./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_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-c091e2e-m [2024-08-13 20:35:57,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 20:35:57,642 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 20:35:57,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 20:35:57,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 20:35:57,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 20:35:57,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 20:35:57,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 20:35:57,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 20:35:57,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 20:35:57,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 20:35:57,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 20:35:57,683 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 20:35:57,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 20:35:57,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 20:35:57,686 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 20:35:57,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 20:35:57,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 20:35:57,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 20:35:57,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 20:35:57,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 20:35:57,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 20:35:57,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 20:35:57,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 20:35:57,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 20:35:57,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 20:35:57,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 20:35:57,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 20:35:57,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 20:35:57,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 20:35:57,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 20:35:57,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 20:35:57,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 20:35:57,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 20:35:57,695 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 20:35:57,695 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 20:35:57,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 20:35:57,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 20:35:57,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 20:35:57,697 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 20:35:57,697 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 20:35:57,698 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 20:35:57,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-13 20:35:57,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 20:35:57,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 20:35:57,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 20:35:57,991 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 20:35:57,991 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 20:35:57,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml [2024-08-13 20:35:58,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 20:35:58,105 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 20:35:58,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-08-13 20:35:59,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 20:35:59,670 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 20:35:59,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-08-13 20:35:59,677 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0edbb4aec/9af926d431164d31b7deda46b540ae74/FLAG261211128 [2024-08-13 20:35:59,695 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0edbb4aec/9af926d431164d31b7deda46b540ae74 [2024-08-13 20:35:59,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 20:35:59,697 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 20:35:59,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 20:35:59,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 20:35:59,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 20:35:59,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:35:58" (1/2) ... [2024-08-13 20:35:59,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75933f51 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:35:59, skipping insertion in model container [2024-08-13 20:35:59,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:35:58" (1/2) ... [2024-08-13 20:35:59,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@246d60d4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 08:35:59, skipping insertion in model container [2024-08-13 20:35:59,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:35:59" (2/2) ... [2024-08-13 20:35:59,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75933f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:35:59, skipping insertion in model container [2024-08-13 20:35:59,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 08:35:59" (2/2) ... [2024-08-13 20:35:59,713 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-13 20:35:59,744 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 20:35:59,746 INFO L97 edCorrectnessWitness]: Location invariant before [L141-L141] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-13 20:35:59,746 INFO L97 edCorrectnessWitness]: Location invariant before [L142-L142] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-13 20:35:59,746 INFO L97 edCorrectnessWitness]: Location invariant before [L143-L143] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-13 20:35:59,746 INFO L97 edCorrectnessWitness]: Location invariant before [L144-L144] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-13 20:35:59,747 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 20:35:59,747 INFO L106 edCorrectnessWitness]: ghost_update [L140-L140] multithreaded = 1; [2024-08-13 20:35:59,769 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 20:35:59,986 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 20:36:00,000 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-13 20:36:00,185 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 20:36:00,203 INFO L206 MainTranslator]: Completed translation [2024-08-13 20:36:00,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00 WrapperNode [2024-08-13 20:36:00,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 20:36:00,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-13 20:36:00,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-13 20:36:00,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-13 20:36:00,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,283 INFO L138 Inliner]: procedures = 25, calls = 54, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 265 [2024-08-13 20:36:00,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-13 20:36:00,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-13 20:36:00,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-13 20:36:00,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-13 20:36:00,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-13 20:36:00,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-13 20:36:00,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-13 20:36:00,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-13 20:36:00,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (1/1) ... [2024-08-13 20:36:00,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 20:36:00,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 20:36:00,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-13 20:36:00,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-13 20:36:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-13 20:36:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-13 20:36:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-13 20:36:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-13 20:36:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-13 20:36:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-13 20:36:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-13 20:36:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-13 20:36:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-13 20:36:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-13 20:36:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-13 20:36:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-13 20:36:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-13 20:36:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-13 20:36:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-13 20:36:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-13 20:36:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-13 20:36:00,430 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-13 20:36:00,545 INFO L244 CfgBuilder]: Building ICFG [2024-08-13 20:36:00,547 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-13 20:36:01,147 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-13 20:36:01,148 INFO L293 CfgBuilder]: Performing block encoding [2024-08-13 20:36:01,438 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-13 20:36:01,439 INFO L320 CfgBuilder]: Removed 5 assume(true) statements. [2024-08-13 20:36:01,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 08:36:01 BoogieIcfgContainer [2024-08-13 20:36:01,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-13 20:36:01,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-13 20:36:01,443 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-13 20:36:01,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-13 20:36:01,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 08:35:58" (1/4) ... [2024-08-13 20:36:01,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c2e8fe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 13.08 08:36:01, skipping insertion in model container [2024-08-13 20:36:01,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 08:35:59" (2/4) ... [2024-08-13 20:36:01,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c2e8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 08:36:01, skipping insertion in model container [2024-08-13 20:36:01,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 08:36:00" (3/4) ... [2024-08-13 20:36:01,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c2e8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 08:36:01, skipping insertion in model container [2024-08-13 20:36:01,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 08:36:01" (4/4) ... [2024-08-13 20:36:01,449 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-08-13 20:36:01,473 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-13 20:36:01,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-13 20:36:01,474 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-13 20:36:01,556 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-13 20:36:01,602 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 20:36:01,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-13 20:36:01,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 20:36:01,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-13 20:36:01,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-13 20:36:01,691 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-13 20:36:01,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-13 20:36:01,748 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=PARTIAL_ORDER_FA, 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;@119c3c89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-13 20:36:01,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-08-13 20:36:01,943 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-13 20:36:01,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 20:36:01,950 INFO L85 PathProgramCache]: Analyzing trace with hash -289287332, now seen corresponding path program 1 times [2024-08-13 20:36:01,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 20:36:01,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833762832] [2024-08-13 20:36:01,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:36:01,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 20:36:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:36:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:36:03,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 20:36:03,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833762832] [2024-08-13 20:36:03,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833762832] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 20:36:03,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-13 20:36:03,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-13 20:36:03,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233937720] [2024-08-13 20:36:03,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 20:36:03,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 20:36:03,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 20:36:03,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 20:36:03,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-13 20:36:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:36:03,885 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 20:36:03,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-08-13 20:36:03,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:36:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 20:36:03,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-13 20:36:03,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-13 20:36:03,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 20:36:03,939 INFO L85 PathProgramCache]: Analyzing trace with hash -669274772, now seen corresponding path program 1 times [2024-08-13 20:36:03,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 20:36:03,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887536357] [2024-08-13 20:36:03,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:36:03,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 20:36:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:36:05,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:36:05,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 20:36:05,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887536357] [2024-08-13 20:36:05,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887536357] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 20:36:05,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107651019] [2024-08-13 20:36:05,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:36:05,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 20:36:05,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 20:36:05,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 20:36:05,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-13 20:36:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:36:05,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 28 conjunts are in the unsatisfiable core [2024-08-13 20:36:05,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 20:36:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:36:05,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 20:36:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:36:10,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107651019] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 20:36:10,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 20:36:10,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 11 [2024-08-13 20:36:10,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767399976] [2024-08-13 20:36:10,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 20:36:10,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-13 20:36:10,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 20:36:10,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-13 20:36:10,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-08-13 20:36:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:36:10,765 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 20:36:10,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 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) [2024-08-13 20:36:10,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 20:36:10,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:36:11,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 20:36:11,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 20:36:11,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-13 20:36:11,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-13 20:36:11,858 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-13 20:36:11,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 20:36:11,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1668274012, now seen corresponding path program 2 times [2024-08-13 20:36:11,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 20:36:11,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517093865] [2024-08-13 20:36:11,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:36:11,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 20:36:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:36:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:36:13,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 20:36:13,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517093865] [2024-08-13 20:36:13,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517093865] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 20:36:13,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382316229] [2024-08-13 20:36:13,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 20:36:13,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 20:36:13,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 20:36:13,623 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 20:36:13,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-13 20:36:13,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-13 20:36:13,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 20:36:13,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-13 20:36:13,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 20:36:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-13 20:36:14,024 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 20:36:14,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382316229] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 20:36:14,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-13 20:36:14,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2024-08-13 20:36:14,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224017363] [2024-08-13 20:36:14,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 20:36:14,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 20:36:14,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 20:36:14,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 20:36:14,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-08-13 20:36:14,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:36:14,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 20:36:14,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-08-13 20:36:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 20:36:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 20:36:14,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:36:14,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 20:36:14,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 20:36:14,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 20:36:14,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-13 20:36:14,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 20:36:14,268 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-13 20:36:14,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 20:36:14,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1746871505, now seen corresponding path program 1 times [2024-08-13 20:36:14,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 20:36:14,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238367975] [2024-08-13 20:36:14,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:36:14,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 20:36:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:36:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:36:15,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 20:36:15,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238367975] [2024-08-13 20:36:15,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238367975] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 20:36:15,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518720184] [2024-08-13 20:36:15,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:36:15,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 20:36:15,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 20:36:15,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 20:36:15,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-13 20:36:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:36:16,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 36 conjunts are in the unsatisfiable core [2024-08-13 20:36:16,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 20:36:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:36:16,503 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-13 20:36:24,133 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:36:24,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518720184] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-13 20:36:24,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-13 20:36:24,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-08-13 20:36:24,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238138528] [2024-08-13 20:36:24,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-13 20:36:24,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-13 20:36:24,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 20:36:24,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-13 20:36:24,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-08-13 20:36:24,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:36:24,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 20:36:24,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 states have internal predecessors, (34), 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) [2024-08-13 20:36:24,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 20:36:24,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 20:36:24,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 20:36:24,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:36:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-13 20:36:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-13 20:36:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 20:36:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-08-13 20:36:35,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-08-13 20:36:35,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 20:36:35,535 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 5 more)] === [2024-08-13 20:36:35,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-13 20:36:35,536 INFO L85 PathProgramCache]: Analyzing trace with hash -375106257, now seen corresponding path program 2 times [2024-08-13 20:36:35,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-13 20:36:35,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521984413] [2024-08-13 20:36:35,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-13 20:36:35,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-13 20:36:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-13 20:36:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-13 20:36:37,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-13 20:36:37,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521984413] [2024-08-13 20:36:37,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521984413] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-13 20:36:37,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031619598] [2024-08-13 20:36:37,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-13 20:36:37,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 20:36:38,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-13 20:36:38,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-13 20:36:38,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-13 20:36:38,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-13 20:36:38,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-13 20:36:38,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-13 20:36:38,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-13 20:36:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-13 20:36:38,482 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-13 20:36:38,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031619598] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-13 20:36:38,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-13 20:36:38,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 17 [2024-08-13 20:36:38,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222409480] [2024-08-13 20:36:38,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-13 20:36:38,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-13 20:36:38,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-13 20:36:38,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-13 20:36:38,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-08-13 20:36:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:36:38,484 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-13 20:36:38,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-08-13 20:36:38,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-13 20:36:38,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-13 20:36:38,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-13 20:36:38,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-08-13 20:36:38,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-13 20:36:50,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 20:36:50,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-08-13 20:36:50,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 20:36:50,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-13 20:36:50,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-13 20:36:50,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 8 remaining) [2024-08-13 20:36:50,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 8 remaining) [2024-08-13 20:36:50,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 8 remaining) [2024-08-13 20:36:50,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 8 remaining) [2024-08-13 20:36:50,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-08-13 20:36:50,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-08-13 20:36:50,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-08-13 20:36:50,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-08-13 20:36:50,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-13 20:36:51,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-13 20:36:51,103 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1] [2024-08-13 20:36:51,108 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-13 20:36:51,108 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-13 20:36:51,110 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-08-13 20:36:51,110 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-08-13 20:36:51,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 08:36:51 BasicIcfg [2024-08-13 20:36:51,114 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-13 20:36:51,114 INFO L158 Benchmark]: Toolchain (without parser) took 51417.33ms. Allocated memory was 174.1MB in the beginning and 625.0MB in the end (delta: 450.9MB). Free memory was 116.1MB in the beginning and 553.8MB in the end (delta: -437.7MB). Peak memory consumption was 362.7MB. Max. memory is 16.1GB. [2024-08-13 20:36:51,114 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 20:36:51,115 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 174.1MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 20:36:51,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.10ms. Allocated memory is still 174.1MB. Free memory was 115.7MB in the beginning and 93.7MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-13 20:36:51,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.65ms. Allocated memory is still 174.1MB. Free memory was 93.7MB in the beginning and 89.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-13 20:36:51,115 INFO L158 Benchmark]: Boogie Preprocessor took 47.97ms. Allocated memory is still 174.1MB. Free memory was 89.2MB in the beginning and 86.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-13 20:36:51,116 INFO L158 Benchmark]: RCFGBuilder took 1106.38ms. Allocated memory was 174.1MB in the beginning and 247.5MB in the end (delta: 73.4MB). Free memory was 86.7MB in the beginning and 125.6MB in the end (delta: -38.8MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-08-13 20:36:51,116 INFO L158 Benchmark]: TraceAbstraction took 49671.61ms. Allocated memory was 247.5MB in the beginning and 625.0MB in the end (delta: 377.5MB). Free memory was 124.5MB in the beginning and 553.8MB in the end (delta: -429.3MB). Peak memory consumption was 297.4MB. Max. memory is 16.1GB. [2024-08-13 20:36:51,119 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 0.17ms. Allocated memory is still 174.1MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.90ms. Allocated memory is still 174.1MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.10ms. Allocated memory is still 174.1MB. Free memory was 115.7MB in the beginning and 93.7MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.65ms. Allocated memory is still 174.1MB. Free memory was 93.7MB in the beginning and 89.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.97ms. Allocated memory is still 174.1MB. Free memory was 89.2MB in the beginning and 86.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1106.38ms. Allocated memory was 174.1MB in the beginning and 247.5MB in the end (delta: 73.4MB). Free memory was 86.7MB in the beginning and 125.6MB in the end (delta: -38.8MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * TraceAbstraction took 49671.61ms. Allocated memory was 247.5MB in the beginning and 625.0MB in the end (delta: 377.5MB). Free memory was 124.5MB in the beginning and 553.8MB in the end (delta: -429.3MB). Peak memory consumption was 297.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 230223, independent: 209113, independent conditional: 207280, independent unconditional: 1833, dependent: 21110, dependent conditional: 21090, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213791, independent: 209113, independent conditional: 207280, independent unconditional: 1833, dependent: 4678, dependent conditional: 4658, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 213791, independent: 209113, independent conditional: 207280, independent unconditional: 1833, dependent: 4678, dependent conditional: 4658, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 221343, independent: 209113, independent conditional: 0, independent unconditional: 209113, dependent: 12230, dependent conditional: 7552, dependent unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 221343, independent: 209113, independent conditional: 0, independent unconditional: 209113, dependent: 12230, dependent conditional: 6572, dependent unconditional: 5658, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 221343, independent: 209113, independent conditional: 0, independent unconditional: 209113, dependent: 12230, dependent conditional: 6572, dependent unconditional: 5658, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1642, independent: 1565, independent conditional: 0, independent unconditional: 1565, dependent: 77, dependent conditional: 57, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1642, independent: 1526, independent conditional: 0, independent unconditional: 1526, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 116, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 77, dependent conditional: 57, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 77, dependent conditional: 57, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 826, independent: 417, independent conditional: 0, independent unconditional: 417, dependent: 408, dependent conditional: 340, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 221343, independent: 207548, independent conditional: 0, independent unconditional: 207548, dependent: 12153, dependent conditional: 6515, dependent unconditional: 5638, unknown: 1642, unknown conditional: 57, unknown unconditional: 1585] , Statistics on independence cache: Total cache size (in pairs): 1642, Positive cache size: 1565, Positive conditional cache size: 0, Positive unconditional cache size: 1565, Negative cache size: 77, Negative conditional cache size: 57, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 980, Maximal queried relation: 5, Independence queries for same thread: 16432 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.8s, Number of persistent set computation: 3385, Number of trivial persistent sets: 2076, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1853, independent: 1833, independent conditional: 0, independent unconditional: 1833, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 230223, independent: 209113, independent conditional: 207280, independent unconditional: 1833, dependent: 21110, dependent conditional: 21090, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213791, independent: 209113, independent conditional: 207280, independent unconditional: 1833, dependent: 4678, dependent conditional: 4658, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 213791, independent: 209113, independent conditional: 207280, independent unconditional: 1833, dependent: 4678, dependent conditional: 4658, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 221343, independent: 209113, independent conditional: 0, independent unconditional: 209113, dependent: 12230, dependent conditional: 7552, dependent unconditional: 4678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 221343, independent: 209113, independent conditional: 0, independent unconditional: 209113, dependent: 12230, dependent conditional: 6572, dependent unconditional: 5658, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 221343, independent: 209113, independent conditional: 0, independent unconditional: 209113, dependent: 12230, dependent conditional: 6572, dependent unconditional: 5658, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1642, independent: 1565, independent conditional: 0, independent unconditional: 1565, dependent: 77, dependent conditional: 57, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1642, independent: 1526, independent conditional: 0, independent unconditional: 1526, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 116, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 77, dependent conditional: 57, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 77, dependent conditional: 57, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 826, independent: 417, independent conditional: 0, independent unconditional: 417, dependent: 408, dependent conditional: 340, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 221343, independent: 207548, independent conditional: 0, independent unconditional: 207548, dependent: 12153, dependent conditional: 6515, dependent unconditional: 5638, unknown: 1642, unknown conditional: 57, unknown unconditional: 1585] , Statistics on independence cache: Total cache size (in pairs): 1642, Positive cache size: 1565, Positive conditional cache size: 0, Positive unconditional cache size: 1565, Negative cache size: 77, Negative conditional cache size: 57, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 980, Maximal queried relation: 5, Independence queries for same thread: 16432 - PositiveResult [Line: 141]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 142]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 143]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 144]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 84 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 49.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 24.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 23.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 11049 SizeOfPredicates, 15 NumberOfNonLiveVariables, 562 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 66/168 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-13 20:36:51,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-08-13 20:36:51,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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