./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA --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 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:03:44,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:03:44,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:03:44,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:03:44,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:03:44,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:03:44,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:03:44,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:03:44,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:03:44,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:03:44,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:03:44,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:03:44,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:03:44,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:03:44,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:03:44,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:03:44,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:03:44,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:03:44,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:03:44,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:03:44,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:03:44,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:03:44,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:03:44,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:03:44,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:03:44,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:03:44,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:03:44,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:03:44,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:03:44,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:03:44,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:03:44,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:03:44,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:03:44,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:03:44,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:03:44,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:03:44,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:03:44,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:03:44,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:03:44,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:03:44,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:03:44,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-22 23:03:44,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:03:44,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:03:44,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:03:44,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:03:44,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:03:44,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-22 23:03:44,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:03:44,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:03:44,820 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:03:44,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:03:44,822 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:03:44,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:03:44,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:03:44,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:03:44,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:03:44,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:03:44,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:03:44,823 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:03:44,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:03:44,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:03:44,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:03:44,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:03:44,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:03:44,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-22 23:03:44,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:03:44,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:44,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:03:44,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:03:44,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:03:44,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:03:44,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:03:44,828 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:03:44,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-22 23:03:44,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:03:44,829 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-22 23:03:44,830 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-22 23:03:44,830 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_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 [2021-11-22 23:03:45,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:03:45,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:03:45,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:03:45,119 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:03:45,120 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:03:45,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2021-11-22 23:03:45,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/data/60a1e0398/a4f54c2812764d1499076c1e36aab87a/FLAGdfca0f77a [2021-11-22 23:03:45,729 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:03:45,732 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2021-11-22 23:03:45,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/data/60a1e0398/a4f54c2812764d1499076c1e36aab87a/FLAGdfca0f77a [2021-11-22 23:03:46,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/data/60a1e0398/a4f54c2812764d1499076c1e36aab87a [2021-11-22 23:03:46,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:03:46,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:03:46,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:46,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:03:46,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:03:46,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3921466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46, skipping insertion in model container [2021-11-22 23:03:46,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:03:46,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:03:46,337 WARN L230 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_50124a99-d8bc-4578-b81b-7fac2d9df03f/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2021-11-22 23:03:46,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:03:46,371 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:03:46,398 WARN L230 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_50124a99-d8bc-4578-b81b-7fac2d9df03f/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2021-11-22 23:03:46,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:03:46,423 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:03:46,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46 WrapperNode [2021-11-22 23:03:46,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:03:46,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:03:46,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:03:46,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:03:46,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,487 INFO L137 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 333 [2021-11-22 23:03:46,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:03:46,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:03:46,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:03:46,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:03:46,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:03:46,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:03:46,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:03:46,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:03:46,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (1/1) ... [2021-11-22 23:03:46,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:03:46,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:46,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 23:03:46,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 23:03:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:03:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:03:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:03:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:03:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 23:03:46,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 23:03:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 23:03:46,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 23:03:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-22 23:03:46,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-22 23:03:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:03:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:03:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:03:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:03:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:03:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:03:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:03:46,631 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:03:46,810 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:03:46,827 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:03:47,465 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:03:47,719 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:03:47,719 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-22 23:03:47,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:47 BoogieIcfgContainer [2021-11-22 23:03:47,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:03:47,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 23:03:47,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 23:03:47,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 23:03:47,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:03:46" (1/3) ... [2021-11-22 23:03:47,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfefc6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:03:47, skipping insertion in model container [2021-11-22 23:03:47,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:03:46" (2/3) ... [2021-11-22 23:03:47,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfefc6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:03:47, skipping insertion in model container [2021-11-22 23:03:47,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:03:47" (3/3) ... [2021-11-22 23:03:47,740 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2021-11-22 23:03:47,746 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 23:03:47,746 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 23:03:47,746 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 23:03:47,746 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 23:03:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,818 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,819 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,819 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,819 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,820 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,821 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,822 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,823 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,824 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,826 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,827 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,828 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,828 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,828 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,829 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,829 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,829 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,830 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,830 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,830 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,830 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,831 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,831 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,831 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,831 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,834 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,834 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,834 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,835 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,836 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,838 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,838 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,838 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,838 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,839 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,840 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,842 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,843 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,843 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,843 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,847 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,853 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,853 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,853 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,853 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,853 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,853 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,853 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,854 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,854 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,854 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,854 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,855 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,855 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,855 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,855 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,856 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,856 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,856 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,856 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,856 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,856 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,857 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,857 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,857 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,857 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,864 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,864 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,864 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~short22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,864 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,864 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,865 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,865 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,865 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,865 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,866 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,869 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:47,876 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-22 23:03:47,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-22 23:03:47,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:47,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-22 23:03:47,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-22 23:03:48,025 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-22 23:03:48,059 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 23:03:48,059 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-22 23:03:48,177 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,177 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,177 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,205 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,206 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,206 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,241 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,242 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,242 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,250 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,251 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,251 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:48,300 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:48,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1980092717, now seen corresponding path program 1 times [2021-11-22 23:03:48,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:48,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565664439] [2021-11-22 23:03:48,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:48,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:48,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:48,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565664439] [2021-11-22 23:03:48,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565664439] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:48,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:48,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 23:03:48,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388205497] [2021-11-22 23:03:48,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:48,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 23:03:48,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:48,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 23:03:48,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 23:03:48,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:48,604 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:48,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 94.5) internal successors, (189), 2 states have internal predecessors, (189), 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) [2021-11-22 23:03:48,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:48,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:48,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 23:03:48,691 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:48,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:48,692 INFO L85 PathProgramCache]: Analyzing trace with hash -650855805, now seen corresponding path program 1 times [2021-11-22 23:03:48,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:48,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154324620] [2021-11-22 23:03:48,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:48,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:49,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:49,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154324620] [2021-11-22 23:03:49,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154324620] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:49,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:49,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 23:03:49,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800910197] [2021-11-22 23:03:49,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:49,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 23:03:49,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:49,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 23:03:49,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 23:03:49,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,133 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:49,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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) [2021-11-22 23:03:49,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:49,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 23:03:49,309 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:49,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:49,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1276990049, now seen corresponding path program 1 times [2021-11-22 23:03:49,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:49,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481382398] [2021-11-22 23:03:49,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:49,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:49,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:03:49,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:49,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481382398] [2021-11-22 23:03:49,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481382398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:49,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:49,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 23:03:49,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379597402] [2021-11-22 23:03:49,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:49,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 23:03:49,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:49,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 23:03:49,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:03:49,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,523 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:49,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 6 states have internal predecessors, (189), 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) [2021-11-22 23:03:49,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:49,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:49,676 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,677 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,677 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,679 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,680 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,680 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,751 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,752 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,752 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,774 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,774 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,774 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,806 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,807 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,807 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,841 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,841 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,841 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,853 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,854 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,854 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,866 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,867 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,867 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,887 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,888 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,888 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,889 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,889 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,890 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,910 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,910 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,911 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,941 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,941 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,941 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,952 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,952 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,953 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,965 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,966 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,967 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,994 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,995 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:49,995 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,003 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,003 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,004 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,054 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,055 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,055 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,063 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,063 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,063 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,075 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,075 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,104 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,105 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,105 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,113 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,113 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,113 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:50,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:50,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 23:03:50,177 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:50,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:50,178 INFO L85 PathProgramCache]: Analyzing trace with hash 490997575, now seen corresponding path program 1 times [2021-11-22 23:03:50,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:50,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945579028] [2021-11-22 23:03:50,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:50,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:50,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:03:50,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:50,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945579028] [2021-11-22 23:03:50,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945579028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:50,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:50,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:03:50,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076910086] [2021-11-22 23:03:50,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:50,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:03:50,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:50,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:03:50,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:03:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,342 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:50,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2021-11-22 23:03:50,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:50,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:50,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:50,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 23:03:50,387 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:50,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:50,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1571764089, now seen corresponding path program 1 times [2021-11-22 23:03:50,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:50,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228479911] [2021-11-22 23:03:50,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:50,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:50,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:03:50,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:50,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228479911] [2021-11-22 23:03:50,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228479911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:50,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:50,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:03:50,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588762857] [2021-11-22 23:03:50,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:50,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:03:50,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:50,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:03:50,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:03:50,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:50,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2021-11-22 23:03:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,609 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,609 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,610 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,639 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,639 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,639 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,640 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,640 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,641 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,657 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,657 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,658 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,665 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,665 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,665 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,688 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,689 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,689 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:50,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:50,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:50,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:50,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 23:03:50,720 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:50,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:50,721 INFO L85 PathProgramCache]: Analyzing trace with hash -393157626, now seen corresponding path program 1 times [2021-11-22 23:03:50,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:50,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510681754] [2021-11-22 23:03:50,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:50,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:03:50,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:50,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510681754] [2021-11-22 23:03:50,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510681754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:50,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:50,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 23:03:50,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503654092] [2021-11-22 23:03:50,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:50,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 23:03:50,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:50,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 23:03:50,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:03:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,884 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:50,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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) [2021-11-22 23:03:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:50,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:50,994 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,995 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:50,995 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,006 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,006 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,006 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,031 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,032 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,032 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,056 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,057 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,057 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,058 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,058 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,058 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,072 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,073 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,073 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,097 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,098 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,098 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,099 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,099 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,099 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,124 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,125 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,125 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,133 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,134 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,134 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,135 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,135 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,135 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,151 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,152 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,152 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,180 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,180 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,180 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,192 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,192 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,193 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,216 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,216 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,216 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,236 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,236 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,236 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,244 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,244 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,244 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,296 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,297 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,297 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,321 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,331 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,331 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,331 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:51,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 23:03:51,399 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:51,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:51,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1123348592, now seen corresponding path program 1 times [2021-11-22 23:03:51,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:51,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231189043] [2021-11-22 23:03:51,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:51,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:03:51,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:51,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231189043] [2021-11-22 23:03:51,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231189043] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:51,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:51,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 23:03:51,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042788804] [2021-11-22 23:03:51,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:51,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 23:03:51,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:51,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 23:03:51,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 23:03:51,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,531 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:51,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.166666666666664) internal successors, (205), 6 states have internal predecessors, (205), 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) [2021-11-22 23:03:51,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:51,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:51,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,632 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,632 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,633 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,642 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,643 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,643 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:51,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:51,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 23:03:51,700 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:51,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:51,701 INFO L85 PathProgramCache]: Analyzing trace with hash -2058998915, now seen corresponding path program 1 times [2021-11-22 23:03:51,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:51,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521749630] [2021-11-22 23:03:51,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:51,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:51,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:03:51,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:51,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521749630] [2021-11-22 23:03:51,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521749630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:51,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:51,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 23:03:51,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572858094] [2021-11-22 23:03:51,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:51,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 23:03:51,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:51,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 23:03:51,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 23:03:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,878 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:51,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2021-11-22 23:03:51,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:51,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:51,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:51,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:51,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,906 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,907 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,907 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,928 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,929 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,929 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:51,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 23:03:51,948 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:51,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:51,949 INFO L85 PathProgramCache]: Analyzing trace with hash 150290857, now seen corresponding path program 1 times [2021-11-22 23:03:51,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:51,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474749596] [2021-11-22 23:03:51,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:51,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:52,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:03:52,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:52,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474749596] [2021-11-22 23:03:52,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474749596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:03:52,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 23:03:52,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 23:03:52,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893473967] [2021-11-22 23:03:52,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:03:52,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 23:03:52,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:52,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 23:03:52,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 23:03:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:52,122 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:52,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.2) internal successors, (216), 5 states have internal predecessors, (216), 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) [2021-11-22 23:03:52,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:52,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:52,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:52,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:52,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:52,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:52,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:52,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:52,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:52,156 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:52,157 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:52,157 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:52,183 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:52,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:52,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:52,201 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:52,202 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:52,202 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:52,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:03:52,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 23:03:52,229 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:52,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:52,230 INFO L85 PathProgramCache]: Analyzing trace with hash -275856397, now seen corresponding path program 1 times [2021-11-22 23:03:52,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:52,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762854251] [2021-11-22 23:03:52,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:52,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:03:52,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:52,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762854251] [2021-11-22 23:03:52,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762854251] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:52,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117000575] [2021-11-22 23:03:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:52,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:52,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:52,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:52,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 23:03:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:52,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:03:52,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:53,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:03:53,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:03:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:03:53,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117000575] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:03:53,817 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:03:53,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2021-11-22 23:03:53,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116560886] [2021-11-22 23:03:53,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:03:53,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-22 23:03:53,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:53,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-22 23:03:53,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2021-11-22 23:03:53,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:53,820 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:53,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.052631578947368) internal successors, (267), 19 states have internal predecessors, (267), 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) [2021-11-22 23:03:53,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:53,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:53,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:03:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:54,100 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,100 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,101 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,127 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,128 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,128 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,138 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,139 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,139 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,149 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,158 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,158 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,158 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,165 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,165 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,165 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,172 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,173 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,173 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:03:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:54,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-22 23:03:54,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-22 23:03:54,599 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:54,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:54,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1075038901, now seen corresponding path program 2 times [2021-11-22 23:03:54,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:54,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545381583] [2021-11-22 23:03:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:54,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:03:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:03:54,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:03:54,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545381583] [2021-11-22 23:03:54,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545381583] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:03:54,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522836079] [2021-11-22 23:03:54,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 23:03:54,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:54,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:03:54,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:03:54,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 23:03:55,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 23:03:55,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:03:55,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:03:55,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:03:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:03:55,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:03:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:03:56,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522836079] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:03:56,097 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:03:56,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2021-11-22 23:03:56,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603321216] [2021-11-22 23:03:56,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:03:56,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-22 23:03:56,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:03:56,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-22 23:03:56,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-11-22 23:03:56,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:56,101 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:03:56,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 15.705882352941176) internal successors, (267), 17 states have internal predecessors, (267), 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) [2021-11-22 23:03:56,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:56,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:56,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:56,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:56,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:56,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:03:56,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:56,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:56,384 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,384 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,385 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,436 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,436 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,476 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,476 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,477 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,485 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,485 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,485 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,499 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,499 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,499 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:03:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:03:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:03:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:03:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:03:56,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:03:56,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:03:56,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:03:56,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 23:03:56,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:03:56,858 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:03:56,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:03:56,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1220794459, now seen corresponding path program 3 times [2021-11-22 23:03:56,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:03:56,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138906808] [2021-11-22 23:03:56,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:03:56,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:03:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:04:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:04:02,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:04:02,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138906808] [2021-11-22 23:04:02,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138906808] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:04:02,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615368105] [2021-11-22 23:04:02,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 23:04:02,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:04:02,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:04:02,066 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:04:02,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 23:04:02,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-22 23:04:02,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:04:02,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-22 23:04:02,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:04:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:04:10,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:04:33,602 INFO L354 Elim1Store]: treesize reduction 97, result has 81.5 percent of original size [2021-11-22 23:04:33,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 128 treesize of output 453 [2021-11-22 23:04:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:04:42,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615368105] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:04:42,121 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:04:42,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 26, 21] total 90 [2021-11-22 23:04:42,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937787380] [2021-11-22 23:04:42,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:04:42,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2021-11-22 23:04:42,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:04:42,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-11-22 23:04:42,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=790, Invalid=7207, Unknown=13, NotChecked=0, Total=8010 [2021-11-22 23:04:42,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:42,129 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:04:42,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.611111111111111) internal successors, (595), 90 states have internal predecessors, (595), 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) [2021-11-22 23:04:42,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:42,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:04:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:04:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:04:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:04:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:04:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:04:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:04:42,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:04:42,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:04:50,099 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:04:50,099 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:04:50,099 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:04:52,217 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:04:52,218 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:04:52,218 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:04:54,479 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:04:54,479 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:04:54,479 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:01,544 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:01,544 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:01,545 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:01,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-11-22 23:05:01,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 23:05:01,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:05:01,954 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:05:01,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:05:01,955 INFO L85 PathProgramCache]: Analyzing trace with hash 944421313, now seen corresponding path program 4 times [2021-11-22 23:05:01,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:05:01,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399697306] [2021-11-22 23:05:01,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:05:01,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:05:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:05:02,153 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:05:02,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:05:02,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399697306] [2021-11-22 23:05:02,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399697306] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:05:02,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547378208] [2021-11-22 23:05:02,154 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-22 23:05:02,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:05:02,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:05:02,155 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:05:02,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 23:05:02,275 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-22 23:05:02,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:05:02,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:05:02,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:05:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:05:02,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:05:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:05:03,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547378208] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:05:03,634 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:05:03,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2021-11-22 23:05:03,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875333427] [2021-11-22 23:05:03,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:05:03,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-22 23:05:03,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:05:03,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-22 23:05:03,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2021-11-22 23:05:03,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:03,637 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:05:03,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.428571428571429) internal successors, (320), 28 states have internal predecessors, (320), 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) [2021-11-22 23:05:03,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:03,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:03,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:03,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:03,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:03,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2021-11-22 23:05:03,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:04,147 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,147 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,147 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,205 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,206 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,206 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,264 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,264 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,265 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,272 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,272 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,273 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,284 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,285 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,285 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,296 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,297 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,297 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,308 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,308 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,309 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,318 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,323 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,331 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,332 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:04,332 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:07,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:07,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:07,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:07,334 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:07,334 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:07,334 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:08,205 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:08,205 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:08,206 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,231 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,231 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,232 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,318 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,318 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,319 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,325 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,326 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,326 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,332 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,333 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:09,333 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:12,058 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:12,058 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:12,059 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:13,972 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:13,973 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:13,973 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,765 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,766 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,766 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,775 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,775 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,775 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,797 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,797 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,798 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,803 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,803 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,804 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,816 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,816 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:15,816 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,296 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,296 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,296 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,304 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,305 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,305 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,311 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,311 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,311 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,318 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:18,318 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:19,792 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:19,793 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:19,793 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-11-22 23:05:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-22 23:05:19,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 23:05:20,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-22 23:05:20,038 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:05:20,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:05:20,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1931445529, now seen corresponding path program 5 times [2021-11-22 23:05:20,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:05:20,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568111615] [2021-11-22 23:05:20,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:05:20,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:05:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:05:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:05:20,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:05:20,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568111615] [2021-11-22 23:05:20,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568111615] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:05:20,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799092422] [2021-11-22 23:05:20,205 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-22 23:05:20,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:05:20,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:05:20,207 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:05:20,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 23:05:20,556 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-22 23:05:20,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:05:20,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:05:20,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:05:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-22 23:05:21,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:05:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:05:21,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799092422] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:05:21,694 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:05:21,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 8 [2021-11-22 23:05:21,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115936527] [2021-11-22 23:05:21,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:05:21,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 23:05:21,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:05:21,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 23:05:21,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-22 23:05:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:21,697 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:05:21,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 44.5) internal successors, (356), 8 states have internal predecessors, (356), 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) [2021-11-22 23:05:21,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:21,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:21,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:21,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:21,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:21,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:21,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:21,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:21,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:21,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:21,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:21,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-11-22 23:05:21,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-22 23:05:21,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:21,752 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:21,752 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:21,752 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:21,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:21,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2021-11-22 23:05:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-22 23:05:21,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:05:21,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 23:05:21,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-22 23:05:21,994 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:05:21,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:05:21,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1613051615, now seen corresponding path program 6 times [2021-11-22 23:05:21,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:05:21,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153317961] [2021-11-22 23:05:21,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:05:21,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:05:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:05:22,151 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:05:22,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:05:22,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153317961] [2021-11-22 23:05:22,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153317961] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:05:22,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586402923] [2021-11-22 23:05:22,152 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-22 23:05:22,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:05:22,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:05:22,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:05:22,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-22 23:05:22,312 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-11-22 23:05:22,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:05:22,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:05:22,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:05:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-22 23:05:22,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 23:05:22,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586402923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 23:05:22,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 23:05:22,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-11-22 23:05:22,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510686167] [2021-11-22 23:05:22,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 23:05:22,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 23:05:22,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:05:22,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 23:05:22,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 23:05:22,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:22,698 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:05:22,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 23:05:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:22,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2021-11-22 23:05:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-22 23:05:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:05:22,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:22,769 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:22,770 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:22,770 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:22,794 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:22,794 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:22,794 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:22,823 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:22,823 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:22,824 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:22,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:22,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:22,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-11-22 23:05:22,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-22 23:05:22,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:05:22,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:05:22,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-22 23:05:23,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-22 23:05:23,054 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:05:23,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:05:23,055 INFO L85 PathProgramCache]: Analyzing trace with hash -2080297790, now seen corresponding path program 7 times [2021-11-22 23:05:23,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:05:23,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307900001] [2021-11-22 23:05:23,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:05:23,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:05:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:05:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 31 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:05:23,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:05:23,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307900001] [2021-11-22 23:05:23,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307900001] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:05:23,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383042102] [2021-11-22 23:05:23,279 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-22 23:05:23,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:05:23,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:05:23,282 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:05:23,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-22 23:05:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:05:23,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:05:23,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:05:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-22 23:05:23,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:05:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-22 23:05:24,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383042102] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:05:24,514 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:05:24,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 28 [2021-11-22 23:05:24,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132562125] [2021-11-22 23:05:24,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:05:24,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-22 23:05:24,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:05:24,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-22 23:05:24,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=663, Unknown=0, NotChecked=0, Total=756 [2021-11-22 23:05:24,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:24,519 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:05:24,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 16.285714285714285) internal successors, (456), 28 states have internal predecessors, (456), 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) [2021-11-22 23:05:24,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:24,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:24,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:24,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:24,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:24,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:24,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:24,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:24,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:24,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:24,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:24,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2021-11-22 23:05:24,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-22 23:05:24,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:05:24,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:05:24,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:25,481 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,481 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,481 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,532 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,532 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,532 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,589 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,589 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,589 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,676 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,676 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,676 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,693 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,693 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,693 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,704 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,704 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,704 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,709 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,709 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,710 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,714 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,715 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,715 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,722 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,723 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,723 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,737 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,737 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,738 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,880 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,880 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,881 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,885 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,885 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,885 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,933 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,934 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:25,934 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,045 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,045 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,045 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,052 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,052 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,053 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,075 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,076 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,076 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,100 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,101 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,101 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,113 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,114 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,114 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,121 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,122 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,122 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,129 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,130 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,130 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,135 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,136 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,136 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,143 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem2#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,144 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,144 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short3#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,429 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,429 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,463 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,463 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,464 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,475 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,476 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,476 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,519 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,519 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,520 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:26,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:26,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:26,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:26,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:26,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-11-22 23:05:26,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-22 23:05:26,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:05:26,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:05:26,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-11-22 23:05:26,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-22 23:05:26,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:05:26,774 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:05:26,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:05:26,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1729045753, now seen corresponding path program 8 times [2021-11-22 23:05:26,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:05:26,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255509254] [2021-11-22 23:05:26,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:05:26,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:05:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:05:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:05:27,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:05:27,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255509254] [2021-11-22 23:05:27,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255509254] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:05:27,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848405587] [2021-11-22 23:05:27,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 23:05:27,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:05:27,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:05:27,094 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:05:27,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-22 23:05:27,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 23:05:27,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:05:27,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 23:05:27,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:05:28,265 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:05:28,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:05:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:05:30,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848405587] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 23:05:30,036 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 23:05:30,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 34 [2021-11-22 23:05:30,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255548264] [2021-11-22 23:05:30,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 23:05:30,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-22 23:05:30,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 23:05:30,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-22 23:05:30,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=930, Unknown=0, NotChecked=0, Total=1122 [2021-11-22 23:05:30,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:30,039 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-22 23:05:30,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 15.735294117647058) internal successors, (535), 34 states have internal predecessors, (535), 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) [2021-11-22 23:05:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:30,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2021-11-22 23:05:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-22 23:05:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:05:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:05:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-11-22 23:05:30,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:30,715 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:30,715 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:30,715 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:30,809 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:30,810 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:30,810 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:30,862 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:30,862 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short14#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:30,863 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem13#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:31,017 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:31,017 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:31,018 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:31,036 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem21#1_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:31,036 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:31,036 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short22#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 23:05:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 23:05:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:31,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 23:05:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-11-22 23:05:31,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-22 23:05:31,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-22 23:05:31,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-22 23:05:31,270 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-22 23:05:31,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:05:31,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1673389651, now seen corresponding path program 9 times [2021-11-22 23:05:31,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 23:05:31,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695865856] [2021-11-22 23:05:31,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 23:05:31,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:05:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:05:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:05:38,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 23:05:38,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695865856] [2021-11-22 23:05:38,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695865856] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 23:05:38,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807937282] [2021-11-22 23:05:38,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 23:05:38,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 23:05:38,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 [2021-11-22 23:05:38,122 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 23:05:38,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50124a99-d8bc-4578-b81b-7fac2d9df03f/bin/ugemcutter-lIJgRBJBxA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-22 23:05:38,490 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-22 23:05:38,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 23:05:38,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-22 23:05:38,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:05:42,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-22 23:05:43,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-22 23:05:43,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-22 23:05:43,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-22 23:05:49,358 INFO L354 Elim1Store]: treesize reduction 468, result has 32.1 percent of original size [2021-11-22 23:05:49,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 203 treesize of output 288 [2021-11-22 23:05:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:05:49,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 23:12:13,515 WARN L227 SmtUtils]: Spent 18.49s on a formula simplification. DAG size of input: 541 DAG size of output: 477 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-22 23:12:13,517 INFO L354 Elim1Store]: treesize reduction 388, result has 83.0 percent of original size [2021-11-22 23:12:13,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 77297338 treesize of output 74431134