./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 04:36:19,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 04:36:19,773 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 04:36:19,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 04:36:19,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 04:36:19,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 04:36:19,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 04:36:19,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 04:36:19,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 04:36:19,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 04:36:19,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 04:36:19,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 04:36:19,797 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 04:36:19,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 04:36:19,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 04:36:19,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 04:36:19,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 04:36:19,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 04:36:19,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 04:36:19,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 04:36:19,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 04:36:19,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 04:36:19,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 04:36:19,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 04:36:19,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 04:36:19,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 04:36:19,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 04:36:19,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 04:36:19,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 04:36:19,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 04:36:19,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 04:36:19,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 04:36:19,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 04:36:19,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 04:36:19,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 04:36:19,807 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 04:36:19,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 04:36:19,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 04:36:19,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 04:36:19,808 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 04:36:19,808 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 04:36:19,808 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 04:36:19,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 04:36:20,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 04:36:20,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 04:36:20,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 04:36:20,083 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 04:36:20,084 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 04:36:20,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml [2024-08-27 04:36:20,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 04:36:20,162 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 04:36:20,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-08-27 04:36:20,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 04:36:22,251 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 04:36:22,251 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-08-27 04:36:22,258 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e8828de96/bedf462bddc6473a9b72710d2035773a/FLAG215b92b1d [2024-08-27 04:36:22,623 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e8828de96/bedf462bddc6473a9b72710d2035773a [2024-08-27 04:36:22,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 04:36:22,624 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 04:36:22,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 04:36:22,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 04:36:22,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 04:36:22,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:36:20" (1/2) ... [2024-08-27 04:36:22,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34387c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:36:22, skipping insertion in model container [2024-08-27 04:36:22,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:36:20" (1/2) ... [2024-08-27 04:36:22,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7dd26709 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:36:22, skipping insertion in model container [2024-08-27 04:36:22,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:36:22" (2/2) ... [2024-08-27 04:36:22,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34387c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:22, skipping insertion in model container [2024-08-27 04:36:22,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:36:22" (2/2) ... [2024-08-27 04:36:22,633 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 04:36:22,653 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 04:36:22,654 INFO L1541 ArrayList]: Location invariant before [L143-L143] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-27 04:36:22,656 INFO L1541 ArrayList]: Location invariant before [L142-L142] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-27 04:36:22,656 INFO L1541 ArrayList]: Location invariant before [L141-L141] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-27 04:36:22,657 INFO L1541 ArrayList]: Location invariant before [L144-L144] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-27 04:36:22,657 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-27 04:36:22,657 INFO L1541 ArrayList]: ghost_update [L140-L140] multithreaded = 1; [2024-08-27 04:36:22,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 04:36:22,844 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-08-27 04:36:22,851 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 04:36:22,859 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 04:36:22,991 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-08-27 04:36:23,003 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 04:36:23,020 INFO L206 MainTranslator]: Completed translation [2024-08-27 04:36:23,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23 WrapperNode [2024-08-27 04:36:23,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 04:36:23,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 04:36:23,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 04:36:23,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 04:36:23,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,081 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 267 [2024-08-27 04:36:23,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 04:36:23,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 04:36:23,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 04:36:23,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 04:36:23,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 04:36:23,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 04:36:23,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 04:36:23,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 04:36:23,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (1/1) ... [2024-08-27 04:36:23,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 04:36:23,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:36:23,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-27 04:36:23,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-27 04:36:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 04:36:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-27 04:36:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-27 04:36:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-27 04:36:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-27 04:36:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-27 04:36:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-27 04:36:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-27 04:36:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-27 04:36:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 04:36:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-27 04:36:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-27 04:36:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-27 04:36:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-27 04:36:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 04:36:23,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 04:36:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-27 04:36:23,207 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 04:36:23,319 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 04:36:23,321 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 04:36:23,821 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 04:36:23,821 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 04:36:24,065 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 04:36:24,066 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-08-27 04:36:24,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:36:24 BoogieIcfgContainer [2024-08-27 04:36:24,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 04:36:24,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 04:36:24,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 04:36:24,072 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 04:36:24,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:36:20" (1/4) ... [2024-08-27 04:36:24,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd1037e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 04:36:24, skipping insertion in model container [2024-08-27 04:36:24,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 04:36:22" (2/4) ... [2024-08-27 04:36:24,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd1037e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:36:24, skipping insertion in model container [2024-08-27 04:36:24,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:36:23" (3/4) ... [2024-08-27 04:36:24,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd1037e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:36:24, skipping insertion in model container [2024-08-27 04:36:24,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:36:24" (4/4) ... [2024-08-27 04:36:24,076 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-08-27 04:36:24,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 04:36:24,116 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-08-27 04:36:24,116 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 04:36:24,189 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-27 04:36:24,226 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 04:36:24,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 04:36:24,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:36:24,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-27 04:36:24,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-27 04:36:24,264 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 04:36:24,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 04:36:24,281 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4295f52a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 04:36:24,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-08-27 04:36:24,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:24,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:24,485 INFO L85 PathProgramCache]: Analyzing trace with hash -866286013, now seen corresponding path program 1 times [2024-08-27 04:36:24,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:24,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222416546] [2024-08-27 04:36:24,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:24,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:36:25,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:36:25,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222416546] [2024-08-27 04:36:25,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222416546] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:36:25,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:36:25,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 04:36:25,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715830600] [2024-08-27 04:36:25,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:36:25,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:36:25,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:36:25,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:36:25,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-27 04:36:25,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:25,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:36:25,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:36:25,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:25,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 04:36:25,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:25,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:25,989 INFO L85 PathProgramCache]: Analyzing trace with hash 367248626, now seen corresponding path program 1 times [2024-08-27 04:36:25,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:25,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706367517] [2024-08-27 04:36:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:25,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:27,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:36:27,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:36:27,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706367517] [2024-08-27 04:36:27,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706367517] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:36:27,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789836263] [2024-08-27 04:36:27,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:27,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:27,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:36:27,111 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:36:27,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-27 04:36:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:27,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 28 conjunts are in the unsatisfiable core [2024-08-27 04:36:27,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:36:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:36:27,587 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:36:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:36:31,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789836263] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:36:31,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:36:31,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 11 [2024-08-27 04:36:31,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304871614] [2024-08-27 04:36:31,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:36:31,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-27 04:36:31,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:36:31,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-27 04:36:31,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-08-27 04:36:31,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:31,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:36:31,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:36:31,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:31,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:32,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:32,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-27 04:36:32,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-27 04:36:32,266 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:32,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:32,267 INFO L85 PathProgramCache]: Analyzing trace with hash 458177027, now seen corresponding path program 2 times [2024-08-27 04:36:32,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:32,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133241588] [2024-08-27 04:36:32,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:32,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:36:33,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:36:33,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133241588] [2024-08-27 04:36:33,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133241588] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:36:33,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497462181] [2024-08-27 04:36:33,453 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 04:36:33,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:33,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:36:33,455 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:36:33,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-27 04:36:33,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-27 04:36:33,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:36:33,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-27 04:36:33,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:36:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-27 04:36:33,789 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:36:33,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497462181] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:36:33,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:36:33,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2024-08-27 04:36:33,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872852668] [2024-08-27 04:36:33,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:36:33,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:36:33,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:36:33,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:36:33,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-08-27 04:36:33,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:33,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:36:33,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:36:33,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:33,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:33,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:33,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:33,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-27 04:36:34,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:34,029 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:34,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:34,029 INFO L85 PathProgramCache]: Analyzing trace with hash -636566413, now seen corresponding path program 1 times [2024-08-27 04:36:34,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:34,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929585980] [2024-08-27 04:36:34,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:34,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:36:35,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:36:35,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929585980] [2024-08-27 04:36:35,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929585980] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:36:35,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9214222] [2024-08-27 04:36:35,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:35,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:35,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:36:35,159 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:36:35,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-27 04:36:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:35,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 36 conjunts are in the unsatisfiable core [2024-08-27 04:36:35,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:36:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:36:35,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:36:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:36:42,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9214222] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:36:42,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:36:42,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-08-27 04:36:42,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954902118] [2024-08-27 04:36:42,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:36:42,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-27 04:36:42,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:36:42,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-27 04:36:42,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-08-27 04:36:42,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:42,284 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:36:42,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:36:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:42,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:49,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-27 04:36:49,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:49,790 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:49,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:49,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1890439469, now seen corresponding path program 2 times [2024-08-27 04:36:49,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:49,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194154580] [2024-08-27 04:36:49,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:49,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:36:51,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:36:51,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194154580] [2024-08-27 04:36:51,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194154580] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:36:51,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748302555] [2024-08-27 04:36:51,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 04:36:51,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:51,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:36:51,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:36:51,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-27 04:36:51,495 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-08-27 04:36:51,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:36:51,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 25 conjunts are in the unsatisfiable core [2024-08-27 04:36:51,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:36:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-27 04:36:51,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:36:51,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748302555] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:36:51,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:36:51,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 17 [2024-08-27 04:36:51,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970013653] [2024-08-27 04:36:51,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:36:51,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:36:51,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:36:51,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:36:51,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2024-08-27 04:36:51,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:51,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:36:51,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:36:51,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:51,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:51,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:51,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:51,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:52,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:52,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-27 04:36:53,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:53,036 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:53,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:53,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2018973459, now seen corresponding path program 1 times [2024-08-27 04:36:53,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:53,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680191580] [2024-08-27 04:36:53,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:53,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-27 04:36:53,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:36:53,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680191580] [2024-08-27 04:36:53,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680191580] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:36:53,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:36:53,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 04:36:53,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105889082] [2024-08-27 04:36:53,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:36:53,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:36:53,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:36:53,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:36:53,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-27 04:36:53,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:53,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:36:53,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:36:53,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:53,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:53,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:53,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:53,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:53,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:53,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:53,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-27 04:36:53,542 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:53,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:53,542 INFO L85 PathProgramCache]: Analyzing trace with hash -460831433, now seen corresponding path program 1 times [2024-08-27 04:36:53,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:53,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854351298] [2024-08-27 04:36:53,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-08-27 04:36:53,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:36:53,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854351298] [2024-08-27 04:36:53,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854351298] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:36:53,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801347425] [2024-08-27 04:36:53,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:53,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:53,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:36:53,772 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:36:53,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-27 04:36:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:53,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjunts are in the unsatisfiable core [2024-08-27 04:36:53,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:36:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-08-27 04:36:53,965 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:36:53,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801347425] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:36:53,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-27 04:36:53,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-08-27 04:36:53,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921923886] [2024-08-27 04:36:53,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:36:53,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 04:36:53,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:36:53,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 04:36:53,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-27 04:36:53,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:53,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:36:53,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 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) [2024-08-27 04:36:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:53,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:54,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:54,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:54,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-27 04:36:54,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:54,244 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:54,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:54,244 INFO L85 PathProgramCache]: Analyzing trace with hash -73352648, now seen corresponding path program 2 times [2024-08-27 04:36:54,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:54,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749920050] [2024-08-27 04:36:54,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-08-27 04:36:54,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:36:54,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749920050] [2024-08-27 04:36:54,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749920050] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:36:54,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:36:54,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-27 04:36:54,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254964408] [2024-08-27 04:36:54,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:36:54,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-27 04:36:54,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:36:54,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-27 04:36:54,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-08-27 04:36:54,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:54,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:36:54,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:36:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:55,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:55,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:55,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:55,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:55,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:55,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:55,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:55,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:36:55,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-27 04:36:55,659 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:55,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:55,659 INFO L85 PathProgramCache]: Analyzing trace with hash -906562685, now seen corresponding path program 3 times [2024-08-27 04:36:55,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:55,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502719451] [2024-08-27 04:36:55,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:55,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-27 04:36:55,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:36:55,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502719451] [2024-08-27 04:36:55,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502719451] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:36:55,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717018039] [2024-08-27 04:36:55,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-27 04:36:55,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:55,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:36:55,890 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:36:55,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-27 04:36:56,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-27 04:36:56,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:36:56,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 4 conjunts are in the unsatisfiable core [2024-08-27 04:36:56,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:36:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-08-27 04:36:56,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:36:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-08-27 04:36:56,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717018039] provided 1 perfect and 1 imperfect interpolant sequences [2024-08-27 04:36:56,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-08-27 04:36:56,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 4] total 9 [2024-08-27 04:36:56,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504084840] [2024-08-27 04:36:56,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:36:56,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 04:36:56,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:36:56,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 04:36:56,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-08-27 04:36:56,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:56,163 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:36:56,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:36:56,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:56,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:56,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:56,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:56,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:56,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:56,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:56,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:36:56,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:36:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:56,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-27 04:36:56,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-08-27 04:36:56,993 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:56,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:56,993 INFO L85 PathProgramCache]: Analyzing trace with hash 483161923, now seen corresponding path program 4 times [2024-08-27 04:36:56,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:56,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032458649] [2024-08-27 04:36:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:56,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:36:57,211 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-27 04:36:57,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:36:57,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032458649] [2024-08-27 04:36:57,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032458649] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:36:57,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437947565] [2024-08-27 04:36:57,212 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-27 04:36:57,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:57,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:36:57,213 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:36:57,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-27 04:36:57,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-27 04:36:57,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:36:57,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-27 04:36:57,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:36:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-27 04:36:57,421 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:36:57,530 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-08-27 04:36:57,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437947565] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:36:57,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:36:57,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-08-27 04:36:57,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035636214] [2024-08-27 04:36:57,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:36:57,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-27 04:36:57,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:36:57,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-27 04:36:57,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-08-27 04:36:57,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:57,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:36:57,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:36:57,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:57,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:57,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:57,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:57,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:36:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:57,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:36:58,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:36:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:36:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:36:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:36:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:36:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:36:58,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-27 04:36:58,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:36:58,317 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:36:58,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:36:58,318 INFO L85 PathProgramCache]: Analyzing trace with hash 903690867, now seen corresponding path program 5 times [2024-08-27 04:36:58,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:36:58,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151125772] [2024-08-27 04:36:58,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:36:58,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:36:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:37:02,900 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-08-27 04:37:02,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:37:02,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151125772] [2024-08-27 04:37:02,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151125772] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:37:02,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823996806] [2024-08-27 04:37:02,900 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-27 04:37:02,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:37:02,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:37:02,902 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:37:02,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-27 04:37:03,119 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-08-27 04:37:03,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:37:03,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 54 conjunts are in the unsatisfiable core [2024-08-27 04:37:03,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:37:04,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:37:04,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2024-08-27 04:37:04,304 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 77 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-27 04:37:04,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:37:04,875 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:37:04,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 111 [2024-08-27 04:37:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-08-27 04:37:05,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823996806] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:37:05,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:37:05,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23, 14] total 61 [2024-08-27 04:37:05,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950631041] [2024-08-27 04:37:05,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:37:05,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-08-27 04:37:05,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:37:05,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-08-27 04:37:05,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=3459, Unknown=0, NotChecked=0, Total=3782 [2024-08-27 04:37:05,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:37:05,486 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:37:05,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 3.5806451612903225) internal successors, (222), 61 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:37:05,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:05,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:37:05,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:05,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:37:05,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:05,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:05,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:05,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:37:05,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:05,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:37:05,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:37:10,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:37:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:37:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:37:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:37:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:37:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-08-27 04:37:14,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-08-27 04:37:14,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:37:14,566 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:37:14,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:37:14,566 INFO L85 PathProgramCache]: Analyzing trace with hash -844470780, now seen corresponding path program 1 times [2024-08-27 04:37:14,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:37:14,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160368613] [2024-08-27 04:37:14,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:37:14,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:37:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:37:20,939 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-27 04:37:20,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:37:20,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160368613] [2024-08-27 04:37:20,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160368613] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:37:20,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593733046] [2024-08-27 04:37:20,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:37:20,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:37:20,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:37:20,941 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:37:20,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-08-27 04:37:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:37:21,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 62 conjunts are in the unsatisfiable core [2024-08-27 04:37:21,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:37:21,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:37:21,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 30 [2024-08-27 04:37:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-27 04:37:22,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:37:24,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:37:24,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 111 [2024-08-27 04:37:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-08-27 04:37:25,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593733046] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:37:25,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:37:25,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 20, 11] total 63 [2024-08-27 04:37:25,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532096781] [2024-08-27 04:37:25,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:37:25,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-08-27 04:37:25,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:37:25,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-08-27 04:37:25,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=3775, Unknown=1, NotChecked=0, Total=4032 [2024-08-27 04:37:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:37:25,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:37:25,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 3.625) internal successors, (232), 63 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:37:25,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:25,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:37:25,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:25,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:37:25,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:25,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:25,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:25,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:37:25,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:25,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:37:25,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-08-27 04:37:25,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:37:37,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:37:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-08-27 04:37:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-08-27 04:37:44,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-08-27 04:37:44,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-08-27 04:37:44,752 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:37:44,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:37:44,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1810991042, now seen corresponding path program 6 times [2024-08-27 04:37:44,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:37:44,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937815897] [2024-08-27 04:37:44,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:37:44,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:37:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:38:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-27 04:38:11,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:38:11,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937815897] [2024-08-27 04:38:11,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937815897] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:38:11,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436061333] [2024-08-27 04:38:11,844 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-27 04:38:11,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:38:11,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:38:11,846 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:38:11,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-08-27 04:38:12,994 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-08-27 04:38:12,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:38:12,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 84 conjunts are in the unsatisfiable core [2024-08-27 04:38:13,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:38:14,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:38:14,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 101 [2024-08-27 04:38:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 3 proven. 160 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-27 04:38:14,912 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:38:18,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:38:18,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 97 treesize of output 413 [2024-08-27 04:38:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-08-27 04:38:36,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436061333] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:38:36,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:38:36,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 29, 20] total 91 [2024-08-27 04:38:36,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803300467] [2024-08-27 04:38:36,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:38:36,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-08-27 04:38:36,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:38:36,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-08-27 04:38:36,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=7808, Unknown=1, NotChecked=0, Total=8372 [2024-08-27 04:38:36,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:38:36,643 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:38:36,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 3.0652173913043477) internal successors, (282), 91 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:38:36,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:38:36,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:38:36,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:38:36,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:38:36,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:38:36,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:38:36,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:38:36,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:38:36,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:38:36,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:38:36,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-08-27 04:38:36,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-08-27 04:38:36,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:38:42,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:38:44,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:38:50,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:38:58,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:00,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:02,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:05,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:07,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:09,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:15,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:17,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:19,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:21,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:23,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:25,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:27,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:30,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:32,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:34,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:36,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:38,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:40,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:43,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:46,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:39:54,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:40:07,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-08-27 04:40:07,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-08-27 04:40:07,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-08-27 04:40:08,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:40:08,175 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:40:08,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:40:08,175 INFO L85 PathProgramCache]: Analyzing trace with hash -750180471, now seen corresponding path program 2 times [2024-08-27 04:40:08,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:40:08,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116791834] [2024-08-27 04:40:08,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:40:08,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:40:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:40:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-08-27 04:40:08,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:40:08,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116791834] [2024-08-27 04:40:08,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116791834] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:40:08,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:40:08,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 04:40:08,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815043134] [2024-08-27 04:40:08,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:40:08,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:40:08,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:40:08,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:40:08,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-27 04:40:08,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:40:08,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:40:08,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-08-27 04:40:08,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:40:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:40:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:40:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:10,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:40:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:40:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-08-27 04:40:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-08-27 04:40:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-08-27 04:40:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:10,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-08-27 04:40:10,342 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:40:10,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:40:10,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1021963407, now seen corresponding path program 3 times [2024-08-27 04:40:10,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:40:10,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512680096] [2024-08-27 04:40:10,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:40:10,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:40:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:40:22,318 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:40:22,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:40:22,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512680096] [2024-08-27 04:40:22,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512680096] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:40:22,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127308819] [2024-08-27 04:40:22,318 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-27 04:40:22,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:40:22,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:40:22,319 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:40:22,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-08-27 04:40:22,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-08-27 04:40:22,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:40:22,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 41 conjunts are in the unsatisfiable core [2024-08-27 04:40:22,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:40:24,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:40:24,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 101 [2024-08-27 04:40:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-08-27 04:40:24,303 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:40:25,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:40:25,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 97 treesize of output 413 [2024-08-27 04:40:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-08-27 04:40:55,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127308819] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:40:55,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:40:55,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 19, 19] total 81 [2024-08-27 04:40:55,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180052679] [2024-08-27 04:40:55,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:40:55,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-08-27 04:40:55,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:40:55,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-08-27 04:40:55,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=6229, Unknown=0, NotChecked=0, Total=6642 [2024-08-27 04:40:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:40:55,843 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:40:55,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 3.1707317073170733) internal successors, (260), 81 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:40:55,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-08-27 04:40:55,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-08-27 04:40:55,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-08-27 04:40:55,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:40:55,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:41:06,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:41:08,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:41:10,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:41:12,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:41:22,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:41:35,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-27 04:41:46,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-27 04:41:48,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:41:50,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:41:53,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:41:55,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-27 04:41:57,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-08-27 04:42:05,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:42:08,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:42:13,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:43:43,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-27 04:43:58,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-08-27 04:44:00,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:44:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2024-08-27 04:44:04,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-08-27 04:44:05,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-08-27 04:44:05,043 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:44:05,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:44:05,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1958948884, now seen corresponding path program 7 times [2024-08-27 04:44:05,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:44:05,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942528546] [2024-08-27 04:44:05,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:44:05,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:44:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:47:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:47:13,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:47:13,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942528546] [2024-08-27 04:47:13,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942528546] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:47:13,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444457874] [2024-08-27 04:47:13,746 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-27 04:47:13,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:47:13,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:47:13,748 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:47:13,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-08-27 04:47:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:47:13,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 99 conjunts are in the unsatisfiable core [2024-08-27 04:47:13,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:47:21,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:47:21,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 140 treesize of output 367 [2024-08-27 04:47:22,582 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 3 proven. 273 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-08-27 04:47:22,582 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:47:37,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-27 04:47:37,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 189 treesize of output 1617 [2024-08-27 04:49:17,909 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-08-27 04:49:17,910 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 101 [2024-08-27 04:49:17,911 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-08-27 04:49:17,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-08-27 04:49:18,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-08-27 04:49:18,112 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:287) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:519) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:503) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2024-08-27 04:49:18,120 INFO L158 Benchmark]: Toolchain (without parser) took 775495.80ms. Allocated memory was 159.4MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 127.3MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2024-08-27 04:49:18,120 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 04:49:18,120 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 04:49:18,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.36ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 104.4MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-27 04:49:18,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.88ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 100.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-27 04:49:18,120 INFO L158 Benchmark]: Boogie Preprocessor took 50.07ms. Allocated memory is still 159.4MB. Free memory was 100.1MB in the beginning and 97.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-27 04:49:18,121 INFO L158 Benchmark]: RCFGBuilder took 933.75ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 97.6MB in the beginning and 140.9MB in the end (delta: -43.3MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2024-08-27 04:49:18,121 INFO L158 Benchmark]: TraceAbstraction took 774050.61ms. Allocated memory was 192.9MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 139.9MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2024-08-27 04:49:18,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.36ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 104.4MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.88ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 100.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.07ms. Allocated memory is still 159.4MB. Free memory was 100.1MB in the beginning and 97.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 933.75ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 97.6MB in the beginning and 140.9MB in the end (delta: -43.3MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * TraceAbstraction took 774050.61ms. Allocated memory was 192.9MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 139.9MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-08-27 04:49:18,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 04:49:20,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 04:49:20,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-27 04:49:20,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 04:49:20,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 04:49:20,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 04:49:20,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 04:49:20,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 04:49:20,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 04:49:20,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 04:49:20,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 04:49:20,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 04:49:20,674 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 04:49:20,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 04:49:20,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 04:49:20,675 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 04:49:20,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 04:49:20,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 04:49:20,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 04:49:20,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 04:49:20,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 04:49:20,679 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-27 04:49:20,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 04:49:20,679 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-27 04:49:20,680 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 04:49:20,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 04:49:20,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 04:49:20,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 04:49:20,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 04:49:20,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 04:49:20,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 04:49:20,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 04:49:20,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 04:49:20,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 04:49:20,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 04:49:20,682 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-27 04:49:20,682 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 04:49:20,685 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-27 04:49:20,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 04:49:20,686 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 04:49:20,686 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 04:49:20,686 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 04:49:20,686 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 04:49:20,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-27 04:49:20,686 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 04:49:20,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 04:49:20,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 04:49:20,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 04:49:20,965 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 04:49:20,966 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 04:49:20,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/popl20-prod-cons3.wvr.yml/witness.yml [2024-08-27 04:49:21,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 04:49:21,045 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 04:49:21,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-08-27 04:49:23,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 04:49:23,266 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 04:49:23,266 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2024-08-27 04:49:23,273 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/82f53b124/dd80ed1724d2446799a2b62f73cd768d/FLAGf662f77b6 [2024-08-27 04:49:23,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/82f53b124/dd80ed1724d2446799a2b62f73cd768d [2024-08-27 04:49:23,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 04:49:23,291 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 04:49:23,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 04:49:23,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 04:49:23,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 04:49:23,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:49:21" (1/2) ... [2024-08-27 04:49:23,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c73114 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:49:23, skipping insertion in model container [2024-08-27 04:49:23,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:49:21" (1/2) ... [2024-08-27 04:49:23,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dff6158 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:49:23, skipping insertion in model container [2024-08-27 04:49:23,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:49:23" (2/2) ... [2024-08-27 04:49:23,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c73114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23, skipping insertion in model container [2024-08-27 04:49:23,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:49:23" (2/2) ... [2024-08-27 04:49:23,299 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 04:49:23,314 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 04:49:23,315 INFO L1541 ArrayList]: Location invariant before [L143-L143] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-27 04:49:23,315 INFO L1541 ArrayList]: Location invariant before [L144-L144] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-27 04:49:23,315 INFO L1541 ArrayList]: Location invariant before [L141-L141] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-27 04:49:23,315 INFO L1541 ArrayList]: Location invariant before [L142-L142] ((! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2147483648LL + (long long )front1) + (long long )n1 >= 0LL && (2147483648LL + (long long )front1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back1) + (long long )n2 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )front2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n1 >= 0LL) && (2147483648LL + (long long )back2) + (long long )n2 >= 0LL) && (2147483648LL + (long long )W) + (long long )front1 >= 0LL) && (2147483648LL + (long long )W) + (long long )back1 >= 0LL) && (2147483648LL + (long long )W) + (long long )front2 >= 0LL) && (2147483648LL + (long long )W) + (long long )back2 >= 0LL) && (1073741822LL - (long long )W) + (long long )n1 >= 0LL) && (1073741822LL - (long long )W) + (long long )n2 >= 0LL) && (1073741823LL - (long long )n1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back1) + (long long )n2 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )front2) + (long long )n2 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n1 >= 0LL) && (2147483647LL - (long long )back2) + (long long )n2 >= 0LL) && (3221225470LL - (long long )W) + (long long )front1 >= 0LL) && (3221225470LL - (long long )W) + (long long )back1 >= 0LL) && (3221225470LL - (long long )W) + (long long )front2 >= 0LL) && (3221225470LL - (long long )W) + (long long )back2 >= 0LL) && (4294967295LL - (long long )front1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back1) + (long long )front2 >= 0LL) && (4294967295LL - (long long )back1) + (long long )back2 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front1 >= 0LL) && (4294967295LL - (long long )back2) + (long long )front2 >= 0LL) && (long long )n1 + (long long )n2 >= 0LL) && (long long )W + (long long )n1 >= 0LL) && (long long )W + (long long )n2 >= 0LL) && (1073741823LL + (long long )n1) - (long long )n2 >= 0LL) && (1073741823LL + (long long )W) - (long long )n1 >= 0LL) && (1073741823LL + (long long )W) - (long long )n2 >= 0LL) && (2147483647LL + (long long )W) - (long long )front1 >= 0LL) && (2147483647LL + (long long )W) - (long long )back1 >= 0LL) && (2147483647LL + (long long )W) - (long long )front2 >= 0LL) && (2147483647LL + (long long )W) - (long long )back2 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back1) - (long long )n2 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )front2) - (long long )n2 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n1 >= 0LL) && (3221225471LL + (long long )back2) - (long long )n2 >= 0LL) && (4294967295LL + (long long )front1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back1) - (long long )front2 >= 0LL) && (4294967295LL + (long long )back1) - (long long )back2 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front1 >= 0LL) && (4294967295LL + (long long )back2) - (long long )front2 >= 0LL) && (2147483645LL - (long long )W) - (long long )n1 >= 0LL) && (2147483645LL - (long long )W) - (long long )n2 >= 0LL) && (2147483646LL - (long long )n1) - (long long )n2 >= 0LL) && (3221225469LL - (long long )W) - (long long )front1 >= 0LL) && (3221225469LL - (long long )W) - (long long )back1 >= 0LL) && (3221225469LL - (long long )W) - (long long )front2 >= 0LL) && (3221225469LL - (long long )W) - (long long )back2 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back1) - (long long )n2 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )front2) - (long long )n2 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n1 >= 0LL) && (3221225470LL - (long long )back2) - (long long )n2 >= 0LL) && (4294967294LL - (long long )front1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back1) - (long long )front2 >= 0LL) && (4294967294LL - (long long )back1) - (long long )back2 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front1 >= 0LL) && (4294967294LL - (long long )back2) - (long long )front2 >= 0LL)) && (! multithreaded || (0 <= W && W <= 1073741822))) && (! multithreaded || (0 <= W && W <= 1073741822)) [2024-08-27 04:49:23,316 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-27 04:49:23,316 INFO L1541 ArrayList]: ghost_update [L140-L140] multithreaded = 1; [2024-08-27 04:49:23,345 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 04:49:23,526 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-08-27 04:49:23,539 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 04:49:23,556 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 04:49:23,712 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-08-27 04:49:23,716 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 04:49:23,738 INFO L206 MainTranslator]: Completed translation [2024-08-27 04:49:23,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23 WrapperNode [2024-08-27 04:49:23,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 04:49:23,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 04:49:23,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 04:49:23,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 04:49:23,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,802 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 260 [2024-08-27 04:49:23,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 04:49:23,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 04:49:23,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 04:49:23,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 04:49:23,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 04:49:23,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 04:49:23,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 04:49:23,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 04:49:23,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (1/1) ... [2024-08-27 04:49:23,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 04:49:23,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:49:23,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-27 04:49:23,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-27 04:49:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 04:49:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-08-27 04:49:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-08-27 04:49:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-27 04:49:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-27 04:49:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-27 04:49:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-27 04:49:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-27 04:49:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-27 04:49:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-08-27 04:49:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-08-27 04:49:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-27 04:49:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-27 04:49:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-27 04:49:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 04:49:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 04:49:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-08-27 04:49:23,953 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 04:49:24,043 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 04:49:24,045 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 04:49:25,909 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 04:49:25,909 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 04:49:26,174 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 04:49:26,174 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-08-27 04:49:26,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:49:26 BoogieIcfgContainer [2024-08-27 04:49:26,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 04:49:26,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 04:49:26,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 04:49:26,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 04:49:26,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:49:21" (1/4) ... [2024-08-27 04:49:26,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545a3618 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 04:49:26, skipping insertion in model container [2024-08-27 04:49:26,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 04:49:23" (2/4) ... [2024-08-27 04:49:26,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545a3618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:49:26, skipping insertion in model container [2024-08-27 04:49:26,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:23" (3/4) ... [2024-08-27 04:49:26,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545a3618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:49:26, skipping insertion in model container [2024-08-27 04:49:26,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:49:26" (4/4) ... [2024-08-27 04:49:26,184 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-08-27 04:49:26,199 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 04:49:26,200 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-08-27 04:49:26,200 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 04:49:26,270 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-08-27 04:49:26,309 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 04:49:26,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 04:49:26,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:49:26,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-27 04:49:26,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-27 04:49:26,337 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 04:49:26,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 04:49:26,352 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@407122f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 04:49:26,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-08-27 04:49:32,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:49:32,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:49:32,665 INFO L85 PathProgramCache]: Analyzing trace with hash 549974207, now seen corresponding path program 1 times [2024-08-27 04:49:32,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-27 04:49:32,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283255631] [2024-08-27 04:49:32,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:49:32,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-27 04:49:32,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-27 04:49:32,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-27 04:49:32,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-08-27 04:49:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:49:32,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 17 conjunts are in the unsatisfiable core [2024-08-27 04:49:32,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:49:33,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:49:33,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-27 04:49:33,456 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-27 04:49:33,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283255631] [2024-08-27 04:49:33,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283255631] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:49:33,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:49:33,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 04:49:33,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278773895] [2024-08-27 04:49:33,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:49:33,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 04:49:33,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-27 04:49:33,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 04:49:33,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-27 04:49:33,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:49:33,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:49:33,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:49:33,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:49:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 04:49:33,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-08-27 04:49:34,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-27 04:49:34,160 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 6 more)] === [2024-08-27 04:49:34,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:49:34,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1318067552, now seen corresponding path program 1 times [2024-08-27 04:49:34,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-27 04:49:34,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504327405] [2024-08-27 04:49:34,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:49:34,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-27 04:49:34,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-27 04:49:34,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-27 04:49:34,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-08-27 04:49:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:49:34,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2024-08-27 04:49:34,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:49:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:49:35,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... Killed by 15