./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 09:01:04,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:01:04,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:01:04,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:01:04,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:01:04,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:01:04,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:01:04,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:01:04,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:01:04,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:01:04,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:01:04,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:01:04,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:01:04,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:01:04,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:01:04,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:01:04,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:01:04,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:01:04,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:01:04,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:01:04,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:01:04,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:01:04,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:01:04,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:01:04,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:01:04,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:01:04,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:01:04,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:01:04,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:01:04,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:01:04,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:01:04,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:01:04,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:01:04,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:01:04,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:01:04,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:01:04,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:01:04,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:01:04,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:01:04,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:01:04,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:01:04,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 09:01:04,733 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:01:04,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:01:04,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:01:04,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:01:04,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:01:04,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:01:04,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:01:04,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:01:04,736 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:01:04,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:01:04,736 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:01:04,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:01:04,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:01:04,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:01:04,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:01:04,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:01:04,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:01:04,738 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:01:04,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:01:04,738 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:01:04,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:01:04,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:01:04,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:01:04,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:01:04,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:01:04,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:01:04,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:01:04,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:01:04,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:01:04,740 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 09:01:04,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:01:04,740 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:01:04,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:01:04,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 09:01:04,741 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:01:04,741 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:01:04,741 INFO L138 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb [2022-12-13 09:01:04,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:01:04,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:01:04,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:01:04,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:01:04,951 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:01:04,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/pthread/bigshot_s2.i [2022-12-13 09:01:07,586 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:01:07,807 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:01:07,808 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/sv-benchmarks/c/pthread/bigshot_s2.i [2022-12-13 09:01:07,820 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/data/3bc549394/bb5650c814aa49ffbea48d0e597bee1c/FLAG4dbcd7dd5 [2022-12-13 09:01:07,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/data/3bc549394/bb5650c814aa49ffbea48d0e597bee1c [2022-12-13 09:01:07,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:01:07,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:01:07,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:01:07,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:01:07,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:01:07,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:01:07" (1/1) ... [2022-12-13 09:01:07,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fe3ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:07, skipping insertion in model container [2022-12-13 09:01:07,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:01:07" (1/1) ... [2022-12-13 09:01:07,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:01:07,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:01:08,386 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2022-12-13 09:01:08,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:01:08,410 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:01:08,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2022-12-13 09:01:08,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:01:08,507 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:01:08,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08 WrapperNode [2022-12-13 09:01:08,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:01:08,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:01:08,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:01:08,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:01:08,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,548 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-13 09:01:08,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:01:08,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:01:08,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:01:08,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:01:08,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:01:08,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:01:08,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:01:08,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:01:08,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (1/1) ... [2022-12-13 09:01:08,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:01:08,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:01:08,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:01:08,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:01:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:01:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:01:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 09:01:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:01:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 09:01:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 09:01:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 09:01:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 09:01:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:01:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 09:01:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:01:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:01:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:01:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:01:08,624 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:01:08,723 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:01:08,724 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:01:08,850 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:01:08,855 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:01:08,856 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 09:01:08,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:01:08 BoogieIcfgContainer [2022-12-13 09:01:08,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:01:08,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:01:08,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:01:08,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:01:08,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:01:07" (1/3) ... [2022-12-13 09:01:08,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797a9ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:01:08, skipping insertion in model container [2022-12-13 09:01:08,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:01:08" (2/3) ... [2022-12-13 09:01:08,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797a9ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:01:08, skipping insertion in model container [2022-12-13 09:01:08,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:01:08" (3/3) ... [2022-12-13 09:01:08,863 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2022-12-13 09:01:08,869 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 09:01:08,877 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:01:08,877 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 09:01:08,877 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:01:08,927 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 09:01:08,956 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:01:08,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:01:08,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:01:08,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:01:08,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:01:08,986 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:01:08,996 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 09:01:09,001 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@22dbc1f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:01:09,001 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 09:01:09,112 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:01:09,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:01:09,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1796320780, now seen corresponding path program 1 times [2022-12-13 09:01:09,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:01:09,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737007501] [2022-12-13 09:01:09,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:01:09,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:01:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:01:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:09,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:01:09,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737007501] [2022-12-13 09:01:09,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737007501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:01:09,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:01:09,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:01:09,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600390790] [2022-12-13 09:01:09,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:01:09,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 09:01:09,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:01:09,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 09:01:09,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 09:01:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:09,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:01:09,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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) [2022-12-13 09:01:09,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:09,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:09,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:01:09,351 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:01:09,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:01:09,351 INFO L85 PathProgramCache]: Analyzing trace with hash -2036942839, now seen corresponding path program 1 times [2022-12-13 09:01:09,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:01:09,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918793612] [2022-12-13 09:01:09,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:01:09,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:01:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:01:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:09,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:01:09,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918793612] [2022-12-13 09:01:09,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918793612] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:01:09,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:01:09,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 09:01:09,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070731355] [2022-12-13 09:01:09,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:01:09,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 09:01:09,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:01:09,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 09:01:09,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 09:01:09,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:09,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:01:09,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 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) [2022-12-13 09:01:09,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:10,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:10,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:01:10,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 09:01:10,058 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:01:10,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:01:10,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1614903405, now seen corresponding path program 1 times [2022-12-13 09:01:10,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:01:10,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895615199] [2022-12-13 09:01:10,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:01:10,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:01:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:01:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:10,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:01:10,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895615199] [2022-12-13 09:01:10,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895615199] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:01:10,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520299127] [2022-12-13 09:01:10,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:01:10,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:01:10,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:01:10,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:01:10,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 09:01:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:01:10,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-13 09:01:10,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:01:10,816 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 09:01:10,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 09:01:10,854 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 09:01:10,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-12-13 09:01:10,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:11,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:11,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:01:11,268 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-13 09:01:11,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2022-12-13 09:01:11,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:11,395 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 09:01:11,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2022-12-13 09:01:11,472 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 09:01:11,472 INFO L350 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 26 treesize of output 10 [2022-12-13 09:01:11,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:11,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:01:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:12,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520299127] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:01:12,454 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:01:12,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19, 17] total 42 [2022-12-13 09:01:12,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364580423] [2022-12-13 09:01:12,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:01:12,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-12-13 09:01:12,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:01:12,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-12-13 09:01:12,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1578, Unknown=0, NotChecked=0, Total=1722 [2022-12-13 09:01:12,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:12,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:01:12,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.761904761904762) internal successors, (200), 42 states have internal predecessors, (200), 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) [2022-12-13 09:01:12,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:12,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:01:12,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:01:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:01:14,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 09:01:14,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:01:14,869 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:01:14,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:01:14,869 INFO L85 PathProgramCache]: Analyzing trace with hash -731066983, now seen corresponding path program 2 times [2022-12-13 09:01:14,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:01:14,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22387779] [2022-12-13 09:01:14,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:01:14,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:01:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:01:15,560 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:15,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:01:15,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22387779] [2022-12-13 09:01:15,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22387779] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:01:15,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972371892] [2022-12-13 09:01:15,561 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:01:15,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:01:15,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:01:15,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:01:15,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 09:01:15,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:01:15,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:01:15,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-13 09:01:15,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:01:15,711 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 09:01:15,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 09:01:15,752 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 09:01:15,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 09:01:15,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:15,842 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 09:01:15,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-12-13 09:01:15,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:16,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:16,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:16,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:16,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:16,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 09:01:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:16,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:01:16,369 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_105 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_105) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1)))) is different from false [2022-12-13 09:01:16,524 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_105 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_105) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| 4)))) is different from false [2022-12-13 09:01:17,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 486 treesize of output 466 [2022-12-13 09:01:17,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 462 treesize of output 430 [2022-12-13 09:01:17,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 430 treesize of output 422 [2022-12-13 09:01:17,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 422 treesize of output 406 [2022-12-13 09:01:25,486 WARN L233 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:01:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2022-12-13 09:01:25,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972371892] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:01:25,683 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:01:25,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 18] total 47 [2022-12-13 09:01:25,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25096519] [2022-12-13 09:01:25,683 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:01:25,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-12-13 09:01:25,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:01:25,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-12-13 09:01:25,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1800, Unknown=13, NotChecked=174, Total=2162 [2022-12-13 09:01:25,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:25,686 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:01:25,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.468085106382978) internal successors, (210), 47 states have internal predecessors, (210), 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) [2022-12-13 09:01:25,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:25,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:01:25,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:01:25,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:01:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:01:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:01:26,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 09:01:27,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:01:27,142 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:01:27,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:01:27,145 INFO L85 PathProgramCache]: Analyzing trace with hash 49432061, now seen corresponding path program 3 times [2022-12-13 09:01:27,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:01:27,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207910908] [2022-12-13 09:01:27,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:01:27,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:01:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:01:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:27,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:01:27,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207910908] [2022-12-13 09:01:27,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207910908] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:01:27,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282333211] [2022-12-13 09:01:27,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 09:01:27,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:01:27,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:01:27,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:01:27,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 09:01:27,978 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-12-13 09:01:27,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:01:27,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-13 09:01:27,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:01:28,125 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-13 09:01:28,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-12-13 09:01:28,189 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-13 09:01:28,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-12-13 09:01:28,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:28,373 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-13 09:01:28,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-13 09:01:28,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:28,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:28,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:28,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:28,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:29,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:29,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 09:01:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:29,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:01:29,212 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_158 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_158) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1)))) is different from false [2022-12-13 09:01:29,219 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_158 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_158) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ 2 |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1|)))) is different from false [2022-12-13 09:01:29,413 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_158 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_158) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ 5 |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset|)))) is different from false [2022-12-13 09:01:30,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 230 [2022-12-13 09:01:30,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 210 [2022-12-13 09:01:30,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 101 [2022-12-13 09:01:30,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 198 [2022-12-13 09:01:30,613 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 27 not checked. [2022-12-13 09:01:30,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282333211] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:01:30,613 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:01:30,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21, 19] total 53 [2022-12-13 09:01:30,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324133217] [2022-12-13 09:01:30,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:01:30,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-12-13 09:01:30,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:01:30,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-12-13 09:01:30,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=2234, Unknown=27, NotChecked=294, Total=2756 [2022-12-13 09:01:30,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:30,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:01:30,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.377358490566038) internal successors, (232), 53 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) [2022-12-13 09:01:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:01:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:01:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:01:30,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:01:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:01:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:01:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:01:33,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 09:01:33,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:01:33,748 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:01:33,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:01:33,749 INFO L85 PathProgramCache]: Analyzing trace with hash 125627489, now seen corresponding path program 4 times [2022-12-13 09:01:33,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:01:33,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750113640] [2022-12-13 09:01:33,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:01:33,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:01:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:01:34,505 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:34,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:01:34,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750113640] [2022-12-13 09:01:34,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750113640] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:01:34,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078700368] [2022-12-13 09:01:34,505 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 09:01:34,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:01:34,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:01:34,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:01:34,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 09:01:34,595 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 09:01:34,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:01:34,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 58 conjunts are in the unsatisfiable core [2022-12-13 09:01:34,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:01:34,654 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-13 09:01:34,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-13 09:01:34,677 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-13 09:01:34,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-12-13 09:01:34,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:34,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 09:01:34,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:01:34,947 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-13 09:01:34,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2022-12-13 09:01:35,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:35,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:01:35,045 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 09:01:35,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 35 [2022-12-13 09:01:35,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:35,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:35,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:01:35,131 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 09:01:35,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2022-12-13 09:01:35,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:35,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:01:35,193 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 09:01:35,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2022-12-13 09:01:35,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:35,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:35,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:01:35,263 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 09:01:35,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2022-12-13 09:01:35,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:35,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 09:01:35,319 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 09:01:35,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2022-12-13 09:01:35,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:01:35,404 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 09:01:35,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2022-12-13 09:01:35,474 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 09:01:35,474 INFO L350 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 22 treesize of output 10 [2022-12-13 09:01:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 32 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:01:35,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:02:10,631 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_223 Int) (v_ArrVal_220 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| Int) (v_ArrVal_218 Int) (v_ArrVal_216 Int)) (or (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51|)) (not (<= (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1|) v_ArrVal_216) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_218) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_220) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_223)) c_~v~0.base) c_~v~0.offset)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50|)))) is different from false [2022-12-13 09:02:34,353 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 Int) (v_ArrVal_223 Int) (v_ArrVal_220 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| Int) (v_ArrVal_218 Int) (v_ArrVal_216 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| Int)) (or (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52|)) (not (<= (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1|) v_ArrVal_214) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_216) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_218) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_220) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_223)) c_~v~0.base) c_~v~0.offset)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50|)))) is different from false [2022-12-13 09:02:34,584 WARN L837 $PredicateComparison]: unable to prove that (forall ((|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| Int)) (or (not (<= (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54|)) (forall ((v_ArrVal_214 Int) (v_ArrVal_223 Int) (v_ArrVal_220 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| Int) (v_ArrVal_218 Int) (v_ArrVal_216 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| Int)) (or (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_214) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_216) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_218) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_220) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_223)) c_~v~0.base) c_~v~0.offset)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50|)))))) is different from false [2022-12-13 09:02:36,669 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 Int) (v_ArrVal_212 Int) (v_ArrVal_223 Int) (v_ArrVal_220 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| Int) (v_ArrVal_218 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| Int) (v_ArrVal_216 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| Int)) (or (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51|)) (not (<= (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1|) v_ArrVal_212) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_214) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_216) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_218) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_220) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_223)) c_~v~0.base) c_~v~0.offset)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50|)))) is different from false [2022-12-13 09:02:38,759 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 Int) (v_ArrVal_212 Int) (v_ArrVal_223 Int) (v_ArrVal_220 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| Int) (v_ArrVal_218 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| Int) (v_ArrVal_216 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| Int)) (or (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) v_ArrVal_212) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_214) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_216) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_218) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_220) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_223)) c_~v~0.base) c_~v~0.offset)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53|)) (not (<= (+ 2 |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1|) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50|)))) is different from false [2022-12-13 09:03:34,787 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 Int) (v_ArrVal_212 Int) (v_ArrVal_223 Int) (v_ArrVal_220 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| Int) (v_ArrVal_218 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| Int) (v_ArrVal_216 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| Int)) (or (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53|)) (not (<= 2 |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset| (select (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset|)) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset| 1) v_ArrVal_212) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_54| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_214) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_53| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_216) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_52| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_218) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_220) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_223)) c_~v~0.base) c_~v~0.offset)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_51| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_50|)))) is different from false [2022-12-13 09:03:44,430 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 15 proven. 10 refuted. 3 times theorem prover too weak. 0 trivial. 50 not checked. [2022-12-13 09:03:44,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078700368] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:03:44,431 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:03:44,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 24, 27] total 61 [2022-12-13 09:03:44,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364810210] [2022-12-13 09:03:44,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:03:44,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-12-13 09:03:44,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:03:44,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-12-13 09:03:44,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=2650, Unknown=59, NotChecked=666, Total=3660 [2022-12-13 09:03:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:44,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:03:44,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 4.262295081967213) internal successors, (260), 61 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) [2022-12-13 09:03:44,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:03:44,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:03:44,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:03:44,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:03:44,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:03:44,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:04:10,688 WARN L233 SmtUtils]: Spent 25.38s on a formula simplification. DAG size of input: 87 DAG size of output: 80 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:04:12,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:04:14,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:04:15,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:04:17,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:04:19,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:05:02,748 WARN L233 SmtUtils]: Spent 37.86s on a formula simplification. DAG size of input: 117 DAG size of output: 79 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:05:42,905 WARN L233 SmtUtils]: Spent 39.17s on a formula simplification. DAG size of input: 116 DAG size of output: 78 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:06:00,060 WARN L233 SmtUtils]: Spent 11.38s on a formula simplification. DAG size of input: 117 DAG size of output: 78 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:06:06,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 09:06:25,580 WARN L233 SmtUtils]: Spent 19.13s on a formula simplification. DAG size of input: 119 DAG size of output: 80 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:06:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:06:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:06:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:06:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:06:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 09:06:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-12-13 09:06:33,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 09:06:33,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 09:06:33,918 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:06:33,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:06:33,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1696695431, now seen corresponding path program 1 times [2022-12-13 09:06:33,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:06:33,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853377269] [2022-12-13 09:06:33,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:06:33,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:06:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:06:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:06:33,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:06:33,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853377269] [2022-12-13 09:06:33,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853377269] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:06:33,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:06:33,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 09:06:33,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883182876] [2022-12-13 09:06:33,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:06:33,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:06:33,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:06:33,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:06:33,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:06:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:06:33,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:06:33,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-12-13 09:06:33,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:06:33,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:06:33,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:06:33,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:06:33,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 09:06:33,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-12-13 09:06:33,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:06:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:06:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:06:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:06:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:06:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 09:06:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-12-13 09:06:34,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 09:06:34,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-13 09:06:34,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-13 09:06:34,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-13 09:06:34,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 09:06:34,087 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1] [2022-12-13 09:06:34,089 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 09:06:34,089 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 09:06:34,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:06:34 BasicIcfg [2022-12-13 09:06:34,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 09:06:34,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 09:06:34,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 09:06:34,092 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 09:06:34,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:01:08" (3/4) ... [2022-12-13 09:06:34,094 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 09:06:34,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 09:06:34,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 09:06:34,102 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-13 09:06:34,102 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-13 09:06:34,102 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 09:06:34,102 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 09:06:34,102 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 09:06:34,128 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/witness.graphml [2022-12-13 09:06:34,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 09:06:34,129 INFO L158 Benchmark]: Toolchain (without parser) took 326290.82ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 66.9MB in the beginning and 64.2MB in the end (delta: 2.7MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2022-12-13 09:06:34,129 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 83.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:06:34,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 668.00ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 66.5MB in the beginning and 95.1MB in the end (delta: -28.5MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2022-12-13 09:06:34,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.98ms. Allocated memory is still 132.1MB. Free memory was 94.9MB in the beginning and 92.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 09:06:34,130 INFO L158 Benchmark]: Boogie Preprocessor took 19.06ms. Allocated memory is still 132.1MB. Free memory was 92.2MB in the beginning and 90.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:06:34,130 INFO L158 Benchmark]: RCFGBuilder took 288.15ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 76.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 09:06:34,130 INFO L158 Benchmark]: TraceAbstraction took 325232.82ms. Allocated memory is still 132.1MB. Free memory was 76.2MB in the beginning and 66.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-12-13 09:06:34,130 INFO L158 Benchmark]: Witness Printer took 36.74ms. Allocated memory is still 132.1MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 09:06:34,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 83.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 668.00ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 66.5MB in the beginning and 95.1MB in the end (delta: -28.5MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.98ms. Allocated memory is still 132.1MB. Free memory was 94.9MB in the beginning and 92.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.06ms. Allocated memory is still 132.1MB. Free memory was 92.2MB in the beginning and 90.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.15ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 76.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 325232.82ms. Allocated memory is still 132.1MB. Free memory was 76.2MB in the beginning and 66.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 36.74ms. Allocated memory is still 132.1MB. Free memory was 66.3MB in the beginning and 64.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1323, independent: 1062, independent conditional: 544, independent unconditional: 518, dependent: 261, dependent conditional: 253, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1086, independent: 1062, independent conditional: 544, independent unconditional: 518, dependent: 24, dependent conditional: 16, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1086, independent: 1062, independent conditional: 544, independent unconditional: 518, dependent: 24, dependent conditional: 16, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1174, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 112, dependent conditional: 88, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1174, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 112, dependent conditional: 68, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1174, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 112, dependent conditional: 68, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 544, independent: 506, independent conditional: 0, independent unconditional: 506, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 544, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 39, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 121, dependent conditional: 98, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1174, independent: 556, independent conditional: 0, independent unconditional: 556, dependent: 74, dependent conditional: 38, dependent unconditional: 36, unknown: 544, unknown conditional: 30, unknown unconditional: 514] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 506, Positive conditional cache size: 0, Positive unconditional cache size: 506, Negative cache size: 38, Negative conditional cache size: 30, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 6, Independence queries for same thread: 237 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 119, Number of trivial persistent sets: 105, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 526, independent: 518, independent conditional: 0, independent unconditional: 518, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1323, independent: 1062, independent conditional: 544, independent unconditional: 518, dependent: 261, dependent conditional: 253, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1086, independent: 1062, independent conditional: 544, independent unconditional: 518, dependent: 24, dependent conditional: 16, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1086, independent: 1062, independent conditional: 544, independent unconditional: 518, dependent: 24, dependent conditional: 16, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1174, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 112, dependent conditional: 88, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1174, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 112, dependent conditional: 68, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1174, independent: 1062, independent conditional: 0, independent unconditional: 1062, dependent: 112, dependent conditional: 68, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 544, independent: 506, independent conditional: 0, independent unconditional: 506, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 544, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 39, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 39, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 38, dependent conditional: 30, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 121, dependent conditional: 98, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1174, independent: 556, independent conditional: 0, independent unconditional: 556, dependent: 74, dependent conditional: 38, dependent unconditional: 36, unknown: 544, unknown conditional: 30, unknown unconditional: 514] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 506, Positive conditional cache size: 0, Positive unconditional cache size: 506, Negative cache size: 38, Negative conditional cache size: 30, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 6, Independence queries for same thread: 237 - PositiveResult [Line: 1107]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 325.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 176.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 147.3s InterpolantComputationTime, 895 NumberOfCodeBlocks, 895 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1228 ConstructedInterpolants, 197 QuantifiedInterpolants, 18237 SizeOfPredicates, 55 NumberOfNonLiveVariables, 968 ConjunctsInSsa, 186 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 47/516 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 09:06:34,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-12-13 09:06:34,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9d9e8fa-28c7-4865-8ae6-9f0202069822/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE