./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-bad-ring-nondet.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 76401ed0 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c ./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-bad-ring-nondet.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-76401ed-m [2024-06-20 18:13:48,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 18:13:48,761 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 18:13:48,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 18:13:48,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 18:13:48,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 18:13:48,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 18:13:48,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 18:13:48,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 18:13:48,792 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 18:13:48,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 18:13:48,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 18:13:48,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 18:13:48,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 18:13:48,794 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 18:13:48,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 18:13:48,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 18:13:48,795 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 18:13:48,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 18:13:48,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 18:13:48,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 18:13:48,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 18:13:48,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 18:13:48,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 18:13:48,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 18:13:48,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 18:13:48,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 18:13:48,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 18:13:48,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 18:13:48,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 18:13:48,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 18:13:48,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 18:13:48,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 18:13:48,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 18:13:48,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 18:13:48,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 18:13:48,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 18:13:48,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 18:13:48,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 18:13:48,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 18:13:48,800 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 18:13:48,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 18:13:48,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 18:13:48,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 18:13:48,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 18:13:49,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 18:13:49,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 18:13:49,018 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 18:13:49,019 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 18:13:49,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/popl20-bad-ring-nondet.wvr.yml/witness.yml [2024-06-20 18:13:49,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 18:13:49,113 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 18:13:49,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2024-06-20 18:13:50,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 18:13:50,292 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 18:13:50,292 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2024-06-20 18:13:50,299 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba30e61b/2f4f0723d4b94113bf52a0047b73343b/FLAGe9ce14326 [2024-06-20 18:13:50,308 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba30e61b/2f4f0723d4b94113bf52a0047b73343b [2024-06-20 18:13:50,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 18:13:50,309 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 18:13:50,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 18:13:50,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 18:13:50,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 18:13:50,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:13:49" (1/2) ... [2024-06-20 18:13:50,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f73f39a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:50, skipping insertion in model container [2024-06-20 18:13:50,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:13:49" (1/2) ... [2024-06-20 18:13:50,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61e3a8e6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 06:13:50, skipping insertion in model container [2024-06-20 18:13:50,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 06:13:50" (2/2) ... [2024-06-20 18:13:50,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f73f39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50, skipping insertion in model container [2024-06-20 18:13:50,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 06:13:50" (2/2) ... [2024-06-20 18:13:50,317 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 18:13:50,329 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 18:13:50,330 INFO L97 edCorrectnessWitness]: Location invariant before [L151-L151] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((4294967296LL + (long long )q1_front) + (long long )q2_front >= 0LL && (4294967296LL + (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q2_front) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q2_front) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q3_back) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )N) + (long long )n1 >= 0LL) && (4294967296LL + (long long )N) + (long long )n2 >= 0LL) && (4294967296LL + (long long )N) + (long long )n3 >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )n2 >= 0LL) && (4294967296LL + (long long )n1) + (long long )n3 >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )n3 >= 0LL) && (4294967296LL + (long long )n3) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n3) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n3) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n3) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n3) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )N) + (long long )n1 >= 0LL) && (4294967295LL - (long long )N) + (long long )n2 >= 0LL) && (4294967295LL - (long long )N) + (long long )n3 >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n1) + (long long )n3 >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )n3 >= 0LL) && (4294967295LL - (long long )n3) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n3) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n3) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n3) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n3) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n3 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n3 >= 0LL) && (4294967295LL + (long long )n2) - (long long )n3 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n3 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n3 >= 0LL) && (4294967294LL - (long long )n2) - (long long )n3 >= 0LL) [2024-06-20 18:13:50,330 INFO L97 edCorrectnessWitness]: Location invariant before [L149-L149] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((4294967296LL + (long long )q1_front) + (long long )q2_front >= 0LL && (4294967296LL + (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q2_front) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q2_front) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q3_back) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )N) + (long long )n1 >= 0LL) && (4294967296LL + (long long )N) + (long long )n2 >= 0LL) && (4294967296LL + (long long )N) + (long long )n3 >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )n2 >= 0LL) && (4294967296LL + (long long )n1) + (long long )n3 >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )n3 >= 0LL) && (4294967296LL + (long long )n3) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n3) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n3) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n3) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n3) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )N) + (long long )n1 >= 0LL) && (4294967295LL - (long long )N) + (long long )n2 >= 0LL) && (4294967295LL - (long long )N) + (long long )n3 >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n1) + (long long )n3 >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )n3 >= 0LL) && (4294967295LL - (long long )n3) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n3) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n3) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n3) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n3) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n3 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n3 >= 0LL) && (4294967295LL + (long long )n2) - (long long )n3 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n3 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n3 >= 0LL) && (4294967294LL - (long long )n2) - (long long )n3 >= 0LL) [2024-06-20 18:13:50,330 INFO L97 edCorrectnessWitness]: Location invariant before [L150-L150] ! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((4294967296LL + (long long )q1_front) + (long long )q2_front >= 0LL && (4294967296LL + (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q1_front) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q1_back) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q2_front) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q2_front) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )q2_back) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )q3_back) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )N) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )N) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )N) + (long long )n1 >= 0LL) && (4294967296LL + (long long )N) + (long long )n2 >= 0LL) && (4294967296LL + (long long )N) + (long long )n3 >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )n1) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )n1) + (long long )n2 >= 0LL) && (4294967296LL + (long long )n1) + (long long )n3 >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )n2) + (long long )q3_back >= 0LL) && (4294967296LL + (long long )n2) + (long long )n3 >= 0LL) && (4294967296LL + (long long )n3) + (long long )q1_front >= 0LL) && (4294967296LL + (long long )n3) + (long long )q1_back >= 0LL) && (4294967296LL + (long long )n3) + (long long )q2_front >= 0LL) && (4294967296LL + (long long )n3) + (long long )q2_back >= 0LL) && (4294967296LL + (long long )n3) + (long long )q3_front >= 0LL) && (4294967296LL + (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )N) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )N) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )N) + (long long )n1 >= 0LL) && (4294967295LL - (long long )N) + (long long )n2 >= 0LL) && (4294967295LL - (long long )N) + (long long )n3 >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )n1) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )n1) + (long long )n2 >= 0LL) && (4294967295LL - (long long )n1) + (long long )n3 >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )n2) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )n2) + (long long )n3 >= 0LL) && (4294967295LL - (long long )n3) + (long long )q1_front >= 0LL) && (4294967295LL - (long long )n3) + (long long )q1_back >= 0LL) && (4294967295LL - (long long )n3) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )n3) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )n3) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL + (long long )N) - (long long )n1 >= 0LL) && (4294967295LL + (long long )N) - (long long )n2 >= 0LL) && (4294967295LL + (long long )N) - (long long )n3 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n2 >= 0LL) && (4294967295LL + (long long )n1) - (long long )n3 >= 0LL) && (4294967295LL + (long long )n2) - (long long )n3 >= 0LL) && (4294967294LL - (long long )N) - (long long )n1 >= 0LL) && (4294967294LL - (long long )N) - (long long )n2 >= 0LL) && (4294967294LL - (long long )N) - (long long )n3 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n2 >= 0LL) && (4294967294LL - (long long )n1) - (long long )n3 >= 0LL) && (4294967294LL - (long long )n2) - (long long )n3 >= 0LL) [2024-06-20 18:13:50,331 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 18:13:50,331 INFO L106 edCorrectnessWitness]: ghost_update [L148-L148] multithreaded = 1; [2024-06-20 18:13:50,355 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 18:13:50,553 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 18:13:50,560 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-20 18:13:50,680 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 18:13:50,692 INFO L206 MainTranslator]: Completed translation [2024-06-20 18:13:50,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50 WrapperNode [2024-06-20 18:13:50,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 18:13:50,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 18:13:50,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 18:13:50,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 18:13:50,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,747 INFO L138 Inliner]: procedures = 24, calls = 49, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 323 [2024-06-20 18:13:50,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 18:13:50,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 18:13:50,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 18:13:50,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 18:13:50,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,775 INFO L175 MemorySlicer]: Split 12 memory accesses to 2 slices as follows [2, 10]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-06-20 18:13:50,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 18:13:50,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 18:13:50,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 18:13:50,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 18:13:50,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (1/1) ... [2024-06-20 18:13:50,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 18:13:50,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 18:13:50,816 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) [2024-06-20 18:13:50,823 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 [2024-06-20 18:13:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 18:13:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-20 18:13:50,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-20 18:13:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-20 18:13:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-20 18:13:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-06-20 18:13:50,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-06-20 18:13:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 18:13:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-20 18:13:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-06-20 18:13:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-06-20 18:13:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-20 18:13:50,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-20 18:13:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-06-20 18:13:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 18:13:50,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 18:13:50,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-06-20 18:13:50,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-06-20 18:13:50,855 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 18:13:50,974 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 18:13:50,976 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 18:13:51,443 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 18:13:51,443 INFO L293 CfgBuilder]: Performing block encoding [2024-06-20 18:13:51,794 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-20 18:13:51,794 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-06-20 18:13:51,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 06:13:51 BoogieIcfgContainer [2024-06-20 18:13:51,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-20 18:13:51,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-20 18:13:51,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-20 18:13:51,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-20 18:13:51,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 06:13:49" (1/4) ... [2024-06-20 18:13:51,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aafe8e8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 06:13:51, skipping insertion in model container [2024-06-20 18:13:51,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.06 06:13:50" (2/4) ... [2024-06-20 18:13:51,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aafe8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 06:13:51, skipping insertion in model container [2024-06-20 18:13:51,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 06:13:50" (3/4) ... [2024-06-20 18:13:51,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aafe8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 06:13:51, skipping insertion in model container [2024-06-20 18:13:51,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 06:13:51" (4/4) ... [2024-06-20 18:13:51,808 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2024-06-20 18:13:51,825 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-20 18:13:51,826 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-20 18:13:51,826 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-20 18:13:51,938 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-06-20 18:13:51,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 59 transitions, 139 flow [2024-06-20 18:13:52,015 INFO L124 PetriNetUnfolderBase]: 10/56 cut-off events. [2024-06-20 18:13:52,015 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-06-20 18:13:52,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 56 events. 10/56 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 111 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 47. Up to 3 conditions per place. [2024-06-20 18:13:52,019 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 59 transitions, 139 flow [2024-06-20 18:13:52,024 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 54 transitions, 123 flow [2024-06-20 18:13:52,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-20 18:13:52,041 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;@33af5a1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-20 18:13:52,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-20 18:13:52,049 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-20 18:13:52,049 INFO L124 PetriNetUnfolderBase]: 3/13 cut-off events. [2024-06-20 18:13:52,049 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 18:13:52,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:13:52,050 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 18:13:52,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 18:13:52,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:13:52,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1452857034, now seen corresponding path program 1 times [2024-06-20 18:13:52,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:13:52,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544560801] [2024-06-20 18:13:52,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:13:52,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:13:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:13:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:13:54,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:13:54,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544560801] [2024-06-20 18:13:54,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544560801] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 18:13:54,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 18:13:54,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-20 18:13:54,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618166176] [2024-06-20 18:13:54,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 18:13:54,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-20 18:13:54,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:13:54,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-20 18:13:54,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-06-20 18:13:54,603 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 59 [2024-06-20 18:13:54,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 54 transitions, 123 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-06-20 18:13:54,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:13:54,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 59 [2024-06-20 18:13:54,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:13:55,772 INFO L124 PetriNetUnfolderBase]: 2507/4319 cut-off events. [2024-06-20 18:13:55,772 INFO L125 PetriNetUnfolderBase]: For 134/134 co-relation queries the response was YES. [2024-06-20 18:13:55,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7985 conditions, 4319 events. 2507/4319 cut-off events. For 134/134 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 27832 event pairs, 2162 based on Foata normal form. 588/4306 useless extension candidates. Maximal degree in co-relation 6422. Up to 2863 conditions per place. [2024-06-20 18:13:55,797 INFO L140 encePairwiseOnDemand]: 46/59 looper letters, 34 selfloop transitions, 3 changer transitions 27/79 dead transitions. [2024-06-20 18:13:55,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 79 transitions, 313 flow [2024-06-20 18:13:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 18:13:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 18:13:55,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 199 transitions. [2024-06-20 18:13:55,809 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48184019370460046 [2024-06-20 18:13:55,810 INFO L175 Difference]: Start difference. First operand has 54 places, 54 transitions, 123 flow. Second operand 7 states and 199 transitions. [2024-06-20 18:13:55,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 79 transitions, 313 flow [2024-06-20 18:13:55,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 79 transitions, 297 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-20 18:13:55,824 INFO L231 Difference]: Finished difference. Result has 59 places, 52 transitions, 137 flow [2024-06-20 18:13:55,825 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=137, PETRI_PLACES=59, PETRI_TRANSITIONS=52} [2024-06-20 18:13:55,829 INFO L281 CegarLoopForPetriNet]: 54 programPoint places, 5 predicate places. [2024-06-20 18:13:55,830 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 52 transitions, 137 flow [2024-06-20 18:13:55,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-06-20 18:13:55,830 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 18:13:55,831 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 18:13:55,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-20 18:13:55,831 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 18:13:55,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 18:13:55,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1715452596, now seen corresponding path program 1 times [2024-06-20 18:13:55,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 18:13:55,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439749259] [2024-06-20 18:13:55,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:13:55,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 18:13:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:13:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:13:57,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 18:13:57,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439749259] [2024-06-20 18:13:57,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439749259] provided 0 perfect and 1 imperfect interpolant sequences [2024-06-20 18:13:57,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304565126] [2024-06-20 18:13:57,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 18:13:57,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-20 18:13:57,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 18:13:57,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-06-20 18:13:57,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-06-20 18:13:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 18:13:57,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 38 conjunts are in the unsatisfiable core [2024-06-20 18:13:57,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-06-20 18:13:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:13:57,941 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-06-20 18:14:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 18:14:01,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304565126] provided 0 perfect and 2 imperfect interpolant sequences [2024-06-20 18:14:01,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-06-20 18:14:01,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2024-06-20 18:14:01,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184436008] [2024-06-20 18:14:01,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-06-20 18:14:01,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-06-20 18:14:01,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 18:14:01,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-06-20 18:14:01,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-06-20 18:14:01,794 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 59 [2024-06-20 18:14:01,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 52 transitions, 137 flow. Second operand has 17 states, 17 states have (on average 19.41176470588235) internal successors, (330), 17 states have internal predecessors, (330), 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) [2024-06-20 18:14:01,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 18:14:01,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 59 [2024-06-20 18:14:01,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 18:14:08,509 INFO L124 PetriNetUnfolderBase]: 2759/4997 cut-off events. [2024-06-20 18:14:08,509 INFO L125 PetriNetUnfolderBase]: For 689/716 co-relation queries the response was YES. [2024-06-20 18:14:08,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9553 conditions, 4997 events. 2759/4997 cut-off events. For 689/716 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 34709 event pairs, 1684 based on Foata normal form. 623/4966 useless extension candidates. Maximal degree in co-relation 4983. Up to 1901 conditions per place. [2024-06-20 18:14:08,524 INFO L140 encePairwiseOnDemand]: 44/59 looper letters, 0 selfloop transitions, 0 changer transitions 115/115 dead transitions. [2024-06-20 18:14:08,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 115 transitions, 501 flow [2024-06-20 18:14:08,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-06-20 18:14:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-06-20 18:14:08,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 350 transitions. [2024-06-20 18:14:08,533 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45632333767926986 [2024-06-20 18:14:08,534 INFO L175 Difference]: Start difference. First operand has 59 places, 52 transitions, 137 flow. Second operand 13 states and 350 transitions. [2024-06-20 18:14:08,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 115 transitions, 501 flow [2024-06-20 18:14:08,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 115 transitions, 473 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-06-20 18:14:08,536 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2024-06-20 18:14:08,537 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2024-06-20 18:14:08,537 INFO L281 CegarLoopForPetriNet]: 54 programPoint places, 6 predicate places. [2024-06-20 18:14:08,537 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2024-06-20 18:14:08,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 19.41176470588235) internal successors, (330), 17 states have internal predecessors, (330), 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) [2024-06-20 18:14:08,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-06-20 18:14:08,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-06-20 18:14:08,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-06-20 18:14:08,540 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-06-20 18:14:08,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-06-20 18:14:08,541 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-06-20 18:14:08,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-06-20 18:14:08,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-06-20 18:14:08,753 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-20 18:14:08,755 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-20 18:14:08,755 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-20 18:14:08,758 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-06-20 18:14:08,758 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-06-20 18:14:08,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.06 06:14:08 BasicIcfg [2024-06-20 18:14:08,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-20 18:14:08,760 INFO L158 Benchmark]: Toolchain (without parser) took 18450.38ms. Allocated memory was 165.7MB in the beginning and 459.3MB in the end (delta: 293.6MB). Free memory was 94.7MB in the beginning and 290.1MB in the end (delta: -195.5MB). Peak memory consumption was 256.1MB. Max. memory is 16.1GB. [2024-06-20 18:14:08,760 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 18:14:08,760 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-20 18:14:08,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.94ms. Allocated memory is still 165.7MB. Free memory was 94.4MB in the beginning and 122.1MB in the end (delta: -27.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-06-20 18:14:08,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.20ms. Allocated memory is still 165.7MB. Free memory was 122.1MB in the beginning and 117.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-20 18:14:08,761 INFO L158 Benchmark]: Boogie Preprocessor took 45.08ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 113.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-20 18:14:08,761 INFO L158 Benchmark]: RCFGBuilder took 1001.32ms. Allocated memory is still 165.7MB. Free memory was 113.9MB in the beginning and 69.3MB in the end (delta: 44.6MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2024-06-20 18:14:08,762 INFO L158 Benchmark]: TraceAbstraction took 16961.85ms. Allocated memory was 165.7MB in the beginning and 459.3MB in the end (delta: 293.6MB). Free memory was 69.3MB in the beginning and 290.1MB in the end (delta: -220.8MB). Peak memory consumption was 229.8MB. Max. memory is 16.1GB. [2024-06-20 18:14:08,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.94ms. Allocated memory is still 165.7MB. Free memory was 94.4MB in the beginning and 122.1MB in the end (delta: -27.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.20ms. Allocated memory is still 165.7MB. Free memory was 122.1MB in the beginning and 117.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.08ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 113.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1001.32ms. Allocated memory is still 165.7MB. Free memory was 113.9MB in the beginning and 69.3MB in the end (delta: 44.6MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16961.85ms. Allocated memory was 165.7MB in the beginning and 459.3MB in the end (delta: 293.6MB). Free memory was 69.3MB in the beginning and 290.1MB in the end (delta: -220.8MB). Peak memory consumption was 229.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 149]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 150]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 151]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 81 locations, 6 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: 16.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 443 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 429 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 639 IncrementalHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 14 mSDtfsCounter, 639 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=1, InterpolantAutomatonStates: 20, 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, 7.9s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 5726 SizeOfPredicates, 3 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-20 18:14:08,796 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 Result: TRUE