2024-01-29 23:00:12,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 23:00:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 23:00:12,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 434 transitions. [2024-01-29 23:00:12,849 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5166666666666667 [2024-01-29 23:00:12,849 INFO L175 Difference]: Start difference. First operand has 71 places, 60 transitions, 132 flow. Second operand 4 states and 434 transitions. [2024-01-29 23:00:12,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 63 transitions, 230 flow [2024-01-29 23:00:12,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 63 transitions, 227 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 23:00:12,851 INFO L231 Difference]: Finished difference. Result has 70 places, 58 transitions, 129 flow [2024-01-29 23:00:12,851 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=70, PETRI_TRANSITIONS=58} [2024-01-29 23:00:12,852 INFO L281 CegarLoopForPetriNet]: 207 programPoint places, -137 predicate places. [2024-01-29 23:00:12,852 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 58 transitions, 129 flow [2024-01-29 23:00:12,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.5) internal successors, (418), 4 states have internal predecessors, (418), 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 23:00:12,852 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:00:12,853 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:00:12,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 23:00:12,853 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 152 more)] === [2024-01-29 23:00:12,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:00:12,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1515541269, now seen corresponding path program 1 times [2024-01-29 23:00:12,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:00:12,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058822935] [2024-01-29 23:00:12,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:00:12,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:00:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 23:00:12,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 23:00:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 23:00:12,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 23:00:12,915 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 23:00:12,916 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 155 remaining) [2024-01-29 23:00:12,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 155 remaining) [2024-01-29 23:00:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (152 of 155 remaining) [2024-01-29 23:00:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 155 remaining) [2024-01-29 23:00:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 155 remaining) [2024-01-29 23:00:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 155 remaining) [2024-01-29 23:00:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 155 remaining) [2024-01-29 23:00:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 155 remaining) [2024-01-29 23:00:12,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 155 remaining) [2024-01-29 23:00:12,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 155 remaining) [2024-01-29 23:00:12,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 155 remaining) [2024-01-29 23:00:12,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 155 remaining) [2024-01-29 23:00:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 155 remaining) [2024-01-29 23:00:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 155 remaining) [2024-01-29 23:00:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 155 remaining) [2024-01-29 23:00:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 155 remaining) [2024-01-29 23:00:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 155 remaining) [2024-01-29 23:00:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 155 remaining) [2024-01-29 23:00:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 155 remaining) [2024-01-29 23:00:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 155 remaining) [2024-01-29 23:00:12,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 155 remaining) [2024-01-29 23:00:12,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 155 remaining) [2024-01-29 23:00:12,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 155 remaining) [2024-01-29 23:00:12,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 155 remaining) [2024-01-29 23:00:12,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 155 remaining) [2024-01-29 23:00:12,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 155 remaining) [2024-01-29 23:00:12,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 155 remaining) [2024-01-29 23:00:12,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 155 remaining) [2024-01-29 23:00:12,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 155 remaining) [2024-01-29 23:00:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 155 remaining) [2024-01-29 23:00:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 155 remaining) [2024-01-29 23:00:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 155 remaining) [2024-01-29 23:00:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 155 remaining) [2024-01-29 23:00:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 155 remaining) [2024-01-29 23:00:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 155 remaining) [2024-01-29 23:00:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err31ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 155 remaining) [2024-01-29 23:00:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 155 remaining) [2024-01-29 23:00:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err32ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 155 remaining) [2024-01-29 23:00:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err33ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 155 remaining) [2024-01-29 23:00:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err34ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 155 remaining) [2024-01-29 23:00:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 155 remaining) [2024-01-29 23:00:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err35ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 155 remaining) [2024-01-29 23:00:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 155 remaining) [2024-01-29 23:00:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err36ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 155 remaining) [2024-01-29 23:00:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 155 remaining) [2024-01-29 23:00:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 155 remaining) [2024-01-29 23:00:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 155 remaining) [2024-01-29 23:00:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 155 remaining) [2024-01-29 23:00:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 155 remaining) [2024-01-29 23:00:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 155 remaining) [2024-01-29 23:00:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 155 remaining) [2024-01-29 23:00:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 155 remaining) [2024-01-29 23:00:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 155 remaining) [2024-01-29 23:00:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 155 remaining) [2024-01-29 23:00:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 155 remaining) [2024-01-29 23:00:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 155 remaining) [2024-01-29 23:00:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 155 remaining) [2024-01-29 23:00:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 155 remaining) [2024-01-29 23:00:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 155 remaining) [2024-01-29 23:00:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 155 remaining) [2024-01-29 23:00:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 155 remaining) [2024-01-29 23:00:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 155 remaining) [2024-01-29 23:00:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 155 remaining) [2024-01-29 23:00:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 155 remaining) [2024-01-29 23:00:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err27ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 155 remaining) [2024-01-29 23:00:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err28ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 155 remaining) [2024-01-29 23:00:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err29ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 155 remaining) [2024-01-29 23:00:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err30ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 155 remaining) [2024-01-29 23:00:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 155 remaining) [2024-01-29 23:00:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 155 remaining) [2024-01-29 23:00:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 155 remaining) [2024-01-29 23:00:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 155 remaining) [2024-01-29 23:00:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 155 remaining) [2024-01-29 23:00:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 155 remaining) [2024-01-29 23:00:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 155 remaining) [2024-01-29 23:00:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 155 remaining) [2024-01-29 23:00:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 155 remaining) [2024-01-29 23:00:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 155 remaining) [2024-01-29 23:00:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 155 remaining) [2024-01-29 23:00:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 155 remaining) [2024-01-29 23:00:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 155 remaining) [2024-01-29 23:00:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 155 remaining) [2024-01-29 23:00:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 155 remaining) [2024-01-29 23:00:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 155 remaining) [2024-01-29 23:00:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 155 remaining) [2024-01-29 23:00:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 155 remaining) [2024-01-29 23:00:12,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (68 of 155 remaining) [2024-01-29 23:00:12,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (67 of 155 remaining) [2024-01-29 23:00:12,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (66 of 155 remaining) [2024-01-29 23:00:12,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 155 remaining) [2024-01-29 23:00:12,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 155 remaining) [2024-01-29 23:00:12,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 155 remaining) [2024-01-29 23:00:12,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 155 remaining) [2024-01-29 23:00:12,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 155 remaining) [2024-01-29 23:00:12,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 155 remaining) [2024-01-29 23:00:12,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 155 remaining) [2024-01-29 23:00:12,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 155 remaining) [2024-01-29 23:00:12,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 155 remaining) [2024-01-29 23:00:12,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 155 remaining) [2024-01-29 23:00:12,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 155 remaining) [2024-01-29 23:00:12,940 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 155 remaining) [2024-01-29 23:00:12,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 155 remaining) [2024-01-29 23:00:12,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 155 remaining) [2024-01-29 23:00:12,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 155 remaining) [2024-01-29 23:00:12,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 155 remaining) [2024-01-29 23:00:12,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 155 remaining) [2024-01-29 23:00:12,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 155 remaining) [2024-01-29 23:00:12,941 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 155 remaining) [2024-01-29 23:00:12,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 155 remaining) [2024-01-29 23:00:12,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 155 remaining) [2024-01-29 23:00:12,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 155 remaining) [2024-01-29 23:00:12,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 155 remaining) [2024-01-29 23:00:12,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 155 remaining) [2024-01-29 23:00:12,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 155 remaining) [2024-01-29 23:00:12,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 155 remaining) [2024-01-29 23:00:12,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 155 remaining) [2024-01-29 23:00:12,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 155 remaining) [2024-01-29 23:00:12,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 155 remaining) [2024-01-29 23:00:12,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 155 remaining) [2024-01-29 23:00:12,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 155 remaining) [2024-01-29 23:00:12,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 155 remaining) [2024-01-29 23:00:12,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 155 remaining) [2024-01-29 23:00:12,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err31ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 155 remaining) [2024-01-29 23:00:12,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 155 remaining) [2024-01-29 23:00:12,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err32ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 155 remaining) [2024-01-29 23:00:12,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err33ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 155 remaining) [2024-01-29 23:00:12,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err34ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 155 remaining) [2024-01-29 23:00:12,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 155 remaining) [2024-01-29 23:00:12,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err35ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 155 remaining) [2024-01-29 23:00:12,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 155 remaining) [2024-01-29 23:00:12,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err36ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 155 remaining) [2024-01-29 23:00:12,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 155 remaining) [2024-01-29 23:00:12,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 155 remaining) [2024-01-29 23:00:12,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 155 remaining) [2024-01-29 23:00:12,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 155 remaining) [2024-01-29 23:00:12,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 155 remaining) [2024-01-29 23:00:12,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 155 remaining) [2024-01-29 23:00:12,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 155 remaining) [2024-01-29 23:00:12,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 155 remaining) [2024-01-29 23:00:12,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 155 remaining) [2024-01-29 23:00:12,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 155 remaining) [2024-01-29 23:00:12,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 155 remaining) [2024-01-29 23:00:12,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 155 remaining) [2024-01-29 23:00:12,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 155 remaining) [2024-01-29 23:00:12,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 155 remaining) [2024-01-29 23:00:12,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 155 remaining) [2024-01-29 23:00:12,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 155 remaining) [2024-01-29 23:00:12,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 155 remaining) [2024-01-29 23:00:12,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 155 remaining) [2024-01-29 23:00:12,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 155 remaining) [2024-01-29 23:00:12,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 155 remaining) [2024-01-29 23:00:12,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err27ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 155 remaining) [2024-01-29 23:00:12,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err28ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 155 remaining) [2024-01-29 23:00:12,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err29ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 155 remaining) [2024-01-29 23:00:12,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err30ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 155 remaining) [2024-01-29 23:00:12,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-29 23:00:12,950 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 23:00:12,956 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 23:00:12,957 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 23:00:13,012 INFO L503 ceAbstractionStarter]: Automizer considered 85 witness invariants [2024-01-29 23:00:13,012 INFO L504 ceAbstractionStarter]: WitnessConsidered=85 [2024-01-29 23:00:13,014 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:00:13 BasicIcfg [2024-01-29 23:00:13,014 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 23:00:13,014 INFO L158 Benchmark]: Toolchain (without parser) took 5654.02ms. Allocated memory was 144.7MB in the beginning and 266.3MB in the end (delta: 121.6MB). Free memory was 67.5MB in the beginning and 208.8MB in the end (delta: -141.3MB). Peak memory consumption was 123.5MB. Max. memory is 16.1GB. [2024-01-29 23:00:13,014 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:00:13,014 INFO L158 Benchmark]: Witness Parser took 5.76ms. Allocated memory is still 144.7MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 23:00:13,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.89ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 67.3MB in the beginning and 124.6MB in the end (delta: -57.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-01-29 23:00:13,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.58ms. Allocated memory is still 180.4MB. Free memory was 124.6MB in the beginning and 121.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 23:00:13,015 INFO L158 Benchmark]: Boogie Preprocessor took 73.78ms. Allocated memory is still 180.4MB. Free memory was 121.6MB in the beginning and 117.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 23:00:13,015 INFO L158 Benchmark]: RCFGBuilder took 823.58ms. Allocated memory is still 180.4MB. Free memory was 117.4MB in the beginning and 112.7MB in the end (delta: 4.6MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-01-29 23:00:13,016 INFO L158 Benchmark]: TraceAbstraction took 3879.51ms. Allocated memory was 180.4MB in the beginning and 266.3MB in the end (delta: 86.0MB). Free memory was 112.7MB in the beginning and 208.8MB in the end (delta: -96.1MB). Peak memory consumption was 130.4MB. Max. memory is 16.1GB. [2024-01-29 23:00:13,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 5.76ms. Allocated memory is still 144.7MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.89ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 67.3MB in the beginning and 124.6MB in the end (delta: -57.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.58ms. Allocated memory is still 180.4MB. Free memory was 124.6MB in the beginning and 121.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.78ms. Allocated memory is still 180.4MB. Free memory was 121.6MB in the beginning and 117.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 823.58ms. Allocated memory is still 180.4MB. Free memory was 117.4MB in the beginning and 112.7MB in the end (delta: 4.6MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3879.51ms. Allocated memory was 180.4MB in the beginning and 266.3MB in the end (delta: 86.0MB). Free memory was 112.7MB in the beginning and 208.8MB in the end (delta: -96.1MB). Peak memory consumption was 130.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 880]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L870] 0 int num; [L871] 0 unsigned long total; [L872] 0 int flag; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L873] 0 pthread_mutex_t m; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L874] 0 pthread_cond_t empty, full; [L907] 0 pthread_t t1, t2; VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L908] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]],BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L908] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L908] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]]] [L908] 0 num = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L909] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L909] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L909] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] [L909] 0 total = 0 VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L910] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L910] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L910] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] [L911] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L911] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L911] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L912] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]],BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L912] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L912] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L913] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L913] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]],BinaryExpression[COMPEQ,IdentifierExpression[flag],IntegerLiteral[0]]]]] VAL [empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L913] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[total],IntegerLiteral[0UL]]]]] [L913] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, t1={7:0}, t2={6:0}, total=0] [L876] 1 int i; VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, m={3:0}, num=0, total=0] [L877] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] [L877] 1 i = 0 VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L878] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]],BinaryExpression[LOGICOR,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[4]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L878] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L878] COND TRUE 1 i < 4 VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L879] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L879] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]],BinaryExpression[LOGICOR,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[num]],BinaryExpression[COMPLEQ,IdentifierExpression[num],IntegerLiteral[1]]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[num]],BinaryExpression[COMPLEQ,IdentifierExpression[num],IntegerLiteral[1]]],BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[arg]],IntegerLiteral[0UL]]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[num]],BinaryExpression[COMPLEQ,IdentifierExpression[num],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICOR,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IntegerLiteral[0],IdentifierExpression[i]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[i]],BinaryExpression[COMPLEQ,IdentifierExpression[i],IntegerLiteral[3]]]]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[num]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] COND FALSE 1 !(num > 0) VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] [L880] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[num],IntegerLiteral[1]]]] VAL [arg={0:0}, arg={0:0}, empty={4:0}, flag=0, full={5:0}, i=0, m={3:0}, num=0, total=0] - UnprovableResult [Line: 877]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 879]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 887]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 879]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 887]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 882]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 882]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 882]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 883]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 883]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 883]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 884]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 884]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 885]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 885]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 891]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 892]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 892]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 893]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 902]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 893]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 902]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 903]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 903]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 904]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 904]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 896]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 896]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 894]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 896]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 897]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 897]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 897]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 898]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 898]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 898]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 899]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 899]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 900]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 900]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 892]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 892]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 908]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 908]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 908]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 909]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 909]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 909]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 910]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 910]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 910]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 911]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 911]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 911]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 912]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 912]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 912]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 919]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 913]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 914]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 361 locations, 155 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2473 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1285 mSDsluCounter, 228 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 341 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1918 IncrementalHoareTripleChecker+Invalid, 2259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 341 mSolverCounterUnsat, 177 mSDtfsCounter, 1918 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=420occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 832 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 23:00:13,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE