./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/popl20-more-dec-subseq.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c ./goblint.2024-08-08_07-59-58.files/mutex-meet-local/popl20-more-dec-subseq.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 02:43:15,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 02:43:15,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 02:43:15,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 02:43:15,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 02:43:15,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 02:43:15,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 02:43:15,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 02:43:15,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 02:43:15,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 02:43:15,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 02:43:15,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 02:43:15,856 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 02:43:15,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 02:43:15,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 02:43:15,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 02:43:15,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 02:43:15,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 02:43:15,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 02:43:15,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 02:43:15,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 02:43:15,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 02:43:15,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 02:43:15,863 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 02:43:15,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 02:43:15,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 02:43:15,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 02:43:15,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 02:43:15,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 02:43:15,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 02:43:15,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 02:43:15,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 02:43:15,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 02:43:15,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 02:43:15,867 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 02:43:15,868 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 02:43:15,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 02:43:15,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 02:43:15,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 02:43:15,869 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 02:43:15,869 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 02:43:15,869 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 02:43:15,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-14 02:43:16,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 02:43:16,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 02:43:16,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 02:43:16,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 02:43:16,163 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 02:43:16,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2024-08-14 02:43:17,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 02:43:17,781 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 02:43:17,782 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2024-08-14 02:43:17,790 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/880f151b4/7ff7f68b71724d2da0822cd5094430fd/FLAGb2c8db41f [2024-08-14 02:43:18,153 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/880f151b4/7ff7f68b71724d2da0822cd5094430fd [2024-08-14 02:43:18,155 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 02:43:18,155 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 02:43:18,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/popl20-more-dec-subseq.wvr.yml/witness.yml [2024-08-14 02:43:18,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 02:43:18,438 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 02:43:18,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 02:43:18,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 02:43:18,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 02:43:18,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:43:18" (1/2) ... [2024-08-14 02:43:18,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e1ddd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:43:18, skipping insertion in model container [2024-08-14 02:43:18,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:43:18" (1/2) ... [2024-08-14 02:43:18,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66422c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:43:18, skipping insertion in model container [2024-08-14 02:43:18,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 02:43:18" (2/2) ... [2024-08-14 02:43:18,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e1ddd7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18, skipping insertion in model container [2024-08-14 02:43:18,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 02:43:18" (2/2) ... [2024-08-14 02:43:18,451 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 02:43:18,514 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 02:43:18,515 INFO L97 edCorrectnessWitness]: Location invariant before [L78-L78] (((((((((((((((((((((((((((((((0 <= i) && (1 <= N)) && (N <= 1073741823)) && ((-1LL + (long long )N) + (long long )i >= 0LL)) && ((-1LL + (long long )N) + (long long )n >= 0LL)) && ((2147483647LL + (long long )N) + (long long )start >= 0LL)) && ((2147483647LL + (long long )N) + (long long )end >= 0LL)) && ((2147483648LL + (long long )n) + (long long )start >= 0LL)) && ((2147483648LL + (long long )end) + (long long )n >= 0LL)) && ((1073741823LL - (long long )N) + (long long )i >= 0LL)) && ((1073741823LL - (long long )N) + (long long )n >= 0LL)) && ((2147483647LL - (long long )end) + (long long )i >= 0LL)) && ((2147483647LL - (long long )end) + (long long )n >= 0LL)) && ((3221225471LL - (long long )N) + (long long )start >= 0LL)) && ((3221225471LL - (long long )N) + (long long )end >= 0LL)) && ((3221225471LL - (long long )n) + (long long )start >= 0LL)) && ((4294967295LL - (long long )end) + (long long )start >= 0LL)) && ((long long )i + (long long )n >= 0LL)) && ((1073741822LL + (long long )N) - (long long )n >= 0LL)) && ((1073741823LL + (long long )i) - (long long )n >= 0LL)) && ((2147483646LL + (long long )N) - (long long )start >= 0LL)) && ((2147483646LL + (long long )N) - (long long )end >= 0LL)) && ((2147483647LL + (long long )i) - (long long )start >= 0LL)) && ((2147483647LL + (long long )n) - (long long )start >= 0LL)) && ((3221225471LL + (long long )end) - (long long )n >= 0LL)) && ((4294967295LL + (long long )end) - (long long )start >= 0LL)) && ((2147483646LL - (long long )N) - (long long )n >= 0LL)) && ((3221225470LL - (long long )N) - (long long )start >= 0LL)) && ((3221225470LL - (long long )N) - (long long )end >= 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) [2024-08-14 02:43:18,515 INFO L97 edCorrectnessWitness]: Location invariant before [L51-L51] (((((((((((((((((((((((((((((((0 <= i) && (1 <= N)) && (N <= 1073741823)) && ((-1LL + (long long )N) + (long long )i >= 0LL)) && ((-1LL + (long long )N) + (long long )n >= 0LL)) && ((2147483647LL + (long long )N) + (long long )start >= 0LL)) && ((2147483647LL + (long long )N) + (long long )end >= 0LL)) && ((2147483648LL + (long long )n) + (long long )start >= 0LL)) && ((2147483648LL + (long long )end) + (long long )n >= 0LL)) && ((1073741823LL - (long long )N) + (long long )i >= 0LL)) && ((1073741823LL - (long long )N) + (long long )n >= 0LL)) && ((2147483647LL - (long long )end) + (long long )i >= 0LL)) && ((2147483647LL - (long long )end) + (long long )n >= 0LL)) && ((3221225471LL - (long long )N) + (long long )start >= 0LL)) && ((3221225471LL - (long long )N) + (long long )end >= 0LL)) && ((3221225471LL - (long long )n) + (long long )start >= 0LL)) && ((4294967295LL - (long long )end) + (long long )start >= 0LL)) && ((long long )i + (long long )n >= 0LL)) && ((1073741822LL + (long long )N) - (long long )n >= 0LL)) && ((1073741823LL + (long long )i) - (long long )n >= 0LL)) && ((2147483646LL + (long long )N) - (long long )start >= 0LL)) && ((2147483646LL + (long long )N) - (long long )end >= 0LL)) && ((2147483647LL + (long long )i) - (long long )start >= 0LL)) && ((2147483647LL + (long long )n) - (long long )start >= 0LL)) && ((3221225471LL + (long long )end) - (long long )n >= 0LL)) && ((4294967295LL + (long long )end) - (long long )start >= 0LL)) && ((2147483646LL - (long long )N) - (long long )n >= 0LL)) && ((3221225470LL - (long long )N) - (long long )start >= 0LL)) && ((3221225470LL - (long long )N) - (long long )end >= 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) [2024-08-14 02:43:18,515 INFO L97 edCorrectnessWitness]: Location invariant before [L58-L58] (((((((((((((((((((((((((((((((0 <= i) && (1 <= N)) && (N <= 1073741823)) && ((-1LL + (long long )N) + (long long )i >= 0LL)) && ((-1LL + (long long )N) + (long long )n >= 0LL)) && ((2147483647LL + (long long )N) + (long long )start >= 0LL)) && ((2147483647LL + (long long )N) + (long long )end >= 0LL)) && ((2147483648LL + (long long )n) + (long long )start >= 0LL)) && ((2147483648LL + (long long )end) + (long long )n >= 0LL)) && ((1073741823LL - (long long )N) + (long long )i >= 0LL)) && ((1073741823LL - (long long )N) + (long long )n >= 0LL)) && ((2147483647LL - (long long )end) + (long long )i >= 0LL)) && ((2147483647LL - (long long )end) + (long long )n >= 0LL)) && ((3221225471LL - (long long )N) + (long long )start >= 0LL)) && ((3221225471LL - (long long )N) + (long long )end >= 0LL)) && ((3221225471LL - (long long )n) + (long long )start >= 0LL)) && ((4294967295LL - (long long )end) + (long long )start >= 0LL)) && ((long long )i + (long long )n >= 0LL)) && ((1073741822LL + (long long )N) - (long long )n >= 0LL)) && ((1073741823LL + (long long )i) - (long long )n >= 0LL)) && ((2147483646LL + (long long )N) - (long long )start >= 0LL)) && ((2147483646LL + (long long )N) - (long long )end >= 0LL)) && ((2147483647LL + (long long )i) - (long long )start >= 0LL)) && ((2147483647LL + (long long )n) - (long long )start >= 0LL)) && ((3221225471LL + (long long )end) - (long long )n >= 0LL)) && ((4294967295LL + (long long )end) - (long long )start >= 0LL)) && ((2147483646LL - (long long )N) - (long long )n >= 0LL)) && ((3221225470LL - (long long )N) - (long long )start >= 0LL)) && ((3221225470LL - (long long )N) - (long long )end >= 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) [2024-08-14 02:43:18,516 INFO L97 edCorrectnessWitness]: Location invariant before [L67-L67] (((((((((((((((((((((((((((((((0 <= i) && (1 <= N)) && (N <= 1073741823)) && ((-1LL + (long long )N) + (long long )i >= 0LL)) && ((-1LL + (long long )N) + (long long )n >= 0LL)) && ((2147483647LL + (long long )N) + (long long )start >= 0LL)) && ((2147483647LL + (long long )N) + (long long )end >= 0LL)) && ((2147483648LL + (long long )n) + (long long )start >= 0LL)) && ((2147483648LL + (long long )end) + (long long )n >= 0LL)) && ((1073741823LL - (long long )N) + (long long )i >= 0LL)) && ((1073741823LL - (long long )N) + (long long )n >= 0LL)) && ((2147483647LL - (long long )end) + (long long )i >= 0LL)) && ((2147483647LL - (long long )end) + (long long )n >= 0LL)) && ((3221225471LL - (long long )N) + (long long )start >= 0LL)) && ((3221225471LL - (long long )N) + (long long )end >= 0LL)) && ((3221225471LL - (long long )n) + (long long )start >= 0LL)) && ((4294967295LL - (long long )end) + (long long )start >= 0LL)) && ((long long )i + (long long )n >= 0LL)) && ((1073741822LL + (long long )N) - (long long )n >= 0LL)) && ((1073741823LL + (long long )i) - (long long )n >= 0LL)) && ((2147483646LL + (long long )N) - (long long )start >= 0LL)) && ((2147483646LL + (long long )N) - (long long )end >= 0LL)) && ((2147483647LL + (long long )i) - (long long )start >= 0LL)) && ((2147483647LL + (long long )n) - (long long )start >= 0LL)) && ((3221225471LL + (long long )end) - (long long )n >= 0LL)) && ((4294967295LL + (long long )end) - (long long )start >= 0LL)) && ((2147483646LL - (long long )N) - (long long )n >= 0LL)) && ((3221225470LL - (long long )N) - (long long )start >= 0LL)) && ((3221225470LL - (long long )N) - (long long )end >= 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) [2024-08-14 02:43:18,516 INFO L97 edCorrectnessWitness]: Location invariant before [L71-L71] (((((((((((((((((((((((((((((((0 <= i) && (1 <= N)) && (N <= 1073741823)) && ((-1LL + (long long )N) + (long long )i >= 0LL)) && ((-1LL + (long long )N) + (long long )n >= 0LL)) && ((2147483647LL + (long long )N) + (long long )start >= 0LL)) && ((2147483647LL + (long long )N) + (long long )end >= 0LL)) && ((2147483648LL + (long long )n) + (long long )start >= 0LL)) && ((2147483648LL + (long long )end) + (long long )n >= 0LL)) && ((1073741823LL - (long long )N) + (long long )i >= 0LL)) && ((1073741823LL - (long long )N) + (long long )n >= 0LL)) && ((2147483647LL - (long long )end) + (long long )i >= 0LL)) && ((2147483647LL - (long long )end) + (long long )n >= 0LL)) && ((3221225471LL - (long long )N) + (long long )start >= 0LL)) && ((3221225471LL - (long long )N) + (long long )end >= 0LL)) && ((3221225471LL - (long long )n) + (long long )start >= 0LL)) && ((4294967295LL - (long long )end) + (long long )start >= 0LL)) && ((long long )i + (long long )n >= 0LL)) && ((1073741822LL + (long long )N) - (long long )n >= 0LL)) && ((1073741823LL + (long long )i) - (long long )n >= 0LL)) && ((2147483646LL + (long long )N) - (long long )start >= 0LL)) && ((2147483646LL + (long long )N) - (long long )end >= 0LL)) && ((2147483647LL + (long long )i) - (long long )start >= 0LL)) && ((2147483647LL + (long long )n) - (long long )start >= 0LL)) && ((3221225471LL + (long long )end) - (long long )n >= 0LL)) && ((4294967295LL + (long long )end) - (long long )start >= 0LL)) && ((2147483646LL - (long long )N) - (long long )n >= 0LL)) && ((3221225470LL - (long long )N) - (long long )start >= 0LL)) && ((3221225470LL - (long long )N) - (long long )end >= 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) [2024-08-14 02:43:18,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 02:43:18,780 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 02:43:18,795 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 02:43:18,913 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 02:43:18,929 INFO L206 MainTranslator]: Completed translation [2024-08-14 02:43:18,931 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18 WrapperNode [2024-08-14 02:43:18,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 02:43:18,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 02:43:18,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 02:43:18,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 02:43:18,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:18,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:18,994 INFO L138 Inliner]: procedures = 23, calls = 36, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 194 [2024-08-14 02:43:18,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 02:43:18,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 02:43:18,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 02:43:18,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 02:43:19,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:19,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:19,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:19,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:19,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:19,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:19,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:19,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:19,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 02:43:19,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 02:43:19,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 02:43:19,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 02:43:19,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (1/1) ... [2024-08-14 02:43:19,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 02:43:19,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:43:19,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 02:43:19,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 02:43:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 02:43:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 02:43:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 02:43:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 02:43:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 02:43:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 02:43:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-14 02:43:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 02:43:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 02:43:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-14 02:43:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 02:43:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 02:43:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-14 02:43:19,107 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 02:43:19,198 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 02:43:19,200 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 02:43:19,674 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 02:43:19,674 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 02:43:19,975 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 02:43:19,975 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-14 02:43:19,976 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:43:19 BoogieIcfgContainer [2024-08-14 02:43:19,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 02:43:19,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 02:43:19,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 02:43:19,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 02:43:19,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:43:18" (1/4) ... [2024-08-14 02:43:19,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2cd482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:43:19, skipping insertion in model container [2024-08-14 02:43:19,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 02:43:18" (2/4) ... [2024-08-14 02:43:19,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2cd482 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 02:43:19, skipping insertion in model container [2024-08-14 02:43:19,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 02:43:18" (3/4) ... [2024-08-14 02:43:19,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2cd482 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 02:43:19, skipping insertion in model container [2024-08-14 02:43:19,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:43:19" (4/4) ... [2024-08-14 02:43:19,986 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2024-08-14 02:43:20,006 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 02:43:20,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-08-14 02:43:20,007 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 02:43:20,163 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-14 02:43:20,206 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:43:20,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 02:43:20,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:43:20,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 02:43:20,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 02:43:20,245 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 02:43:20,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2024-08-14 02:43:20,265 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7da75769, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:43:20,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-14 02:43:20,353 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 02:43:20,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:43:20,359 INFO L85 PathProgramCache]: Analyzing trace with hash -406654468, now seen corresponding path program 1 times [2024-08-14 02:43:20,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:43:20,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371787104] [2024-08-14 02:43:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:20,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:43:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:20,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:43:20,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371787104] [2024-08-14 02:43:20,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371787104] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 02:43:20,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 02:43:20,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 02:43:20,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163333549] [2024-08-14 02:43:20,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 02:43:20,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 02:43:20,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:43:20,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 02:43:20,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 02:43:20,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:20,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:43:20,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 02:43:20,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:20,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:20,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 02:43:20,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 02:43:20,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:43:20,832 INFO L85 PathProgramCache]: Analyzing trace with hash -752694433, now seen corresponding path program 1 times [2024-08-14 02:43:20,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:43:20,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266113615] [2024-08-14 02:43:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:20,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:43:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:21,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:43:21,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266113615] [2024-08-14 02:43:21,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266113615] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 02:43:21,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101606895] [2024-08-14 02:43:21,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:21,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 02:43:21,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:43:21,611 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 02:43:21,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-14 02:43:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:21,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-14 02:43:21,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 02:43:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:22,038 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 02:43:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:23,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101606895] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 02:43:23,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 02:43:23,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-08-14 02:43:23,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772412347] [2024-08-14 02:43:23,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 02:43:23,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-14 02:43:23,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:43:23,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-14 02:43:23,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-08-14 02:43:23,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:23,609 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:43:23,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 02:43:23,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:23,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:23,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:23,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 02:43:23,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-08-14 02:43:24,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-14 02:43:24,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 02:43:24,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:43:24,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1590836129, now seen corresponding path program 1 times [2024-08-14 02:43:24,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:43:24,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759930434] [2024-08-14 02:43:24,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:24,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:43:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:24,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:43:24,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759930434] [2024-08-14 02:43:24,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759930434] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 02:43:24,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823698717] [2024-08-14 02:43:24,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:24,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 02:43:24,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:43:24,761 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 02:43:24,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-14 02:43:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:24,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 24 conjunts are in the unsatisfiable core [2024-08-14 02:43:24,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 02:43:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:25,094 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 02:43:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:26,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823698717] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 02:43:26,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 02:43:26,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-08-14 02:43:26,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233201571] [2024-08-14 02:43:26,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 02:43:26,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-08-14 02:43:26,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:43:26,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-08-14 02:43:26,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-08-14 02:43:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:26,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:43:26,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 02:43:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 02:43:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 02:43:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 02:43:26,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-14 02:43:27,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 02:43:27,090 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 02:43:27,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:43:27,091 INFO L85 PathProgramCache]: Analyzing trace with hash -2042300833, now seen corresponding path program 2 times [2024-08-14 02:43:27,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:43:27,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129282981] [2024-08-14 02:43:27,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:27,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:43:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:27,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:43:27,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129282981] [2024-08-14 02:43:27,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129282981] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 02:43:27,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532936317] [2024-08-14 02:43:27,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 02:43:27,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 02:43:27,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:43:27,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 02:43:27,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-14 02:43:28,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-14 02:43:28,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 02:43:28,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-14 02:43:28,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 02:43:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-08-14 02:43:28,325 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 02:43:28,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532936317] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 02:43:28,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 02:43:28,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 13 [2024-08-14 02:43:28,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995415928] [2024-08-14 02:43:28,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 02:43:28,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 02:43:28,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:43:28,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 02:43:28,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-08-14 02:43:28,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:28,329 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:43:28,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2024-08-14 02:43:28,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:28,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 02:43:28,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 02:43:28,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 02:43:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-14 02:43:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 02:43:30,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-08-14 02:43:30,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-08-14 02:43:30,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-08-14 02:43:30,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-08-14 02:43:30,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 02:43:30,389 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-08-14 02:43:30,390 INFO L308 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork0 was SAFE,SAFE,SAFE (1/3) [2024-08-14 02:43:30,393 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:43:30,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 02:43:30,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:43:30,395 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 02:43:30,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-08-14 02:43:30,399 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 02:43:30,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2024-08-14 02:43:30,400 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7da75769, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:43:30,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 02:43:30,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 02:43:30,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:43:30,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1983843950, now seen corresponding path program 1 times [2024-08-14 02:43:30,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:43:30,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435034591] [2024-08-14 02:43:30,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:30,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:43:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:30,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:43:30,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435034591] [2024-08-14 02:43:30,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435034591] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 02:43:30,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 02:43:30,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 02:43:30,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615726794] [2024-08-14 02:43:30,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 02:43:30,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 02:43:30,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:43:30,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 02:43:30,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 02:43:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:30,520 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:43:30,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 02:43:30,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:30,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:30,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-14 02:43:30,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 02:43:30,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:43:30,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1526767243, now seen corresponding path program 1 times [2024-08-14 02:43:30,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:43:30,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833383077] [2024-08-14 02:43:30,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:30,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:43:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:30,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:30,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:43:30,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833383077] [2024-08-14 02:43:30,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833383077] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 02:43:30,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156327330] [2024-08-14 02:43:30,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:30,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 02:43:30,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:43:30,999 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) [2024-08-14 02:43:30,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-14 02:43:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:31,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 20 conjunts are in the unsatisfiable core [2024-08-14 02:43:31,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 02:43:31,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:31,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 02:43:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:32,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156327330] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 02:43:32,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 02:43:32,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-08-14 02:43:32,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759444478] [2024-08-14 02:43:32,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 02:43:32,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-14 02:43:32,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:43:32,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-14 02:43:32,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-08-14 02:43:32,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:32,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:43:32,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 02:43:32,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:32,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 02:43:32,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-14 02:43:32,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 02:43:32,760 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 02:43:32,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:43:32,760 INFO L85 PathProgramCache]: Analyzing trace with hash 317053557, now seen corresponding path program 1 times [2024-08-14 02:43:32,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:43:32,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373440149] [2024-08-14 02:43:32,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:32,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:43:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:33,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:43:33,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373440149] [2024-08-14 02:43:33,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373440149] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 02:43:33,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022865647] [2024-08-14 02:43:33,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:33,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 02:43:33,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:43:33,350 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) [2024-08-14 02:43:33,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-14 02:43:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:33,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 24 conjunts are in the unsatisfiable core [2024-08-14 02:43:33,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 02:43:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:33,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 02:43:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:34,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022865647] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 02:43:34,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 02:43:34,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-08-14 02:43:34,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32019319] [2024-08-14 02:43:34,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 02:43:34,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-08-14 02:43:34,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:43:34,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-08-14 02:43:34,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-08-14 02:43:34,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:34,775 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:43:34,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 17 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 02:43:34,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:34,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 02:43:34,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 02:43:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 02:43:35,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-08-14 02:43:35,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-08-14 02:43:35,333 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 02:43:35,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 02:43:35,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1427377269, now seen corresponding path program 2 times [2024-08-14 02:43:35,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 02:43:35,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738958027] [2024-08-14 02:43:35,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 02:43:35,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 02:43:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 02:43:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 02:43:36,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 02:43:36,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738958027] [2024-08-14 02:43:36,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738958027] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 02:43:36,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539042229] [2024-08-14 02:43:36,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 02:43:36,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 02:43:36,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:43:36,160 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) [2024-08-14 02:43:36,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-14 02:43:36,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-14 02:43:36,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 02:43:36,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 21 conjunts are in the unsatisfiable core [2024-08-14 02:43:36,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 02:43:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-08-14 02:43:36,598 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 02:43:36,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539042229] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 02:43:36,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 02:43:36,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 14 [2024-08-14 02:43:36,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111631520] [2024-08-14 02:43:36,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 02:43:36,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 02:43:36,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 02:43:36,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 02:43:36,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-08-14 02:43:36,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:36,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 02:43:36,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 02:43:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 02:43:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 02:43:36,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 02:43:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 02:43:38,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 02:43:38,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-08-14 02:43:38,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 02:43:38,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-14 02:43:38,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-08-14 02:43:38,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-14 02:43:38,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 02:43:38,306 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-08-14 02:43:38,307 INFO L308 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE (2/3) [2024-08-14 02:43:38,308 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:43:38,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 02:43:38,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 02:43:38,310 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) [2024-08-14 02:43:38,312 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 [2024-08-14 02:43:38,314 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 02:43:38,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 02:43:38,315 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7da75769, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 02:43:38,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 02:43:38,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-08-14 02:43:38,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-14 02:43:38,346 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-14 02:43:38,346 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (3/3) [2024-08-14 02:43:38,347 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 02:43:38,347 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 02:43:38,349 INFO L507 ceAbstractionStarter]: Automizer considered 5 witness invariants [2024-08-14 02:43:38,349 INFO L508 ceAbstractionStarter]: WitnessConsidered=5 [2024-08-14 02:43:38,350 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:43:38 BasicIcfg [2024-08-14 02:43:38,350 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 02:43:38,350 INFO L158 Benchmark]: Toolchain (without parser) took 19913.02ms. Allocated memory was 146.8MB in the beginning and 474.0MB in the end (delta: 327.2MB). Free memory was 72.2MB in the beginning and 177.5MB in the end (delta: -105.2MB). Peak memory consumption was 224.4MB. Max. memory is 16.1GB. [2024-08-14 02:43:38,350 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 02:43:38,351 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 02:43:38,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.38ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 72.2MB in the beginning and 163.0MB in the end (delta: -90.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-08-14 02:43:38,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.53ms. Allocated memory is still 201.3MB. Free memory was 163.0MB in the beginning and 160.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 02:43:38,351 INFO L158 Benchmark]: Boogie Preprocessor took 31.93ms. Allocated memory is still 201.3MB. Free memory was 160.0MB in the beginning and 157.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 02:43:38,352 INFO L158 Benchmark]: RCFGBuilder took 948.84ms. Allocated memory is still 201.3MB. Free memory was 157.9MB in the beginning and 61.5MB in the end (delta: 96.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-08-14 02:43:38,352 INFO L158 Benchmark]: TraceAbstraction took 18371.47ms. Allocated memory was 201.3MB in the beginning and 474.0MB in the end (delta: 272.6MB). Free memory was 60.4MB in the beginning and 177.5MB in the end (delta: -117.0MB). Peak memory consumption was 155.6MB. Max. memory is 16.1GB. [2024-08-14 02:43:38,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.38ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 72.2MB in the beginning and 163.0MB in the end (delta: -90.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.53ms. Allocated memory is still 201.3MB. Free memory was 163.0MB in the beginning and 160.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.93ms. Allocated memory is still 201.3MB. Free memory was 160.0MB in the beginning and 157.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 948.84ms. Allocated memory is still 201.3MB. Free memory was 157.9MB in the beginning and 61.5MB in the end (delta: 96.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * TraceAbstraction took 18371.47ms. Allocated memory was 201.3MB in the beginning and 474.0MB in the end (delta: 272.6MB). Free memory was 60.4MB in the beginning and 177.5MB in the end (delta: -117.0MB). Peak memory consumption was 155.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2918, independent: 2270, independent conditional: 1813, independent unconditional: 457, dependent: 648, dependent conditional: 637, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2373, independent: 2270, independent conditional: 1813, independent unconditional: 457, dependent: 103, dependent conditional: 92, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2373, independent: 2270, independent conditional: 1813, independent unconditional: 457, dependent: 103, dependent conditional: 92, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2583, independent: 2270, independent conditional: 0, independent unconditional: 2270, dependent: 313, dependent conditional: 210, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2583, independent: 2270, independent conditional: 0, independent unconditional: 2270, dependent: 313, dependent conditional: 210, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2583, independent: 2270, independent conditional: 0, independent unconditional: 2270, dependent: 313, dependent conditional: 210, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 421, independent: 373, independent conditional: 0, independent unconditional: 373, dependent: 48, dependent conditional: 37, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 421, independent: 353, independent conditional: 0, independent unconditional: 353, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 48, dependent conditional: 37, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 48, dependent conditional: 37, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 536, independent: 175, independent conditional: 0, independent unconditional: 175, dependent: 362, dependent conditional: 304, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2583, independent: 1897, independent conditional: 0, independent unconditional: 1897, dependent: 265, dependent conditional: 173, dependent unconditional: 92, unknown: 421, unknown conditional: 37, unknown unconditional: 384] , Statistics on independence cache: Total cache size (in pairs): 421, Positive cache size: 373, Positive conditional cache size: 0, Positive unconditional cache size: 373, Negative cache size: 48, Negative conditional cache size: 37, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 3, Independence queries for same thread: 545 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 109, Number of trivial persistent sets: 92, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 468, independent: 457, independent conditional: 0, independent unconditional: 457, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2918, independent: 2270, independent conditional: 1813, independent unconditional: 457, dependent: 648, dependent conditional: 637, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2373, independent: 2270, independent conditional: 1813, independent unconditional: 457, dependent: 103, dependent conditional: 92, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2373, independent: 2270, independent conditional: 1813, independent unconditional: 457, dependent: 103, dependent conditional: 92, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2583, independent: 2270, independent conditional: 0, independent unconditional: 2270, dependent: 313, dependent conditional: 210, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2583, independent: 2270, independent conditional: 0, independent unconditional: 2270, dependent: 313, dependent conditional: 210, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2583, independent: 2270, independent conditional: 0, independent unconditional: 2270, dependent: 313, dependent conditional: 210, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 421, independent: 373, independent conditional: 0, independent unconditional: 373, dependent: 48, dependent conditional: 37, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 421, independent: 353, independent conditional: 0, independent unconditional: 353, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 48, dependent conditional: 37, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 48, dependent conditional: 37, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 536, independent: 175, independent conditional: 0, independent unconditional: 175, dependent: 362, dependent conditional: 304, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2583, independent: 1897, independent conditional: 0, independent unconditional: 1897, dependent: 265, dependent conditional: 173, dependent unconditional: 92, unknown: 421, unknown conditional: 37, unknown unconditional: 384] , Statistics on independence cache: Total cache size (in pairs): 421, Positive cache size: 373, Positive conditional cache size: 0, Positive unconditional cache size: 373, Negative cache size: 48, Negative conditional cache size: 37, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 3, Independence queries for same thread: 545 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3100, independent: 2377, independent conditional: 1858, independent unconditional: 519, dependent: 723, dependent conditional: 712, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2454, independent: 2377, independent conditional: 1858, independent unconditional: 519, dependent: 77, dependent conditional: 66, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2454, independent: 2377, independent conditional: 1858, independent unconditional: 519, dependent: 77, dependent conditional: 66, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2604, independent: 2377, independent conditional: 14, independent unconditional: 2363, dependent: 227, dependent conditional: 136, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2604, independent: 2377, independent conditional: 14, independent unconditional: 2363, dependent: 227, dependent conditional: 136, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2604, independent: 2377, independent conditional: 14, independent unconditional: 2363, dependent: 227, dependent conditional: 136, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 445, independent: 400, independent conditional: 1, independent unconditional: 399, dependent: 45, dependent conditional: 34, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 445, independent: 379, independent conditional: 0, independent unconditional: 379, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 45, dependent conditional: 34, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 45, dependent conditional: 34, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 450, independent: 156, independent conditional: 19, independent unconditional: 137, dependent: 294, dependent conditional: 241, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2604, independent: 1977, independent conditional: 13, independent unconditional: 1964, dependent: 182, dependent conditional: 102, dependent unconditional: 80, unknown: 445, unknown conditional: 35, unknown unconditional: 410] , Statistics on independence cache: Total cache size (in pairs): 445, Positive cache size: 400, Positive conditional cache size: 1, Positive unconditional cache size: 399, Negative cache size: 45, Negative conditional cache size: 34, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 3, Independence queries for same thread: 646 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 115, Number of trivial persistent sets: 108, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 530, independent: 519, independent conditional: 0, independent unconditional: 519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3100, independent: 2377, independent conditional: 1858, independent unconditional: 519, dependent: 723, dependent conditional: 712, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2454, independent: 2377, independent conditional: 1858, independent unconditional: 519, dependent: 77, dependent conditional: 66, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2454, independent: 2377, independent conditional: 1858, independent unconditional: 519, dependent: 77, dependent conditional: 66, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2604, independent: 2377, independent conditional: 14, independent unconditional: 2363, dependent: 227, dependent conditional: 136, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2604, independent: 2377, independent conditional: 14, independent unconditional: 2363, dependent: 227, dependent conditional: 136, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2604, independent: 2377, independent conditional: 14, independent unconditional: 2363, dependent: 227, dependent conditional: 136, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 445, independent: 400, independent conditional: 1, independent unconditional: 399, dependent: 45, dependent conditional: 34, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 445, independent: 379, independent conditional: 0, independent unconditional: 379, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 45, dependent conditional: 34, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 21, independent conditional: 1, independent unconditional: 20, dependent: 45, dependent conditional: 34, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 450, independent: 156, independent conditional: 19, independent unconditional: 137, dependent: 294, dependent conditional: 241, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2604, independent: 1977, independent conditional: 13, independent unconditional: 1964, dependent: 182, dependent conditional: 102, dependent unconditional: 80, unknown: 445, unknown conditional: 35, unknown unconditional: 410] , Statistics on independence cache: Total cache size (in pairs): 445, Positive cache size: 400, Positive conditional cache size: 1, Positive unconditional cache size: 399, Negative cache size: 45, Negative conditional cache size: 34, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 3, Independence queries for same thread: 646 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 131, independent: 125, independent conditional: 5, independent unconditional: 120, dependent: 6, dependent conditional: 4, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, independent: 125, independent conditional: 5, independent unconditional: 120, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 127, independent: 125, independent conditional: 5, independent unconditional: 120, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 127, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 122, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 122, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 127, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 122, unknown conditional: 0, unknown unconditional: 122] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 120, Positive conditional cache size: 0, Positive unconditional cache size: 120, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 8, Number of trivial persistent sets: 6, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 131, independent: 125, independent conditional: 5, independent unconditional: 120, dependent: 6, dependent conditional: 4, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, independent: 125, independent conditional: 5, independent unconditional: 120, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 127, independent: 125, independent conditional: 5, independent unconditional: 120, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 127, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 127, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 122, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 122, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 127, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 122, unknown conditional: 0, unknown unconditional: 122] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 120, Positive conditional cache size: 0, Positive unconditional cache size: 120, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 4 - PositiveResult [Line: 67]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 71]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 78]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 51]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 58]: 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 5 procedures, 51 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.6s, 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: 36, 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, 0.2s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 85 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 4141 SizeOfPredicates, 10 NumberOfNonLiveVariables, 459 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 22/59 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: thread1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 51 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.2s, 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: 36, 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, 4.8s InterpolantComputationTime, 113 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 4257 SizeOfPredicates, 25 NumberOfNonLiveVariables, 477 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 22/59 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 5 procedures, 51 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 02:43:38,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Forceful destruction successful, exit code 0 [2024-08-14 02:43:38,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2024-08-14 02:43:38,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-14 02:43:38,994 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