./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-ring-nondet.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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-bad-ring-nondet.wvr.c ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-ring-nondet.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-23 00:42:34,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 00:42:34,302 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 00:42:34,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 00:42:34,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 00:42:34,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 00:42:34,334 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 00:42:34,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 00:42:34,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 00:42:34,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 00:42:34,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 00:42:34,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 00:42:34,337 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 00:42:34,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 00:42:34,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 00:42:34,340 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 00:42:34,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 00:42:34,340 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 00:42:34,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 00:42:34,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 00:42:34,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 00:42:34,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 00:42:34,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 00:42:34,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 00:42:34,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 00:42:34,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 00:42:34,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 00:42:34,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 00:42:34,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 00:42:34,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 00:42:34,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:42:34,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 00:42:34,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 00:42:34,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 00:42:34,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 00:42:34,348 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 00:42:34,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 00:42:34,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 00:42:34,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 00:42:34,351 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 00:42:34,351 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 00:42:34,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-23 00:42:34,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 00:42:34,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 00:42:34,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 00:42:34,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 00:42:34,625 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 00:42:34,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2024-09-23 00:42:36,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 00:42:36,220 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 00:42:36,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2024-09-23 00:42:36,228 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/16bf9af1a/2a790df77166402b8cf6ceee3aa4e500/FLAG29e57170e [2024-09-23 00:42:36,610 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/16bf9af1a/2a790df77166402b8cf6ceee3aa4e500 [2024-09-23 00:42:36,613 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 00:42:36,615 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 00:42:36,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/popl20-bad-ring-nondet.wvr.yml/witness.yml [2024-09-23 00:42:36,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 00:42:36,725 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 00:42:36,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 00:42:36,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 00:42:36,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 00:42:36,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:42:36" (1/2) ... [2024-09-23 00:42:36,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e4a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:42:36, skipping insertion in model container [2024-09-23 00:42:36,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 12:42:36" (1/2) ... [2024-09-23 00:42:36,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@527d2c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 12:42:36, skipping insertion in model container [2024-09-23 00:42:36,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:42:36" (2/2) ... [2024-09-23 00:42:36,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e4a81 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:36, skipping insertion in model container [2024-09-23 00:42:36,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:42:36" (2/2) ... [2024-09-23 00:42:36,757 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 00:42:36,757 INFO L1541 ArrayList]: Location invariant before [L150-L150] ((! multithreaded || 0 <= N) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )N) + (long long )q1_front >= 0LL && (2147483648LL + (long long )N) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n3 >= 0LL) && (1073741823LL - (long long )n2) + (long long )n3 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n3 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q3_back) + (long long )q3_front >= 0LL) && (long long )N + (long long )n1 >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (long long )N + (long long )n3 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )n1 + (long long )n3 >= 0LL) && (long long )n2 + (long long )n3 >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (1073741823LL + (long long )N) - (long long )n3 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n3 >= 0LL) && (1073741823LL + (long long )n2) - (long long )n3 >= 0LL) && (2147483647LL + (long long )N) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q3_back) - (long long )q3_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n3 >= 0LL) && (2147483646LL - (long long )n2) - (long long )n3 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n3 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q3_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_back >= 0LL))) && (! multithreaded || 0 <= N) [2024-09-23 00:42:36,758 INFO L1541 ArrayList]: Location invariant before [L151-L151] ((! multithreaded || 0 <= N) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )N) + (long long )q1_front >= 0LL && (2147483648LL + (long long )N) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n3 >= 0LL) && (1073741823LL - (long long )n2) + (long long )n3 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n3 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q3_back) + (long long )q3_front >= 0LL) && (long long )N + (long long )n1 >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (long long )N + (long long )n3 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )n1 + (long long )n3 >= 0LL) && (long long )n2 + (long long )n3 >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (1073741823LL + (long long )N) - (long long )n3 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n3 >= 0LL) && (1073741823LL + (long long )n2) - (long long )n3 >= 0LL) && (2147483647LL + (long long )N) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q3_back) - (long long )q3_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n3 >= 0LL) && (2147483646LL - (long long )n2) - (long long )n3 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n3 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q3_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_back >= 0LL))) && (! multithreaded || 0 <= N) [2024-09-23 00:42:36,758 INFO L1541 ArrayList]: Location invariant before [L149-L149] ((! multithreaded || 0 <= N) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )N) + (long long )q1_front >= 0LL && (2147483648LL + (long long )N) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )N) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n1) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n1) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n2) + (long long )q3_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q1_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q1_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q2_back >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_front >= 0LL) && (2147483648LL + (long long )n3) + (long long )q3_back >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n3 >= 0LL) && (1073741823LL - (long long )n2) + (long long )n3 >= 0LL) && (2147483647LL - (long long )N) + (long long )n1 >= 0LL) && (2147483647LL - (long long )N) + (long long )n2 >= 0LL) && (2147483647LL - (long long )N) + (long long )n3 >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n1) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n2) + (long long )q3_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q1_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q1_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q2_back >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_front >= 0LL) && (3221225471LL - (long long )n3) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q2_back >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q1_front) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_front) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q2_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_front >= 0LL) && (4294967295LL - (long long )q2_back) + (long long )q3_back >= 0LL) && (4294967295LL - (long long )q3_back) + (long long )q3_front >= 0LL) && (long long )N + (long long )n1 >= 0LL) && (long long )N + (long long )n2 >= 0LL) && (long long )N + (long long )n3 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )n1 + (long long )n3 >= 0LL) && (long long )n2 + (long long )n3 >= 0LL) && (1073741823LL + (long long )N) - (long long )n1 >= 0LL) && (1073741823LL + (long long )N) - (long long )n2 >= 0LL) && (1073741823LL + (long long )N) - (long long )n3 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n3 >= 0LL) && (1073741823LL + (long long )n2) - (long long )n3 >= 0LL) && (2147483647LL + (long long )N) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )N) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n1) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n1) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n2) - (long long )q3_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q1_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q2_back >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_front >= 0LL) && (2147483647LL + (long long )n3) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q1_front) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q1_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q2_back >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q1_back) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967295LL + (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967295LL + (long long )q3_back) - (long long )q3_front >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n3 >= 0LL) && (2147483646LL - (long long )n2) - (long long )n3 >= 0LL) && (3221225470LL - (long long )N) - (long long )n1 >= 0LL) && (3221225470LL - (long long )N) - (long long )n2 >= 0LL) && (3221225470LL - (long long )N) - (long long )n3 >= 0LL) && (3221225470LL - (long long )n1) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n1) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n2) - (long long )q3_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q1_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q2_back >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_front >= 0LL) && (3221225470LL - (long long )n3) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q1_front) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_front) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )q2_back) - (long long )q3_back >= 0LL) && (4294967294LL - (long long )q3_back) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q1_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q2_back >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_front >= 0LL) && (4294967294LL - (long long )N) - (long long )q3_back >= 0LL))) && (! multithreaded || 0 <= N) [2024-09-23 00:42:36,759 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-23 00:42:36,759 INFO L1541 ArrayList]: ghost_update [L148-L148] multithreaded = 1; [2024-09-23 00:42:36,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 00:42:37,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:42:37,022 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 00:42:37,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 00:42:37,315 INFO L204 MainTranslator]: Completed translation [2024-09-23 00:42:37,316 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37 WrapperNode [2024-09-23 00:42:37,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 00:42:37,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 00:42:37,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 00:42:37,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 00:42:37,329 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 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,342 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 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,392 INFO L138 Inliner]: procedures = 24, calls = 49, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 326 [2024-09-23 00:42:37,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 00:42:37,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 00:42:37,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 00:42:37,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 00:42:37,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 00:42:37,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 00:42:37,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 00:42:37,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 00:42:37,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37" (1/1) ... [2024-09-23 00:42:37,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 00:42:37,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:42:37,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-23 00:42:37,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-23 00:42:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 00:42:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-23 00:42:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-23 00:42:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-23 00:42:37,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-23 00:42:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-23 00:42:37,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-23 00:42:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 00:42:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-23 00:42:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-23 00:42:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-23 00:42:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-23 00:42:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 00:42:37,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 00:42:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-23 00:42:37,548 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 00:42:37,675 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 00:42:37,677 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 00:42:38,317 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 00:42:38,318 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 00:42:38,707 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 00:42:38,708 INFO L318 CfgBuilder]: Removed 6 assume(true) statements. [2024-09-23 00:42:38,711 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:42:38 BoogieIcfgContainer [2024-09-23 00:42:38,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 00:42:38,713 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 00:42:38,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 00:42:38,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 00:42:38,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 12:42:36" (1/4) ... [2024-09-23 00:42:38,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c908eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 12:42:38, skipping insertion in model container [2024-09-23 00:42:38,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 12:42:36" (2/4) ... [2024-09-23 00:42:38,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c908eca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:42:38, skipping insertion in model container [2024-09-23 00:42:38,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 12:42:37" (3/4) ... [2024-09-23 00:42:38,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c908eca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 12:42:38, skipping insertion in model container [2024-09-23 00:42:38,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 12:42:38" (4/4) ... [2024-09-23 00:42:38,722 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2024-09-23 00:42:38,740 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 00:42:38,740 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-23 00:42:38,740 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 00:42:38,872 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-23 00:42:38,919 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:42:38,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 00:42:38,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:42:38,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 00:42:38,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-23 00:42:38,958 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 00:42:38,972 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 00:42:38,979 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ddf353d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 00:42:38,980 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-23 00:42:39,539 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:42:39,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:42:39,544 INFO L85 PathProgramCache]: Analyzing trace with hash -448213011, now seen corresponding path program 1 times [2024-09-23 00:42:39,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:42:39,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219158642] [2024-09-23 00:42:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:42:39,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:42:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:42:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:42:42,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:42:42,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219158642] [2024-09-23 00:42:42,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219158642] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:42:42,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:42:42,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 00:42:42,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636546793] [2024-09-23 00:42:42,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:42:42,306 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 00:42:42,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:42:42,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 00:42:42,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-23 00:42:42,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:42:42,333 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:42:42,335 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2024-09-23 00:42:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:42:42,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:42:42,416 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 00:42:42,416 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:42:42,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:42:42,417 INFO L85 PathProgramCache]: Analyzing trace with hash -815804037, now seen corresponding path program 1 times [2024-09-23 00:42:42,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:42:42,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550728889] [2024-09-23 00:42:42,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:42:42,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:42:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:42:44,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:42:44,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:42:44,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550728889] [2024-09-23 00:42:44,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550728889] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:42:44,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618708434] [2024-09-23 00:42:44,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:42:44,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:42:44,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:42:44,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 00:42:44,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-23 00:42:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:42:44,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-23 00:42:44,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:42:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:42:44,840 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 00:42:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:42:53,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618708434] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 00:42:53,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 00:42:53,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 14 [2024-09-23 00:42:53,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655389384] [2024-09-23 00:42:53,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 00:42:53,630 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-23 00:42:53,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:42:53,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-23 00:42:53,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-09-23 00:42:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:42:53,632 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:42:53,633 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:42:53,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:42:53,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:42:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:42:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:42:53,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-23 00:42:54,084 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-09-23 00:42:54,085 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:42:54,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:42:54,086 INFO L85 PathProgramCache]: Analyzing trace with hash 868467565, now seen corresponding path program 2 times [2024-09-23 00:42:54,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:42:54,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050753498] [2024-09-23 00:42:54,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:42:54,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:42:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:42:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:42:55,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:42:55,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050753498] [2024-09-23 00:42:55,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050753498] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:42:55,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256311702] [2024-09-23 00:42:55,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 00:42:55,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:42:55,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:42:55,815 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) [2024-09-23 00:42:55,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-23 00:42:55,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 00:42:55,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 00:42:55,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-09-23 00:42:55,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:42:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-09-23 00:42:56,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 00:42:56,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256311702] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:42:56,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 00:42:56,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 12 [2024-09-23 00:42:56,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610648120] [2024-09-23 00:42:56,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:42:56,236 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 00:42:56,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:42:56,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 00:42:56,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-09-23 00:42:56,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:42:56,240 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:42:56,240 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:42:56,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:42:56,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:42:56,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:42:56,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:42:56,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:42:56,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:42:56,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-23 00:42:56,496 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:42:56,497 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:42:56,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:42:56,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1589651148, now seen corresponding path program 1 times [2024-09-23 00:42:56,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:42:56,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163503335] [2024-09-23 00:42:56,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:42:56,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:42:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:42:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:42:58,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:42:58,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163503335] [2024-09-23 00:42:58,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163503335] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:42:58,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088576202] [2024-09-23 00:42:58,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:42:58,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:42:58,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:42:58,149 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 00:42:58,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-23 00:42:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:42:58,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-09-23 00:42:58,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:42:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:42:58,628 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 00:43:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:43:06,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088576202] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 00:43:06,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 00:43:06,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 26 [2024-09-23 00:43:06,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672356846] [2024-09-23 00:43:06,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 00:43:06,093 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-23 00:43:06,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:43:06,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-23 00:43:06,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=587, Unknown=0, NotChecked=0, Total=756 [2024-09-23 00:43:06,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:06,095 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:43:06,095 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 27 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:43:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:06,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:06,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-23 00:43:06,784 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:43:06,784 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:43:06,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:43:06,785 INFO L85 PathProgramCache]: Analyzing trace with hash -814929524, now seen corresponding path program 2 times [2024-09-23 00:43:06,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:43:06,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915076312] [2024-09-23 00:43:06,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:43:06,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:43:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:43:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:43:09,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:43:09,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915076312] [2024-09-23 00:43:09,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915076312] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:43:09,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677648810] [2024-09-23 00:43:09,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 00:43:09,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:43:09,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:43:09,148 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 00:43:09,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-23 00:43:09,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 00:43:09,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 00:43:09,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-09-23 00:43:09,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:43:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-09-23 00:43:09,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 00:43:09,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677648810] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:43:09,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 00:43:09,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 19 [2024-09-23 00:43:09,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173431122] [2024-09-23 00:43:09,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:43:09,667 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 00:43:09,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:43:09,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 00:43:09,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2024-09-23 00:43:09,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:09,668 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:43:09,668 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:43:09,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:09,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:09,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:09,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:09,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:09,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:09,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-23 00:43:09,907 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:43:09,907 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:43:09,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:43:09,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1258711748, now seen corresponding path program 1 times [2024-09-23 00:43:09,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:43:09,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277483629] [2024-09-23 00:43:09,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:43:09,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:43:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:43:12,080 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:43:12,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:43:12,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277483629] [2024-09-23 00:43:12,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277483629] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:43:12,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847395184] [2024-09-23 00:43:12,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:43:12,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:43:12,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:43:12,083 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 00:43:12,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-23 00:43:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:43:12,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-09-23 00:43:12,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:43:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:43:12,727 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-23 00:43:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:43:20,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847395184] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-23 00:43:20,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-23 00:43:20,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2024-09-23 00:43:20,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919848031] [2024-09-23 00:43:20,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-23 00:43:20,415 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-23 00:43:20,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:43:20,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-23 00:43:20,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=466, Invalid=1790, Unknown=0, NotChecked=0, Total=2256 [2024-09-23 00:43:20,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:20,417 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:43:20,417 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 47 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:43:20,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:20,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:20,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:20,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:20,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:20,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 00:43:21,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-23 00:43:21,973 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:43:21,974 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:43:21,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:43:21,975 INFO L85 PathProgramCache]: Analyzing trace with hash 893743036, now seen corresponding path program 2 times [2024-09-23 00:43:21,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:43:21,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941380227] [2024-09-23 00:43:21,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:43:21,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:43:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:43:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 00:43:24,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:43:24,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941380227] [2024-09-23 00:43:24,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941380227] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:43:24,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141717688] [2024-09-23 00:43:24,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-23 00:43:24,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:43:24,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:43:24,697 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 00:43:24,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-23 00:43:24,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-23 00:43:24,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-23 00:43:24,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-09-23 00:43:24,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:43:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-09-23 00:43:25,282 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 00:43:25,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141717688] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:43:25,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 00:43:25,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [28] total 32 [2024-09-23 00:43:25,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124381481] [2024-09-23 00:43:25,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:43:25,283 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 00:43:25,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:43:25,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 00:43:25,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1045, Unknown=0, NotChecked=0, Total=1122 [2024-09-23 00:43:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:25,284 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:43:25,284 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:43:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 00:43:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 00:43:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:27,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-23 00:43:27,852 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-09-23 00:43:27,853 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:43:27,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:43:27,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1625381149, now seen corresponding path program 1 times [2024-09-23 00:43:27,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:43:27,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770115718] [2024-09-23 00:43:27,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:43:27,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:43:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:43:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-09-23 00:43:33,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:43:33,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770115718] [2024-09-23 00:43:33,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770115718] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:43:33,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 00:43:33,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 00:43:33,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110841309] [2024-09-23 00:43:33,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:43:33,726 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 00:43:33,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:43:33,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 00:43:33,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-09-23 00:43:33,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:33,727 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:43:33,727 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:43:33,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 00:43:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:36,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:36,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:36,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:36,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:36,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:36,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-23 00:43:36,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:36,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:36,640 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-23 00:43:36,640 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 00:43:36,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 00:43:36,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1718405929, now seen corresponding path program 1 times [2024-09-23 00:43:36,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 00:43:36,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537594832] [2024-09-23 00:43:36,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:43:36,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 00:43:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:43:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-09-23 00:43:36,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 00:43:36,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537594832] [2024-09-23 00:43:36,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537594832] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-23 00:43:36,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562030650] [2024-09-23 00:43:36,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 00:43:36,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:43:36,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 00:43:36,789 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-23 00:43:36,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-23 00:43:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 00:43:36,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-23 00:43:36,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-23 00:43:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-09-23 00:43:43,758 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-23 00:43:43,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562030650] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 00:43:43,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-23 00:43:43,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-09-23 00:43:43,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575938575] [2024-09-23 00:43:43,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 00:43:43,759 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 00:43:43,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 00:43:43,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 00:43:43,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-09-23 00:43:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:43,760 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 00:43:43,760 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 00:43:43,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:43,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-23 00:43:43,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 00:43:43,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:43,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:43,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-23 00:43:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 00:43:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-23 00:43:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-23 00:43:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-23 00:43:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 00:43:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 00:43:56,826 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-09-23 00:43:56,827 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-23 00:43:56,827 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-23 00:43:56,827 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-09-23 00:43:56,827 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-23 00:43:56,827 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-23 00:43:56,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-23 00:43:57,027 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-23 00:43:57,034 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1] [2024-09-23 00:43:57,039 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 00:43:57,039 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 00:43:57,044 INFO L469 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-09-23 00:43:57,044 INFO L470 ceAbstractionStarter]: WitnessConsidered=3 [2024-09-23 00:43:57,045 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 12:43:57 BasicIcfg [2024-09-23 00:43:57,045 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 00:43:57,046 INFO L158 Benchmark]: Toolchain (without parser) took 80321.22ms. Allocated memory was 184.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 108.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 249.0MB. Max. memory is 16.1GB. [2024-09-23 00:43:57,046 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:43:57,046 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 00:43:57,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.62ms. Allocated memory is still 184.5MB. Free memory was 108.6MB in the beginning and 145.1MB in the end (delta: -36.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-09-23 00:43:57,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.42ms. Allocated memory is still 184.5MB. Free memory was 145.1MB in the beginning and 140.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-23 00:43:57,047 INFO L158 Benchmark]: Boogie Preprocessor took 62.29ms. Allocated memory is still 184.5MB. Free memory was 140.0MB in the beginning and 137.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-23 00:43:57,047 INFO L158 Benchmark]: RCFGBuilder took 1254.72ms. Allocated memory is still 184.5MB. Free memory was 137.9MB in the beginning and 76.1MB in the end (delta: 61.8MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2024-09-23 00:43:57,048 INFO L158 Benchmark]: TraceAbstraction took 78332.52ms. Allocated memory was 184.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 75.1MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 213.7MB. Max. memory is 16.1GB. [2024-09-23 00:43:57,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.62ms. Allocated memory is still 184.5MB. Free memory was 108.6MB in the beginning and 145.1MB in the end (delta: -36.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.42ms. Allocated memory is still 184.5MB. Free memory was 145.1MB in the beginning and 140.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.29ms. Allocated memory is still 184.5MB. Free memory was 140.0MB in the beginning and 137.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1254.72ms. Allocated memory is still 184.5MB. Free memory was 137.9MB in the beginning and 76.1MB in the end (delta: 61.8MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. * TraceAbstraction took 78332.52ms. Allocated memory was 184.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 75.1MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 213.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 278672, independent: 262176, independent conditional: 260009, independent unconditional: 2167, dependent: 16496, dependent conditional: 16481, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 263993, independent: 262176, independent conditional: 260009, independent unconditional: 2167, dependent: 1817, dependent conditional: 1802, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 263993, independent: 262176, independent conditional: 260009, independent unconditional: 2167, dependent: 1817, dependent conditional: 1802, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 278239, independent: 262176, independent conditional: 260009, independent unconditional: 2167, dependent: 16063, dependent conditional: 16048, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 278239, independent: 262176, independent conditional: 2649, independent unconditional: 259527, dependent: 16063, dependent conditional: 8739, dependent unconditional: 7324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 278239, independent: 262176, independent conditional: 2649, independent unconditional: 259527, dependent: 16063, dependent conditional: 8739, dependent unconditional: 7324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1817, independent: 1720, independent conditional: 11, independent unconditional: 1709, dependent: 97, dependent conditional: 82, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1817, independent: 1641, independent conditional: 0, independent unconditional: 1641, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 176, independent: 79, independent conditional: 11, independent unconditional: 68, dependent: 97, dependent conditional: 82, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 176, independent: 79, independent conditional: 11, independent unconditional: 68, dependent: 97, dependent conditional: 82, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2483, independent: 1523, independent conditional: 209, independent unconditional: 1314, dependent: 960, dependent conditional: 844, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 278239, independent: 260456, independent conditional: 2638, independent unconditional: 257818, dependent: 15966, dependent conditional: 8657, dependent unconditional: 7309, unknown: 1817, unknown conditional: 93, unknown unconditional: 1724] , Statistics on independence cache: Total cache size (in pairs): 1817, Positive cache size: 1720, Positive conditional cache size: 11, Positive unconditional cache size: 1709, Negative cache size: 97, Negative conditional cache size: 82, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 264669, Maximal queried relation: 8, Independence queries for same thread: 14679, Persistent sets #1 benchmarks: Persistent set computation time: 1.6s, Number of persistent set computation: 1133, Number of trivial persistent sets: 704, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2182, independent: 2167, independent conditional: 0, independent unconditional: 2167, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 278672, independent: 262176, independent conditional: 260009, independent unconditional: 2167, dependent: 16496, dependent conditional: 16481, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 263993, independent: 262176, independent conditional: 260009, independent unconditional: 2167, dependent: 1817, dependent conditional: 1802, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 263993, independent: 262176, independent conditional: 260009, independent unconditional: 2167, dependent: 1817, dependent conditional: 1802, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 278239, independent: 262176, independent conditional: 260009, independent unconditional: 2167, dependent: 16063, dependent conditional: 16048, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 278239, independent: 262176, independent conditional: 2649, independent unconditional: 259527, dependent: 16063, dependent conditional: 8739, dependent unconditional: 7324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 278239, independent: 262176, independent conditional: 2649, independent unconditional: 259527, dependent: 16063, dependent conditional: 8739, dependent unconditional: 7324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1817, independent: 1720, independent conditional: 11, independent unconditional: 1709, dependent: 97, dependent conditional: 82, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1817, independent: 1641, independent conditional: 0, independent unconditional: 1641, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 176, independent: 79, independent conditional: 11, independent unconditional: 68, dependent: 97, dependent conditional: 82, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 176, independent: 79, independent conditional: 11, independent unconditional: 68, dependent: 97, dependent conditional: 82, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2483, independent: 1523, independent conditional: 209, independent unconditional: 1314, dependent: 960, dependent conditional: 844, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 278239, independent: 260456, independent conditional: 2638, independent unconditional: 257818, dependent: 15966, dependent conditional: 8657, dependent unconditional: 7309, unknown: 1817, unknown conditional: 93, unknown unconditional: 1724] , Statistics on independence cache: Total cache size (in pairs): 1817, Positive cache size: 1720, Positive conditional cache size: 11, Positive unconditional cache size: 1709, Negative cache size: 97, Negative conditional cache size: 82, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 264669, Maximal queried relation: 8, Independence queries for same thread: 14679 - PositiveResult [Line: 149]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 150]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 151]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 83 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 78.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 21.2s, 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: 112, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 54.0s InterpolantComputationTime, 425 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 451 ConstructedInterpolants, 0 QuantifiedInterpolants, 30728 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1686 ConjunctsInSsa, 257 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 1118/1647 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-23 00:43:57,078 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 [2024-09-23 00:43:57,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE