./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-more-multiply-verify.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 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-more-multiply-verify.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-more-multiply-verify.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 15:25:27,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 15:25:27,757 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 15:25:27,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 15:25:27,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 15:25:27,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 15:25:27,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 15:25:27,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 15:25:27,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 15:25:27,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 15:25:27,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 15:25:27,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 15:25:27,802 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 15:25:27,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 15:25:27,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 15:25:27,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 15:25:27,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 15:25:27,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 15:25:27,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 15:25:27,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 15:25:27,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 15:25:27,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 15:25:27,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 15:25:27,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 15:25:27,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 15:25:27,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 15:25:27,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 15:25:27,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 15:25:27,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 15:25:27,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 15:25:27,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 15:25:27,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 15:25:27,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 15:25:27,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 15:25:27,829 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 15:25:27,829 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 15:25:27,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 15:25:27,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 15:25:27,830 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 15:25:27,830 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 15:25:27,830 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 15:25:27,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 15:25:28,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 15:25:28,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 15:25:28,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 15:25:28,160 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 15:25:28,161 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 15:25:28,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/popl20-more-multiply-verify.wvr.yml/witness.yml [2024-09-08 15:25:28,328 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 15:25:28,329 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 15:25:28,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2024-09-08 15:25:29,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 15:25:29,935 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 15:25:29,938 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2024-09-08 15:25:29,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d502b7ba8/19c0d289380c4d27adf4964d54b981af/FLAG2b1fc4950 [2024-09-08 15:25:30,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d502b7ba8/19c0d289380c4d27adf4964d54b981af [2024-09-08 15:25:30,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 15:25:30,318 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 15:25:30,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 15:25:30,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 15:25:30,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 15:25:30,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 03:25:28" (1/2) ... [2024-09-08 15:25:30,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f276da0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:25:30, skipping insertion in model container [2024-09-08 15:25:30,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 03:25:28" (1/2) ... [2024-09-08 15:25:30,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4a392e04 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 03:25:30, skipping insertion in model container [2024-09-08 15:25:30,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:25:30" (2/2) ... [2024-09-08 15:25:30,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f276da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30, skipping insertion in model container [2024-09-08 15:25:30,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:25:30" (2/2) ... [2024-09-08 15:25:30,366 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 15:25:30,367 INFO L1541 ArrayList]: Location invariant before [L53-L53] (((((((((((((((((((((((2147483648LL + (long long )n) + (long long )start >= 0LL) && ((2147483648LL + (long long )end) + (long long )n >= 0LL)) && ((2147483647LL - (long long )end) + (long long )n >= 0LL)) && ((3221225471LL - (long long )n) + (long long )start >= 0LL)) && ((4294967295LL - (long long )A) + (long long )n >= 0LL)) && ((4294967295LL - (long long )B) + (long long )n >= 0LL)) && ((4294967295LL - (long long )end) + (long long )start >= 0LL)) && ((long long )A + (long long )n >= 0LL)) && ((long long )B + (long long )n >= 0LL)) && ((1073741823LL + (long long )A) - (long long )n >= 0LL)) && ((1073741823LL + (long long )B) - (long long )n >= 0LL)) && ((2147483647LL + (long long )A) - (long long )end >= 0LL)) && ((2147483647LL + (long long )B) - (long long )end >= 0LL)) && ((2147483647LL + (long long )n) - (long long )start >= 0LL)) && ((3221225471LL + (long long )end) - (long long )n >= 0LL)) && ((3221225470LL - (long long )n) - (long long )start >= 0LL)) && ((3221225470LL - (long long )end) - (long long )n >= 0LL)) && ((4294967294LL - (long long )end) - (long long )start >= 0LL)) && ((5368709118LL - (long long )A) - (long long )n >= 0LL)) && ((5368709118LL - (long long )B) - (long long )n >= 0LL)) && ((6442450942LL - (long long )A) - (long long )end >= 0LL)) && ((6442450942LL - (long long )B) - (long long )end >= 0LL)) && ((long long )end - (long long )start >= 0LL) [2024-09-08 15:25:30,367 INFO L1541 ArrayList]: Location invariant before [L73-L73] (((((((((((((((((((((((2147483648LL + (long long )n) + (long long )start >= 0LL) && ((2147483648LL + (long long )end) + (long long )n >= 0LL)) && ((2147483647LL - (long long )end) + (long long )n >= 0LL)) && ((3221225471LL - (long long )n) + (long long )start >= 0LL)) && ((4294967295LL - (long long )A) + (long long )n >= 0LL)) && ((4294967295LL - (long long )B) + (long long )n >= 0LL)) && ((4294967295LL - (long long )end) + (long long )start >= 0LL)) && ((long long )A + (long long )n >= 0LL)) && ((long long )B + (long long )n >= 0LL)) && ((1073741823LL + (long long )A) - (long long )n >= 0LL)) && ((1073741823LL + (long long )B) - (long long )n >= 0LL)) && ((2147483647LL + (long long )A) - (long long )end >= 0LL)) && ((2147483647LL + (long long )B) - (long long )end >= 0LL)) && ((2147483647LL + (long long )n) - (long long )start >= 0LL)) && ((3221225471LL + (long long )end) - (long long )n >= 0LL)) && ((3221225470LL - (long long )n) - (long long )start >= 0LL)) && ((3221225470LL - (long long )end) - (long long )n >= 0LL)) && ((4294967294LL - (long long )end) - (long long )start >= 0LL)) && ((5368709118LL - (long long )A) - (long long )n >= 0LL)) && ((5368709118LL - (long long )B) - (long long )n >= 0LL)) && ((6442450942LL - (long long )A) - (long long )end >= 0LL)) && ((6442450942LL - (long long )B) - (long long )end >= 0LL)) && ((long long )end - (long long )start >= 0LL) [2024-09-08 15:25:30,367 INFO L1541 ArrayList]: Location invariant before [L57-L57] (((((((((((((((((((((((2147483648LL + (long long )n) + (long long )start >= 0LL) && ((2147483648LL + (long long )end) + (long long )n >= 0LL)) && ((2147483647LL - (long long )end) + (long long )n >= 0LL)) && ((3221225471LL - (long long )n) + (long long )start >= 0LL)) && ((4294967295LL - (long long )A) + (long long )n >= 0LL)) && ((4294967295LL - (long long )B) + (long long )n >= 0LL)) && ((4294967295LL - (long long )end) + (long long )start >= 0LL)) && ((long long )A + (long long )n >= 0LL)) && ((long long )B + (long long )n >= 0LL)) && ((1073741823LL + (long long )A) - (long long )n >= 0LL)) && ((1073741823LL + (long long )B) - (long long )n >= 0LL)) && ((2147483647LL + (long long )A) - (long long )end >= 0LL)) && ((2147483647LL + (long long )B) - (long long )end >= 0LL)) && ((2147483647LL + (long long )n) - (long long )start >= 0LL)) && ((3221225471LL + (long long )end) - (long long )n >= 0LL)) && ((3221225470LL - (long long )n) - (long long )start >= 0LL)) && ((3221225470LL - (long long )end) - (long long )n >= 0LL)) && ((4294967294LL - (long long )end) - (long long )start >= 0LL)) && ((5368709118LL - (long long )A) - (long long )n >= 0LL)) && ((5368709118LL - (long long )B) - (long long )n >= 0LL)) && ((6442450942LL - (long long )A) - (long long )end >= 0LL)) && ((6442450942LL - (long long )B) - (long long )end >= 0LL)) && ((long long )end - (long long )start >= 0LL) [2024-09-08 15:25:30,367 INFO L1541 ArrayList]: Location invariant before [L69-L69] (((((((((((((((((((((((2147483648LL + (long long )n) + (long long )start >= 0LL) && ((2147483648LL + (long long )end) + (long long )n >= 0LL)) && ((2147483647LL - (long long )end) + (long long )n >= 0LL)) && ((3221225471LL - (long long )n) + (long long )start >= 0LL)) && ((4294967295LL - (long long )A) + (long long )n >= 0LL)) && ((4294967295LL - (long long )B) + (long long )n >= 0LL)) && ((4294967295LL - (long long )end) + (long long )start >= 0LL)) && ((long long )A + (long long )n >= 0LL)) && ((long long )B + (long long )n >= 0LL)) && ((1073741823LL + (long long )A) - (long long )n >= 0LL)) && ((1073741823LL + (long long )B) - (long long )n >= 0LL)) && ((2147483647LL + (long long )A) - (long long )end >= 0LL)) && ((2147483647LL + (long long )B) - (long long )end >= 0LL)) && ((2147483647LL + (long long )n) - (long long )start >= 0LL)) && ((3221225471LL + (long long )end) - (long long )n >= 0LL)) && ((3221225470LL - (long long )n) - (long long )start >= 0LL)) && ((3221225470LL - (long long )end) - (long long )n >= 0LL)) && ((4294967294LL - (long long )end) - (long long )start >= 0LL)) && ((5368709118LL - (long long )A) - (long long )n >= 0LL)) && ((5368709118LL - (long long )B) - (long long )n >= 0LL)) && ((6442450942LL - (long long )A) - (long long )end >= 0LL)) && ((6442450942LL - (long long )B) - (long long )end >= 0LL)) && ((long long )end - (long long )start >= 0LL) [2024-09-08 15:25:30,368 INFO L1541 ArrayList]: Location invariant before [L83-L83] (((((((((((((((((((((((2147483648LL + (long long )n) + (long long )start >= 0LL) && ((2147483648LL + (long long )end) + (long long )n >= 0LL)) && ((2147483647LL - (long long )end) + (long long )n >= 0LL)) && ((3221225471LL - (long long )n) + (long long )start >= 0LL)) && ((4294967295LL - (long long )A) + (long long )n >= 0LL)) && ((4294967295LL - (long long )B) + (long long )n >= 0LL)) && ((4294967295LL - (long long )end) + (long long )start >= 0LL)) && ((long long )A + (long long )n >= 0LL)) && ((long long )B + (long long )n >= 0LL)) && ((1073741823LL + (long long )A) - (long long )n >= 0LL)) && ((1073741823LL + (long long )B) - (long long )n >= 0LL)) && ((2147483647LL + (long long )A) - (long long )end >= 0LL)) && ((2147483647LL + (long long )B) - (long long )end >= 0LL)) && ((2147483647LL + (long long )n) - (long long )start >= 0LL)) && ((3221225471LL + (long long )end) - (long long )n >= 0LL)) && ((3221225470LL - (long long )n) - (long long )start >= 0LL)) && ((3221225470LL - (long long )end) - (long long )n >= 0LL)) && ((4294967294LL - (long long )end) - (long long )start >= 0LL)) && ((5368709118LL - (long long )A) - (long long )n >= 0LL)) && ((5368709118LL - (long long )B) - (long long )n >= 0LL)) && ((6442450942LL - (long long )A) - (long long )end >= 0LL)) && ((6442450942LL - (long long )B) - (long long )end >= 0LL)) && ((long long )end - (long long )start >= 0LL) [2024-09-08 15:25:30,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 15:25:30,606 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3081,3094] [2024-09-08 15:25:30,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 15:25:30,621 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 15:25:30,740 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3081,3094] [2024-09-08 15:25:30,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 15:25:30,763 INFO L204 MainTranslator]: Completed translation [2024-09-08 15:25:30,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30 WrapperNode [2024-09-08 15:25:30,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 15:25:30,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 15:25:30,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 15:25:30,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 15:25:30,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,842 INFO L138 Inliner]: procedures = 25, calls = 35, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 181 [2024-09-08 15:25:30,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 15:25:30,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 15:25:30,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 15:25:30,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 15:25:30,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 15:25:30,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 15:25:30,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 15:25:30,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 15:25:30,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (1/1) ... [2024-09-08 15:25:30,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 15:25:30,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:25:30,962 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) [2024-09-08 15:25:30,965 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 [2024-09-08 15:25:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 15:25:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-08 15:25:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-08 15:25:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-08 15:25:31,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-08 15:25:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-08 15:25:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-08 15:25:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 15:25:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-08 15:25:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 15:25:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 15:25:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-08 15:25:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 15:25:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 15:25:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-08 15:25:31,018 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 15:25:31,118 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 15:25:31,120 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 15:25:31,604 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 15:25:31,604 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 15:25:31,870 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 15:25:31,870 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-08 15:25:31,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:25:31 BoogieIcfgContainer [2024-09-08 15:25:31,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 15:25:31,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 15:25:31,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 15:25:31,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 15:25:31,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 03:25:28" (1/4) ... [2024-09-08 15:25:31,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d3df49 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 03:25:31, skipping insertion in model container [2024-09-08 15:25:31,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 03:25:30" (2/4) ... [2024-09-08 15:25:31,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d3df49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:25:31, skipping insertion in model container [2024-09-08 15:25:31,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:25:30" (3/4) ... [2024-09-08 15:25:31,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d3df49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:25:31, skipping insertion in model container [2024-09-08 15:25:31,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:25:31" (4/4) ... [2024-09-08 15:25:31,881 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2024-09-08 15:25:31,899 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 15:25:31,900 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-09-08 15:25:31,900 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 15:25:32,000 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-08 15:25:32,046 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:25:32,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 15:25:32,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:25:32,049 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) [2024-09-08 15:25:32,050 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 [2024-09-08 15:25:32,083 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 15:25:32,095 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2024-09-08 15:25:32,101 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@7fe7bcac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:25:32,101 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-08 15:25:32,306 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:25:32,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:25:32,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2005819915, now seen corresponding path program 1 times [2024-09-08 15:25:32,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:25:32,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550724010] [2024-09-08 15:25:32,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:32,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:25:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:33,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:25:33,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:25:33,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550724010] [2024-09-08 15:25:33,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550724010] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:25:33,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:25:33,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 15:25:33,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536449380] [2024-09-08 15:25:33,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:25:33,344 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 15:25:33,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:25:33,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 15:25:33,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 15:25:33,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:33,381 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:25:33,382 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-09-08 15:25:33,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:33,461 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 15:25:33,461 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:25:33,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:25:33,462 INFO L85 PathProgramCache]: Analyzing trace with hash 79432259, now seen corresponding path program 1 times [2024-09-08 15:25:33,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:25:33,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668499441] [2024-09-08 15:25:33,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:33,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:25:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:25:34,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:25:34,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668499441] [2024-09-08 15:25:34,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668499441] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:25:34,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581731493] [2024-09-08 15:25:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:34,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:25:34,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:25:34,041 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) [2024-09-08 15:25:34,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 15:25:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:34,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-08 15:25:34,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:25:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:25:34,386 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:25:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:25:34,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581731493] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:25:34,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:25:34,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 10 [2024-09-08 15:25:34,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834741362] [2024-09-08 15:25:34,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:25:34,834 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-08 15:25:34,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:25:34,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-08 15:25:34,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-09-08 15:25:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:34,837 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:25:34,838 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 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) [2024-09-08 15:25:34,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:34,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:35,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:35,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:25:35,844 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-08 15:25:35,847 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-09-08 15:25:35,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 15:25:36,048 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-08 15:25:36,056 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-08 15:25:36,057 INFO L312 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was SAFE,SAFE (1/4) [2024-09-08 15:25:36,061 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:25:36,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 15:25:36,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:25:36,064 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 15:25:36,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-09-08 15:25:36,070 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 15:25:36,071 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 15:25:36,072 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@7fe7bcac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:25:36,072 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-08 15:25:36,315 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 15:25:36,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:25:36,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1343824435, now seen corresponding path program 1 times [2024-09-08 15:25:36,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:25:36,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929101223] [2024-09-08 15:25:36,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:36,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:25:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 15:25:36,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:25:36,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929101223] [2024-09-08 15:25:36,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929101223] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:25:36,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:25:36,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 15:25:36,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45878811] [2024-09-08 15:25:36,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:25:36,382 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 15:25:36,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:25:36,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 15:25:36,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 15:25:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:36,384 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:25:36,384 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2024-09-08 15:25:36,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:36,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:36,648 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 15:25:36,648 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 15:25:36,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:25:36,649 INFO L85 PathProgramCache]: Analyzing trace with hash 2108821962, now seen corresponding path program 2 times [2024-09-08 15:25:36,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:25:36,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222193787] [2024-09-08 15:25:36,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:36,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:25:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-08 15:25:36,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:25:36,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222193787] [2024-09-08 15:25:36,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222193787] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:25:36,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:25:36,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 15:25:36,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084588908] [2024-09-08 15:25:36,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:25:36,822 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 15:25:36,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:25:36,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 15:25:36,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 15:25:36,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:36,823 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:25:36,824 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-09-08 15:25:36,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:36,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:36,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:36,912 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 15:25:36,912 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 15:25:36,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:25:36,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1574314600, now seen corresponding path program 1 times [2024-09-08 15:25:36,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:25:36,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070726322] [2024-09-08 15:25:36,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:36,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:25:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-08 15:25:37,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:25:37,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070726322] [2024-09-08 15:25:37,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070726322] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:25:37,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679003171] [2024-09-08 15:25:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:37,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:25:37,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:25:37,120 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) [2024-09-08 15:25:37,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 15:25:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:37,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-08 15:25:37,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:25:37,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-08 15:25:37,286 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:25:37,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-08 15:25:37,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679003171] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:25:37,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:25:37,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-09-08 15:25:37,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651000651] [2024-09-08 15:25:37,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:25:37,346 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-08 15:25:37,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:25:37,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-08 15:25:37,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-09-08 15:25:37,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:37,347 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:25:37,348 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 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) [2024-09-08 15:25:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:37,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:37,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:37,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:37,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:25:37,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-08 15:25:37,715 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:25:37,716 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 15:25:37,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:25:37,716 INFO L85 PathProgramCache]: Analyzing trace with hash 212568970, now seen corresponding path program 2 times [2024-09-08 15:25:37,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:25:37,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312907185] [2024-09-08 15:25:37,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:37,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:25:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:37,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-08 15:25:37,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:25:37,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312907185] [2024-09-08 15:25:37,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312907185] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:25:37,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:25:37,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-08 15:25:37,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241820904] [2024-09-08 15:25:37,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:25:37,941 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 15:25:37,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:25:37,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 15:25:37,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-08 15:25:37,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:37,942 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:25:37,942 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-09-08 15:25:37,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:37,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:37,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:25:37,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:25:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:25:38,155 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 15:25:38,155 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 15:25:38,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:25:38,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1598441313, now seen corresponding path program 1 times [2024-09-08 15:25:38,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:25:38,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511234483] [2024-09-08 15:25:38,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:38,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:25:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:38,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-09-08 15:25:38,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:25:38,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511234483] [2024-09-08 15:25:38,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511234483] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:25:38,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112028683] [2024-09-08 15:25:38,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:38,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:25:38,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:25:38,519 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) [2024-09-08 15:25:38,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 15:25:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:38,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-08 15:25:38,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:25:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-08 15:25:38,738 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:25:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-08 15:25:38,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112028683] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:25:38,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:25:38,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-09-08 15:25:38,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645619625] [2024-09-08 15:25:38,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:25:38,885 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-08 15:25:38,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:25:38,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-08 15:25:38,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-09-08 15:25:38,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:38,887 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:25:38,888 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 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) [2024-09-08 15:25:38,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:38,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:38,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:25:38,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:25:38,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:39,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:39,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:39,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:25:39,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:25:39,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 15:25:39,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-08 15:25:40,064 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-08 15:25:40,066 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 15:25:40,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:25:40,066 INFO L85 PathProgramCache]: Analyzing trace with hash 448567311, now seen corresponding path program 2 times [2024-09-08 15:25:40,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:25:40,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584022642] [2024-09-08 15:25:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:40,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:25:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 15:25:45,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:25:45,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584022642] [2024-09-08 15:25:45,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584022642] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:25:45,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451203294] [2024-09-08 15:25:45,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 15:25:45,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:25:45,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:25:45,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:25:45,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-08 15:25:45,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 15:25:45,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:25:46,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-09-08 15:25:46,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:25:46,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-09-08 15:25:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:25:46,918 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:25:52,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 107 [2024-09-08 15:25:52,372 INFO L349 Elim1Store]: treesize reduction 13, result has 64.9 percent of original size [2024-09-08 15:25:52,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 223 treesize of output 168 [2024-09-08 15:25:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:25:52,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451203294] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:25:52,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:25:52,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17, 17] total 45 [2024-09-08 15:25:52,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040992889] [2024-09-08 15:25:52,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:25:52,905 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-09-08 15:25:52,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:25:52,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-09-08 15:25:52,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=1772, Unknown=1, NotChecked=0, Total=2070 [2024-09-08 15:25:52,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:52,907 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:25:52,908 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 2.6739130434782608) internal successors, (123), 45 states have internal predecessors, (123), 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) [2024-09-08 15:25:52,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:52,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:52,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:25:52,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:25:52,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 15:25:52,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:25:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:25:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:25:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:25:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:25:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 15:25:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 15:25:54,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-08 15:25:54,387 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:25:54,387 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 15:25:54,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:25:54,388 INFO L85 PathProgramCache]: Analyzing trace with hash -502531185, now seen corresponding path program 3 times [2024-09-08 15:25:54,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:25:54,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452264386] [2024-09-08 15:25:54,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:25:54,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:25:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:25:58,437 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-08 15:25:58,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:25:58,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452264386] [2024-09-08 15:25:58,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452264386] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:25:58,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309398928] [2024-09-08 15:25:58,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 15:25:58,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:25:58,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:25:58,440 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:25:58,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 15:25:58,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-09-08 15:25:58,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:25:58,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-08 15:25:58,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:25:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 15:25:59,607 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:26:00,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-08 15:26:00,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 60 [2024-09-08 15:26:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-09-08 15:26:03,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309398928] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:26:03,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:26:03,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 8] total 40 [2024-09-08 15:26:03,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411220018] [2024-09-08 15:26:03,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:26:03,366 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-09-08 15:26:03,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:26:03,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-09-08 15:26:03,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1495, Unknown=0, NotChecked=0, Total=1640 [2024-09-08 15:26:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:03,370 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:26:03,370 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.7804878048780486) internal successors, (114), 40 states have internal predecessors, (114), 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) [2024-09-08 15:26:03,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:26:03,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:26:03,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:26:03,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:26:03,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 15:26:03,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 15:26:03,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:26:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:26:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:26:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:26:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 15:26:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-08 15:26:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 15:26:08,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-08 15:26:08,865 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-09-08 15:26:08,866 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-08 15:26:08,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:26:08,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1269321934, now seen corresponding path program 4 times [2024-09-08 15:26:08,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:26:08,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770134282] [2024-09-08 15:26:08,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:26:08,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:26:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:26:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 13 proven. 44 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 15:26:09,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:26:09,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770134282] [2024-09-08 15:26:09,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770134282] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:26:09,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678280191] [2024-09-08 15:26:09,545 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 15:26:09,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:26:09,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:26:09,549 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:26:09,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 15:26:09,680 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 15:26:09,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 15:26:09,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-08 15:26:09,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:26:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 13 proven. 44 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 15:26:09,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:26:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 13 proven. 44 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-09-08 15:26:10,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678280191] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:26:10,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:26:10,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 32 [2024-09-08 15:26:10,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132687084] [2024-09-08 15:26:10,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:26:10,473 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-08 15:26:10,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:26:10,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-08 15:26:10,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=832, Unknown=0, NotChecked=0, Total=992 [2024-09-08 15:26:10,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:10,475 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:26:10,475 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.40625) internal successors, (109), 32 states have internal predecessors, (109), 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) [2024-09-08 15:26:10,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:26:10,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:26:10,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:26:10,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:26:10,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 15:26:10,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-08 15:26:10,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 15:26:10,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 15:26:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:26:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 15:26:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:26:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 15:26:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-08 15:26:36,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-08 15:26:36,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-09-08 15:26:36,503 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-09-08 15:26:36,503 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-09-08 15:26:36,503 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-09-08 15:26:36,503 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-08 15:26:36,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-08 15:26:36,704 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:26:36,706 INFO L408 BasicCegarLoop]: Path program histogram: [4, 2, 2] [2024-09-08 15:26:36,706 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (2/4) [2024-09-08 15:26:36,708 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:26:36,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 15:26:36,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:26:36,709 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 15:26:36,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2024-09-08 15:26:36,714 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 15:26:36,715 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork2 ======== [2024-09-08 15:26:36,715 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@7fe7bcac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:26:36,715 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-08 15:26:36,784 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:26:36,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:26:36,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1070242477, now seen corresponding path program 1 times [2024-09-08 15:26:36,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:26:36,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296922248] [2024-09-08 15:26:36,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:26:36,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:26:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:26:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:26:37,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:26:37,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296922248] [2024-09-08 15:26:37,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296922248] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:26:37,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:26:37,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 15:26:37,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749840780] [2024-09-08 15:26:37,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:26:37,001 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 15:26:37,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:26:37,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 15:26:37,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 15:26:37,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:37,003 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:26:37,003 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-09-08 15:26:37,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:26:37,056 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-08 15:26:37,056 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:26:37,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:26:37,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1523938015, now seen corresponding path program 1 times [2024-09-08 15:26:37,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:26:37,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945480143] [2024-09-08 15:26:37,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:26:37,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:26:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:26:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:26:37,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:26:37,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945480143] [2024-09-08 15:26:37,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945480143] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:26:37,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479401182] [2024-09-08 15:26:37,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:26:37,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:26:37,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:26:37,314 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:26:37,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-08 15:26:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:26:37,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-08 15:26:37,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:26:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:26:37,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:26:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:26:37,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479401182] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:26:37,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:26:37,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 10 [2024-09-08 15:26:37,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250107934] [2024-09-08 15:26:37,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:26:37,780 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-08 15:26:37,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:26:37,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-08 15:26:37,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-09-08 15:26:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:37,781 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:26:37,781 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 10 states have internal predecessors, (32), 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) [2024-09-08 15:26:37,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:26:37,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:26:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:26:38,396 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-08 15:26:38,396 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-09-08 15:26:38,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-08 15:26:38,597 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-08 15:26:38,598 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-08 15:26:38,598 INFO L312 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork2 was SAFE,SAFE (3/4) [2024-09-08 15:26:38,600 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:26:38,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 15:26:38,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:26:38,602 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 15:26:38,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2024-09-08 15:26:38,606 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 15:26:38,606 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Thread1of1ForFork1 ======== [2024-09-08 15:26:38,607 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@7fe7bcac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 15:26:38,607 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-08 15:26:38,661 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:26:38,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:26:38,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1622885305, now seen corresponding path program 1 times [2024-09-08 15:26:38,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:26:38,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75408685] [2024-09-08 15:26:38,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:26:38,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:26:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:26:38,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:26:38,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:26:38,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75408685] [2024-09-08 15:26:38,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75408685] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 15:26:38,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 15:26:38,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 15:26:38,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408712609] [2024-09-08 15:26:38,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 15:26:38,826 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 15:26:38,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:26:38,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 15:26:38,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 15:26:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:38,826 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:26:38,827 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-09-08 15:26:38,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:26:38,865 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-08 15:26:38,865 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 15:26:38,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 15:26:38,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1074405717, now seen corresponding path program 1 times [2024-09-08 15:26:38,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 15:26:38,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753773313] [2024-09-08 15:26:38,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:26:38,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 15:26:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:26:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:26:39,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 15:26:39,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753773313] [2024-09-08 15:26:39,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753773313] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 15:26:39,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374208692] [2024-09-08 15:26:39,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 15:26:39,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 15:26:39,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 15:26:39,082 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 15:26:39,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-08 15:26:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 15:26:39,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-08 15:26:39,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 15:26:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:26:39,291 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 15:26:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 15:26:39,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374208692] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 15:26:39,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 15:26:39,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 8 [2024-09-08 15:26:39,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469570464] [2024-09-08 15:26:39,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 15:26:39,632 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 15:26:39,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 15:26:39,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 15:26:39,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-09-08 15:26:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:39,634 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 15:26:39,635 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 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) [2024-09-08 15:26:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:26:39,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 15:26:40,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 15:26:40,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 15:26:40,203 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-08 15:26:40,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-08 15:26:40,404 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-09-08 15:26:40,408 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-08 15:26:40,408 INFO L312 ceAbstractionStarter]: Result for error location thread3Thread1of1ForFork1 was SAFE (4/4) [2024-09-08 15:26:40,408 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 15:26:40,409 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 15:26:40,413 INFO L469 ceAbstractionStarter]: Automizer considered 5 witness invariants [2024-09-08 15:26:40,413 INFO L470 ceAbstractionStarter]: WitnessConsidered=5 [2024-09-08 15:26:40,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 03:26:40 BasicIcfg [2024-09-08 15:26:40,414 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 15:26:40,414 INFO L158 Benchmark]: Toolchain (without parser) took 70097.39ms. Allocated memory was 184.5MB in the beginning and 700.4MB in the end (delta: 515.9MB). Free memory was 99.5MB in the beginning and 424.3MB in the end (delta: -324.8MB). Peak memory consumption was 192.9MB. Max. memory is 16.1GB. [2024-09-08 15:26:40,415 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 15:26:40,415 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 15:26:40,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.91ms. Allocated memory is still 184.5MB. Free memory was 99.3MB in the beginning and 148.8MB in the end (delta: -49.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-09-08 15:26:40,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.46ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 152.8MB in the end (delta: -4.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-09-08 15:26:40,416 INFO L158 Benchmark]: Boogie Preprocessor took 60.64ms. Allocated memory is still 184.5MB. Free memory was 152.8MB in the beginning and 150.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 15:26:40,416 INFO L158 Benchmark]: RCFGBuilder took 963.39ms. Allocated memory is still 184.5MB. Free memory was 150.7MB in the beginning and 64.7MB in the end (delta: 86.0MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-09-08 15:26:40,419 INFO L158 Benchmark]: TraceAbstraction took 68540.89ms. Allocated memory was 184.5MB in the beginning and 700.4MB in the end (delta: 515.9MB). Free memory was 64.7MB in the beginning and 424.3MB in the end (delta: -359.6MB). Peak memory consumption was 158.0MB. Max. memory is 16.1GB. [2024-09-08 15:26:40,420 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 0.16ms. Allocated memory is still 184.5MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.91ms. Allocated memory is still 184.5MB. Free memory was 99.3MB in the beginning and 148.8MB in the end (delta: -49.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.46ms. Allocated memory is still 184.5MB. Free memory was 148.8MB in the beginning and 152.8MB in the end (delta: -4.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.64ms. Allocated memory is still 184.5MB. Free memory was 152.8MB in the beginning and 150.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 963.39ms. Allocated memory is still 184.5MB. Free memory was 150.7MB in the beginning and 64.7MB in the end (delta: 86.0MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * TraceAbstraction took 68540.89ms. Allocated memory was 184.5MB in the beginning and 700.4MB in the end (delta: 515.9MB). Free memory was 64.7MB in the beginning and 424.3MB in the end (delta: -359.6MB). Peak memory consumption was 158.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6058, independent: 5235, independent conditional: 4432, independent unconditional: 803, dependent: 823, dependent conditional: 809, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5267, independent: 5235, independent conditional: 4432, independent unconditional: 803, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5267, independent: 5235, independent conditional: 4432, independent unconditional: 803, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5385, independent: 5235, independent conditional: 4432, independent unconditional: 803, dependent: 150, dependent conditional: 136, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5385, independent: 5235, independent conditional: 100, independent unconditional: 5135, dependent: 150, dependent conditional: 18, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5385, independent: 5235, independent conditional: 100, independent unconditional: 5135, dependent: 150, dependent conditional: 18, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 751, independent: 732, independent conditional: 12, independent unconditional: 720, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 751, independent: 711, independent conditional: 0, independent unconditional: 711, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 21, independent conditional: 12, independent unconditional: 9, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 21, independent conditional: 12, independent unconditional: 9, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 513, independent: 261, independent conditional: 147, independent unconditional: 114, dependent: 252, dependent conditional: 45, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5385, independent: 4503, independent conditional: 88, independent unconditional: 4415, dependent: 131, dependent conditional: 15, dependent unconditional: 116, unknown: 751, unknown conditional: 15, unknown unconditional: 736] , Statistics on independence cache: Total cache size (in pairs): 751, Positive cache size: 732, Positive conditional cache size: 12, Positive unconditional cache size: 720, Negative cache size: 19, Negative conditional cache size: 3, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4450, Maximal queried relation: 1, Independence queries for same thread: 791, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 430, Number of trivial persistent sets: 386, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 817, independent: 803, independent conditional: 0, independent unconditional: 803, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6058, independent: 5235, independent conditional: 4432, independent unconditional: 803, dependent: 823, dependent conditional: 809, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5267, independent: 5235, independent conditional: 4432, independent unconditional: 803, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5267, independent: 5235, independent conditional: 4432, independent unconditional: 803, dependent: 32, dependent conditional: 18, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5385, independent: 5235, independent conditional: 4432, independent unconditional: 803, dependent: 150, dependent conditional: 136, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5385, independent: 5235, independent conditional: 100, independent unconditional: 5135, dependent: 150, dependent conditional: 18, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5385, independent: 5235, independent conditional: 100, independent unconditional: 5135, dependent: 150, dependent conditional: 18, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 751, independent: 732, independent conditional: 12, independent unconditional: 720, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 751, independent: 711, independent conditional: 0, independent unconditional: 711, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 21, independent conditional: 12, independent unconditional: 9, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 21, independent conditional: 12, independent unconditional: 9, dependent: 19, dependent conditional: 3, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 513, independent: 261, independent conditional: 147, independent unconditional: 114, dependent: 252, dependent conditional: 45, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5385, independent: 4503, independent conditional: 88, independent unconditional: 4415, dependent: 131, dependent conditional: 15, dependent unconditional: 116, unknown: 751, unknown conditional: 15, unknown unconditional: 736] , Statistics on independence cache: Total cache size (in pairs): 751, Positive cache size: 732, Positive conditional cache size: 12, Positive unconditional cache size: 720, Negative cache size: 19, Negative conditional cache size: 3, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4450, Maximal queried relation: 1, Independence queries for same thread: 791 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 89153, independent: 75286, independent conditional: 74384, independent unconditional: 902, dependent: 13867, dependent conditional: 13853, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76150, independent: 75286, independent conditional: 74384, independent unconditional: 902, dependent: 864, dependent conditional: 850, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 76150, independent: 75286, independent conditional: 74384, independent unconditional: 902, dependent: 864, dependent conditional: 850, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80375, independent: 75286, independent conditional: 74384, independent unconditional: 902, dependent: 5089, dependent conditional: 5075, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 80375, independent: 75286, independent conditional: 1110, independent unconditional: 74176, dependent: 5089, dependent conditional: 2746, dependent unconditional: 2343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 80375, independent: 75286, independent conditional: 1110, independent unconditional: 74176, dependent: 5089, dependent conditional: 2746, dependent unconditional: 2343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1099, independent: 914, independent conditional: 109, independent unconditional: 805, dependent: 185, dependent conditional: 167, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1099, independent: 795, independent conditional: 0, independent unconditional: 795, dependent: 304, dependent conditional: 0, dependent unconditional: 304, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 304, independent: 119, independent conditional: 109, independent unconditional: 10, dependent: 185, dependent conditional: 167, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 304, independent: 119, independent conditional: 109, independent unconditional: 10, dependent: 185, dependent conditional: 167, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2544, independent: 992, independent conditional: 904, independent unconditional: 88, dependent: 1553, dependent conditional: 1397, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 80375, independent: 74372, independent conditional: 1001, independent unconditional: 73371, dependent: 4904, dependent conditional: 2579, dependent unconditional: 2325, unknown: 1099, unknown conditional: 276, unknown unconditional: 823] , Statistics on independence cache: Total cache size (in pairs): 1099, Positive cache size: 914, Positive conditional cache size: 109, Positive unconditional cache size: 805, Negative cache size: 185, Negative conditional cache size: 167, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 75603, Maximal queried relation: 6, Independence queries for same thread: 13003, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 676, Number of trivial persistent sets: 587, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 916, independent: 902, independent conditional: 0, independent unconditional: 902, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 89153, independent: 75286, independent conditional: 74384, independent unconditional: 902, dependent: 13867, dependent conditional: 13853, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76150, independent: 75286, independent conditional: 74384, independent unconditional: 902, dependent: 864, dependent conditional: 850, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 76150, independent: 75286, independent conditional: 74384, independent unconditional: 902, dependent: 864, dependent conditional: 850, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80375, independent: 75286, independent conditional: 74384, independent unconditional: 902, dependent: 5089, dependent conditional: 5075, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 80375, independent: 75286, independent conditional: 1110, independent unconditional: 74176, dependent: 5089, dependent conditional: 2746, dependent unconditional: 2343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 80375, independent: 75286, independent conditional: 1110, independent unconditional: 74176, dependent: 5089, dependent conditional: 2746, dependent unconditional: 2343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1099, independent: 914, independent conditional: 109, independent unconditional: 805, dependent: 185, dependent conditional: 167, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1099, independent: 795, independent conditional: 0, independent unconditional: 795, dependent: 304, dependent conditional: 0, dependent unconditional: 304, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 304, independent: 119, independent conditional: 109, independent unconditional: 10, dependent: 185, dependent conditional: 167, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 304, independent: 119, independent conditional: 109, independent unconditional: 10, dependent: 185, dependent conditional: 167, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2544, independent: 992, independent conditional: 904, independent unconditional: 88, dependent: 1553, dependent conditional: 1397, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 80375, independent: 74372, independent conditional: 1001, independent unconditional: 73371, dependent: 4904, dependent conditional: 2579, dependent unconditional: 2325, unknown: 1099, unknown conditional: 276, unknown unconditional: 823] , Statistics on independence cache: Total cache size (in pairs): 1099, Positive cache size: 914, Positive conditional cache size: 109, Positive unconditional cache size: 805, Negative cache size: 185, Negative conditional cache size: 167, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 75603, Maximal queried relation: 6, Independence queries for same thread: 13003 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6353, independent: 5492, independent conditional: 4693, independent unconditional: 799, dependent: 861, dependent conditional: 847, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5526, independent: 5492, independent conditional: 4693, independent unconditional: 799, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5526, independent: 5492, independent conditional: 4693, independent unconditional: 799, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5659, independent: 5492, independent conditional: 4693, independent unconditional: 799, dependent: 167, dependent conditional: 153, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5659, independent: 5492, independent conditional: 113, independent unconditional: 5379, dependent: 167, dependent conditional: 20, dependent unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5659, independent: 5492, independent conditional: 113, independent unconditional: 5379, dependent: 167, dependent conditional: 20, dependent unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 737, independent: 719, independent conditional: 12, independent unconditional: 707, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 737, independent: 698, independent conditional: 0, independent unconditional: 698, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 39, independent: 21, independent conditional: 12, independent unconditional: 9, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, independent: 21, independent conditional: 12, independent unconditional: 9, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 250, independent: 154, independent conditional: 85, independent unconditional: 70, dependent: 95, dependent conditional: 15, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5659, independent: 4773, independent conditional: 101, independent unconditional: 4672, dependent: 149, dependent conditional: 18, dependent unconditional: 131, unknown: 737, unknown conditional: 14, unknown unconditional: 723] , Statistics on independence cache: Total cache size (in pairs): 737, Positive cache size: 719, Positive conditional cache size: 12, Positive unconditional cache size: 707, Negative cache size: 18, Negative conditional cache size: 2, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4713, Maximal queried relation: 1, Independence queries for same thread: 827, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 439, Number of trivial persistent sets: 388, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 813, independent: 799, independent conditional: 0, independent unconditional: 799, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6353, independent: 5492, independent conditional: 4693, independent unconditional: 799, dependent: 861, dependent conditional: 847, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5526, independent: 5492, independent conditional: 4693, independent unconditional: 799, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5526, independent: 5492, independent conditional: 4693, independent unconditional: 799, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5659, independent: 5492, independent conditional: 4693, independent unconditional: 799, dependent: 167, dependent conditional: 153, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5659, independent: 5492, independent conditional: 113, independent unconditional: 5379, dependent: 167, dependent conditional: 20, dependent unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5659, independent: 5492, independent conditional: 113, independent unconditional: 5379, dependent: 167, dependent conditional: 20, dependent unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 737, independent: 719, independent conditional: 12, independent unconditional: 707, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 737, independent: 698, independent conditional: 0, independent unconditional: 698, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 39, independent: 21, independent conditional: 12, independent unconditional: 9, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, independent: 21, independent conditional: 12, independent unconditional: 9, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 250, independent: 154, independent conditional: 85, independent unconditional: 70, dependent: 95, dependent conditional: 15, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5659, independent: 4773, independent conditional: 101, independent unconditional: 4672, dependent: 149, dependent conditional: 18, dependent unconditional: 131, unknown: 737, unknown conditional: 14, unknown unconditional: 723] , Statistics on independence cache: Total cache size (in pairs): 737, Positive cache size: 719, Positive conditional cache size: 12, Positive unconditional cache size: 707, Negative cache size: 18, Negative conditional cache size: 2, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4713, Maximal queried relation: 1, Independence queries for same thread: 827 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3866, independent: 3425, independent conditional: 2713, independent unconditional: 712, dependent: 441, dependent conditional: 427, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3480, independent: 3425, independent conditional: 2713, independent unconditional: 712, dependent: 55, dependent conditional: 41, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3480, independent: 3425, independent conditional: 2713, independent unconditional: 712, dependent: 55, dependent conditional: 41, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3644, independent: 3425, independent conditional: 2713, independent unconditional: 712, dependent: 219, dependent conditional: 205, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3644, independent: 3425, independent conditional: 123, independent unconditional: 3302, dependent: 219, dependent conditional: 41, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3644, independent: 3425, independent conditional: 123, independent unconditional: 3302, dependent: 219, dependent conditional: 41, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 705, independent: 683, independent conditional: 20, independent unconditional: 663, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 705, independent: 653, independent conditional: 0, independent unconditional: 653, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 52, independent: 30, independent conditional: 20, independent unconditional: 10, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 30, independent conditional: 20, independent unconditional: 10, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 281, independent: 172, independent conditional: 109, independent unconditional: 62, dependent: 110, dependent conditional: 23, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3644, independent: 2742, independent conditional: 103, independent unconditional: 2639, dependent: 197, dependent conditional: 37, dependent unconditional: 160, unknown: 705, unknown conditional: 24, unknown unconditional: 681] , Statistics on independence cache: Total cache size (in pairs): 705, Positive cache size: 683, Positive conditional cache size: 20, Positive unconditional cache size: 663, Negative cache size: 22, Negative conditional cache size: 4, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2754, Maximal queried relation: 1, Independence queries for same thread: 386, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 165, Number of trivial persistent sets: 123, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 726, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3866, independent: 3425, independent conditional: 2713, independent unconditional: 712, dependent: 441, dependent conditional: 427, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3480, independent: 3425, independent conditional: 2713, independent unconditional: 712, dependent: 55, dependent conditional: 41, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3480, independent: 3425, independent conditional: 2713, independent unconditional: 712, dependent: 55, dependent conditional: 41, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3644, independent: 3425, independent conditional: 2713, independent unconditional: 712, dependent: 219, dependent conditional: 205, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3644, independent: 3425, independent conditional: 123, independent unconditional: 3302, dependent: 219, dependent conditional: 41, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3644, independent: 3425, independent conditional: 123, independent unconditional: 3302, dependent: 219, dependent conditional: 41, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 705, independent: 683, independent conditional: 20, independent unconditional: 663, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 705, independent: 653, independent conditional: 0, independent unconditional: 653, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 52, independent: 30, independent conditional: 20, independent unconditional: 10, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 30, independent conditional: 20, independent unconditional: 10, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 281, independent: 172, independent conditional: 109, independent unconditional: 62, dependent: 110, dependent conditional: 23, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3644, independent: 2742, independent conditional: 103, independent unconditional: 2639, dependent: 197, dependent conditional: 37, dependent unconditional: 160, unknown: 705, unknown conditional: 24, unknown unconditional: 681] , Statistics on independence cache: Total cache size (in pairs): 705, Positive cache size: 683, Positive conditional cache size: 20, Positive unconditional cache size: 663, Negative cache size: 22, Negative conditional cache size: 4, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2754, Maximal queried relation: 1, Independence queries for same thread: 386 - PositiveResult [Line: 69]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 73]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 110]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 53]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 57]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 83]: 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: thread2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 64 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, 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: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 871 SizeOfPredicates, 8 NumberOfNonLiveVariables, 141 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 64 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 60.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 34.5s, 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: 181, 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, 0.9s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 725 ConstructedInterpolants, 0 QuantifiedInterpolants, 17255 SizeOfPredicates, 35 NumberOfNonLiveVariables, 2119 ConjunctsInSsa, 121 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 228/530 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 64 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 870 SizeOfPredicates, 8 NumberOfNonLiveVariables, 139 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread3Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 64 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 843 SizeOfPredicates, 3 NumberOfNonLiveVariables, 136 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-08 15:26:40,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Forceful destruction successful, exit code 0 [2024-09-08 15:26:40,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Ended with exit code 0 [2024-09-08 15:26:40,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-09-08 15:26:41,058 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 [2024-09-08 15:26:41,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE