./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw --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 e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:19:12,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:19:12,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:19:12,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:19:12,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:19:12,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:19:12,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:19:12,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:19:12,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:19:12,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:19:12,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:19:12,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:19:12,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:19:12,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:19:12,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:19:12,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:19:12,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:19:12,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:19:12,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:19:12,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:19:12,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:19:12,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:19:12,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:19:12,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:19:12,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:19:12,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:19:12,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:19:12,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:19:12,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:19:12,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:19:12,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:19:12,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:19:12,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:19:12,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:19:12,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:19:12,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:19:12,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:19:12,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:19:12,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:19:12,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:19:12,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:19:12,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:19:12,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:19:12,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:19:12,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:19:12,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:19:12,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:19:12,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:19:12,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:19:12,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:19:12,908 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:19:12,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:19:12,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:19:12,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:19:12,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:19:12,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:19:12,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:19:12,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:19:12,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:19:12,910 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:19:12,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:19:12,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:19:12,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:19:12,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:19:12,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:19:12,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:19:12,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:19:12,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:19:12,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:19:12,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:19:12,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:19:12,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:19:12,913 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:19:12,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:19:12,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:19:12,914 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:19:12,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:19:12,914 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:19:12,915 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:19:12,915 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_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 [2021-11-23 14:19:13,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:19:13,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:19:13,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:19:13,206 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:19:13,206 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:19:13,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2021-11-23 14:19:13,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/data/691588478/6389fd6888fc4e62adf7ff5411b77464/FLAG590ebfd1e [2021-11-23 14:19:13,803 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:19:13,805 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2021-11-23 14:19:13,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/data/691588478/6389fd6888fc4e62adf7ff5411b77464/FLAG590ebfd1e [2021-11-23 14:19:14,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/data/691588478/6389fd6888fc4e62adf7ff5411b77464 [2021-11-23 14:19:14,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:19:14,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:19:14,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:14,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:19:14,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:19:14,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705af9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14, skipping insertion in model container [2021-11-23 14:19:14,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:19:14,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:19:14,422 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_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2021-11-23 14:19:14,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:19:14,438 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:19:14,468 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_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2021-11-23 14:19:14,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:19:14,494 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:19:14,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14 WrapperNode [2021-11-23 14:19:14,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:14,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:19:14,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:19:14,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:19:14,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,555 INFO L137 Inliner]: procedures = 25, calls = 61, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 315 [2021-11-23 14:19:14,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:19:14,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:19:14,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:19:14,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:19:14,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:19:14,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:19:14,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:19:14,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:19:14,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (1/1) ... [2021-11-23 14:19:14,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:19:14,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:14,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:19:14,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:19:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:19:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:19:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:19:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:19:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 14:19:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 14:19:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 14:19:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 14:19:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 14:19:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 14:19:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:19:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 14:19:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 14:19:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 14:19:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:19:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:19:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:19:14,697 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 14:19:14,825 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:19:14,827 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:19:15,363 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:19:15,488 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:19:15,489 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 14:19:15,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:15 BoogieIcfgContainer [2021-11-23 14:19:15,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:19:15,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:19:15,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:19:15,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:19:15,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:19:14" (1/3) ... [2021-11-23 14:19:15,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a1a87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:15, skipping insertion in model container [2021-11-23 14:19:15,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:14" (2/3) ... [2021-11-23 14:19:15,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a1a87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:15, skipping insertion in model container [2021-11-23 14:19:15,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:15" (3/3) ... [2021-11-23 14:19:15,503 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring.wvr.c [2021-11-23 14:19:15,515 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:19:15,515 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:19:15,515 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 14:19:15,515 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:19:15,587 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,588 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,588 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,588 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,589 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,589 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,589 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,589 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,590 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,590 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,590 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,598 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,598 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,598 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,627 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,627 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,630 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,636 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,638 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,638 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,639 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,639 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,640 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,653 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,653 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,654 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,654 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,654 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,654 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,654 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,655 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,655 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,655 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,655 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,655 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,655 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,656 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,656 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,656 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,656 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,656 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,656 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,657 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,657 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,657 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,657 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,657 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,657 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,658 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,658 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,658 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,658 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,658 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,659 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,659 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,660 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,661 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,668 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,671 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,671 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,672 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,673 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,673 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,673 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,674 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,677 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,677 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,682 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-23 14:19:15,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:19:15,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:15,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:19:15,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:19:15,802 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-23 14:19:15,809 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 [2021-11-23 14:19:15,809 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-23 14:19:15,972 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,973 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:15,973 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,051 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,051 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,051 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,089 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,089 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,089 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,141 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:16,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:16,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1780687550, now seen corresponding path program 1 times [2021-11-23 14:19:16,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:16,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042569979] [2021-11-23 14:19:16,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:16,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:19:16,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:16,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042569979] [2021-11-23 14:19:16,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042569979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:16,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:16,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:19:16,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680934498] [2021-11-23 14:19:16,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:16,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:19:16,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:16,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:19:16,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:19:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:16,450 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:16,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 99.5) internal successors, (199), 2 states have internal predecessors, (199), 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) [2021-11-23 14:19:16,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:16,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,525 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,526 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,526 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:16,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:19:16,550 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:16,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:16,551 INFO L85 PathProgramCache]: Analyzing trace with hash -531301805, now seen corresponding path program 1 times [2021-11-23 14:19:16,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:16,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986278611] [2021-11-23 14:19:16,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:16,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:16,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:19:16,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:16,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986278611] [2021-11-23 14:19:16,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986278611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:16,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:16,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 14:19:16,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368735452] [2021-11-23 14:19:16,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:16,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 14:19:16,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:16,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 14:19:16,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:19:16,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:16,966 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:16,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 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) [2021-11-23 14:19:16,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:16,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:17,119 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,119 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,119 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,140 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,143 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,143 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,154 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,155 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,155 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,167 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,167 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,168 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,188 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,189 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,189 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,202 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,203 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,204 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,212 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,212 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,213 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,254 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,254 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,255 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,262 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,263 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,263 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,277 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,277 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,278 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,284 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,284 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,284 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,290 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,290 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,291 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:17,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:17,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:19:17,441 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:17,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:17,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1984336671, now seen corresponding path program 1 times [2021-11-23 14:19:17,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:17,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127494275] [2021-11-23 14:19:17,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:17,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:17,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:19:17,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:17,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127494275] [2021-11-23 14:19:17,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127494275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:17,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:17,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:19:17,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153221974] [2021-11-23 14:19:17,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:17,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:19:17,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:17,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:19:17,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:19:17,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:17,772 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:17,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 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) [2021-11-23 14:19:17,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:17,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:17,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:17,888 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,888 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,889 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,901 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,901 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,902 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,932 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,932 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,932 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:18,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 14:19:18,001 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:18,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:18,003 INFO L85 PathProgramCache]: Analyzing trace with hash 911343057, now seen corresponding path program 1 times [2021-11-23 14:19:18,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:18,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124135420] [2021-11-23 14:19:18,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:18,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:18,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:19:18,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:18,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124135420] [2021-11-23 14:19:18,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124135420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:18,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:18,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:19:18,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978444990] [2021-11-23 14:19:18,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:18,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:19:18,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:18,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:19:18,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:19:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,302 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:18,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2021-11-23 14:19:18,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:18,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:18,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,342 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,342 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,342 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:18,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:18,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:18,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 14:19:18,385 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:18,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:18,388 INFO L85 PathProgramCache]: Analyzing trace with hash 813676611, now seen corresponding path program 2 times [2021-11-23 14:19:18,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:18,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559113911] [2021-11-23 14:19:18,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:18,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:18,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:19:18,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:18,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559113911] [2021-11-23 14:19:18,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559113911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:18,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:18,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 14:19:18,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963688180] [2021-11-23 14:19:18,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:18,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 14:19:18,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:18,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 14:19:18,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:19:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,584 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:18,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.5) internal successors, (213), 6 states have internal predecessors, (213), 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) [2021-11-23 14:19:18,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:18,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:18,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:18,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,713 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,713 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,713 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,719 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,719 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,720 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,726 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,726 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,726 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:18,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:18,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:18,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:18,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:18,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 14:19:18,940 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:18,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:18,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1962643147, now seen corresponding path program 1 times [2021-11-23 14:19:18,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:18,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881810255] [2021-11-23 14:19:18,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:18,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 14:19:19,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:19,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881810255] [2021-11-23 14:19:19,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881810255] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:19,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:19,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 14:19:19,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292377036] [2021-11-23 14:19:19,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:19,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 14:19:19,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:19,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 14:19:19,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:19:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:19,092 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:19,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 6 states have internal predecessors, (220), 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) [2021-11-23 14:19:19,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:19,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:19,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:19,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:19,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:19,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:19,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:19,185 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:19,185 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:19,383 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:19,383 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:19,383 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:19,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 14:19:19,405 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:19,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:19,406 INFO L85 PathProgramCache]: Analyzing trace with hash 862878973, now seen corresponding path program 1 times [2021-11-23 14:19:19,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:19,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613303498] [2021-11-23 14:19:19,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:19,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:19,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 14:19:19,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:19,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613303498] [2021-11-23 14:19:19,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613303498] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:19,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022742849] [2021-11-23 14:19:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:19,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:19,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:19,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:19,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 14:19:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:19,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 14:19:19,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 14:19:20,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:20,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2021-11-23 14:19:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 14:19:21,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022742849] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:21,916 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:21,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 23 [2021-11-23 14:19:21,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887884487] [2021-11-23 14:19:21,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:21,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-23 14:19:21,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:21,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-23 14:19:21,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2021-11-23 14:19:21,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:21,920 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:21,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 16.52173913043478) internal successors, (380), 23 states have internal predecessors, (380), 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) [2021-11-23 14:19:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:22,316 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,325 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,402 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,402 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,403 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,409 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,409 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,410 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,426 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,426 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,426 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,474 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,474 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,475 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,483 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,484 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,484 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,502 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,502 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,502 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,522 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,523 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,523 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,534 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,535 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,535 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:22,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:22,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:22,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:23,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-23 14:19:23,005 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:23,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:23,005 INFO L85 PathProgramCache]: Analyzing trace with hash 484748939, now seen corresponding path program 2 times [2021-11-23 14:19:23,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:23,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522810501] [2021-11-23 14:19:23,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:23,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:23,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 14:19:23,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:23,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522810501] [2021-11-23 14:19:23,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522810501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:23,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:23,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:19:23,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966586475] [2021-11-23 14:19:23,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:23,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:19:23,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:23,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:19:23,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:19:23,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:23,157 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:23,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.4) internal successors, (227), 5 states have internal predecessors, (227), 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) [2021-11-23 14:19:23,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:23,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:23,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:23,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:23,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:23,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:23,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:23,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:23,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:23,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:23,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 14:19:23,275 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:23,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:23,276 INFO L85 PathProgramCache]: Analyzing trace with hash 25543129, now seen corresponding path program 1 times [2021-11-23 14:19:23,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:23,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855734711] [2021-11-23 14:19:23,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:23,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 14:19:23,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:23,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855734711] [2021-11-23 14:19:23,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855734711] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:23,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528948300] [2021-11-23 14:19:23,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:23,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:23,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:23,433 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:23,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 14:19:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:23,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:19:23,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 14:19:24,003 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:19:24,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528948300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:24,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:19:24,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-11-23 14:19:24,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850293671] [2021-11-23 14:19:24,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:24,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 14:19:24,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:24,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 14:19:24,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:19:24,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:24,006 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:24,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:24,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:24,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:24,055 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,055 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,055 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:24,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:24,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:24,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:24,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:24,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:24,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:24,297 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:24,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:24,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1616675303, now seen corresponding path program 2 times [2021-11-23 14:19:24,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:24,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707429701] [2021-11-23 14:19:24,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:24,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 14:19:24,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:24,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707429701] [2021-11-23 14:19:24,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707429701] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:24,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318862356] [2021-11-23 14:19:24,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:19:24,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:24,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:24,595 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:24,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 14:19:24,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:19:24,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:24,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 14:19:24,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 14:19:25,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 14:19:26,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318862356] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:26,321 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:26,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2021-11-23 14:19:26,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632021063] [2021-11-23 14:19:26,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:26,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-23 14:19:26,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:26,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-23 14:19:26,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=480, Unknown=0, NotChecked=0, Total=600 [2021-11-23 14:19:26,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:26,324 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:26,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.4) internal successors, (385), 25 states have internal predecessors, (385), 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) [2021-11-23 14:19:26,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:26,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:26,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:26,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:26,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:26,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:26,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:26,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:26,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:26,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:26,755 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,755 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,755 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,766 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,766 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,766 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,777 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,778 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,778 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,843 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,895 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,895 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,896 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,913 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,913 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,914 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,923 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,924 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,924 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,968 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,969 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,969 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,976 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,976 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,976 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,983 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,983 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,984 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:26,999 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,000 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,000 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,040 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,040 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,041 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,047 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,047 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,047 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,053 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,054 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,054 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:19:27,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:27,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:27,305 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:27,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:27,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1148541063, now seen corresponding path program 3 times [2021-11-23 14:19:27,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:27,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883910433] [2021-11-23 14:19:27,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:27,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 14:19:28,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:28,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883910433] [2021-11-23 14:19:28,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883910433] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:28,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912659819] [2021-11-23 14:19:28,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 14:19:28,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:28,209 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:28,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 14:19:28,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 14:19:28,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:28,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 14:19:28,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:29,288 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-23 14:19:29,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-23 14:19:29,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 14:19:29,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:19:29,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912659819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:29,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:19:29,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [22] total 32 [2021-11-23 14:19:29,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940065176] [2021-11-23 14:19:29,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:29,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 14:19:29,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:29,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 14:19:29,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=917, Unknown=0, NotChecked=0, Total=992 [2021-11-23 14:19:29,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:29,675 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:29,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.916666666666668) internal successors, (227), 12 states have internal predecessors, (227), 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) [2021-11-23 14:19:29,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:29,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:29,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:29,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:29,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:29,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:29,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:29,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:29,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:29,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:19:29,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:30,159 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,159 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,160 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,222 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,222 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,223 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,231 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,231 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,232 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,272 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,273 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,273 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,281 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,281 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,282 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,288 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,288 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,288 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,294 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,294 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,295 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,300 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,300 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,301 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,323 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,324 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,330 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,330 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,330 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,336 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,336 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,337 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:30,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:19:30,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:30,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:30,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-23 14:19:30,621 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:30,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:30,621 INFO L85 PathProgramCache]: Analyzing trace with hash 539151943, now seen corresponding path program 4 times [2021-11-23 14:19:30,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:30,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465237277] [2021-11-23 14:19:30,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:30,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 14:19:30,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:30,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465237277] [2021-11-23 14:19:30,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465237277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:30,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:30,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-23 14:19:30,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135797756] [2021-11-23 14:19:30,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:30,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 14:19:30,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:30,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 14:19:30,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-23 14:19:30,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:30,922 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:30,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.46153846153846) internal successors, (227), 13 states have internal predecessors, (227), 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) [2021-11-23 14:19:30,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:30,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:30,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:30,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:30,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:30,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:30,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:30,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:30,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:30,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:19:30,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:30,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:31,275 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:31,276 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:31,276 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:31,543 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:31,544 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:31,544 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:31,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:31,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:31,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 14:19:31,596 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:31,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:31,596 INFO L85 PathProgramCache]: Analyzing trace with hash -607682579, now seen corresponding path program 3 times [2021-11-23 14:19:31,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:31,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169017072] [2021-11-23 14:19:31,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:31,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 14:19:31,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:31,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169017072] [2021-11-23 14:19:31,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169017072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:31,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:31,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 14:19:31,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737914462] [2021-11-23 14:19:31,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:31,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 14:19:31,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:31,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 14:19:31,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-23 14:19:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:31,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:31,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.77777777777778) internal successors, (232), 9 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:31,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:31,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:31,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:31,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:31,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:31,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:31,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:31,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:31,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:31,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:31,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:31,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:31,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:31,904 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:31,904 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:31,905 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:31,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:31,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:31,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:31,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:31,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:31,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:31,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 14:19:31,958 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:31,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:31,959 INFO L85 PathProgramCache]: Analyzing trace with hash 603668647, now seen corresponding path program 1 times [2021-11-23 14:19:31,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:31,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920637605] [2021-11-23 14:19:31,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:31,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 14:19:32,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:32,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920637605] [2021-11-23 14:19:32,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920637605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:32,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:32,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 14:19:32,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486505152] [2021-11-23 14:19:32,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:32,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 14:19:32,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:32,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 14:19:32,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 14:19:32,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:32,088 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:32,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 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) [2021-11-23 14:19:32,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:32,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:32,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:32,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:32,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:32,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:32,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:32,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:32,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:32,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:32,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:32,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:32,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:32,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:32,139 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:32,140 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:32,140 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:32,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:32,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:32,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:32,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:32,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:32,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:32,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 14:19:32,164 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:32,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:32,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1494109415, now seen corresponding path program 2 times [2021-11-23 14:19:32,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:32,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125028366] [2021-11-23 14:19:32,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:32,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:32,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:19:32,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:32,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125028366] [2021-11-23 14:19:32,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125028366] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:32,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338007906] [2021-11-23 14:19:32,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:19:32,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:32,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:32,361 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:32,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 14:19:32,600 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:19:32,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:32,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 14:19:32,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:19:33,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:19:34,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338007906] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:34,308 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:34,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 23 [2021-11-23 14:19:34,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982120566] [2021-11-23 14:19:34,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:34,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-23 14:19:34,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:34,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-23 14:19:34,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2021-11-23 14:19:34,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:34,312 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:34,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 17.304347826086957) internal successors, (398), 23 states have internal predecessors, (398), 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) [2021-11-23 14:19:34,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:34,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:34,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:34,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:34,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:34,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:34,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:34,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:34,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:34,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:34,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:34,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:34,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:34,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:34,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:34,668 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,668 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,668 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,730 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,730 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,747 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,748 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,748 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,757 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,757 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,758 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,773 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,774 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,774 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,808 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,808 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,809 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,892 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,892 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,893 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,902 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,903 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,903 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,908 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,909 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,909 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,915 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,916 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,916 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,922 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,923 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,923 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,952 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,953 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,953 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,959 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,959 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,960 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,978 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,978 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,978 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,986 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,987 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:34,987 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:19:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:19:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:19:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:19:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:35,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 14:19:35,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:35,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-23 14:19:35,261 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:19:35,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:35,261 INFO L85 PathProgramCache]: Analyzing trace with hash -117593989, now seen corresponding path program 4 times [2021-11-23 14:19:35,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:35,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306510184] [2021-11-23 14:19:35,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:35,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 14:19:36,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:36,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306510184] [2021-11-23 14:19:36,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306510184] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:36,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643096922] [2021-11-23 14:19:36,448 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 14:19:36,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:36,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:36,453 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:36,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 14:19:36,602 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 14:19:36,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:36,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-23 14:19:36,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:39,561 INFO L354 Elim1Store]: treesize reduction 133, result has 34.8 percent of original size [2021-11-23 14:19:39,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 105 [2021-11-23 14:19:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:19:58,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:59,456 INFO L354 Elim1Store]: treesize reduction 40, result has 77.7 percent of original size [2021-11-23 14:19:59,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 126 treesize of output 224 [2021-11-23 14:20:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:20:04,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643096922] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:04,635 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:20:04,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 32, 33] total 86 [2021-11-23 14:20:04,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315134107] [2021-11-23 14:20:04,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:04,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2021-11-23 14:20:04,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:04,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-11-23 14:20:04,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=451, Invalid=6859, Unknown=0, NotChecked=0, Total=7310 [2021-11-23 14:20:04,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:04,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:04,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 7.1976744186046515) internal successors, (619), 86 states have internal predecessors, (619), 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) [2021-11-23 14:20:04,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:04,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:04,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:20:04,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:04,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:04,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:20:04,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:20:04,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:04,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:20:04,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:20:04,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:20:04,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:20:04,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:04,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:20:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-23 14:20:04,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:10,011 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,011 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,012 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,236 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,237 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,237 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,826 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,826 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,827 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,834 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,835 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,835 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,850 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,850 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,851 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,856 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,856 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,857 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,862 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,862 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,863 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,869 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,869 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:10,869 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:11,708 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:11,708 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:11,708 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:11,714 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:11,714 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:11,715 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:20:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:20:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:20:11,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:20:11,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:20:11,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:20:11,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:20:11,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:20:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:20:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:20:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-23 14:20:11,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:12,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-23 14:20:12,169 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:20:12,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:12,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1639738945, now seen corresponding path program 3 times [2021-11-23 14:20:12,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:12,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591094308] [2021-11-23 14:20:12,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:12,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 14:20:14,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:14,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591094308] [2021-11-23 14:20:14,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591094308] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:14,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865754633] [2021-11-23 14:20:14,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 14:20:14,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:14,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:14,919 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:14,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 14:20:15,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-23 14:20:15,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:20:15,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-23 14:20:15,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:26,034 INFO L354 Elim1Store]: treesize reduction 9, result has 85.2 percent of original size [2021-11-23 14:20:26,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 86 [2021-11-23 14:20:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:26,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:28,712 INFO L354 Elim1Store]: treesize reduction 20, result has 92.8 percent of original size [2021-11-23 14:20:28,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 98 treesize of output 290 [2021-11-23 14:21:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 14:21:10,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865754633] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:10,532 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:10,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 43, 19] total 96 [2021-11-23 14:21:10,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229368917] [2021-11-23 14:21:10,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:10,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2021-11-23 14:21:10,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:10,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2021-11-23 14:21:10,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=539, Invalid=8581, Unknown=0, NotChecked=0, Total=9120 [2021-11-23 14:21:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:10,540 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:10,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 6.291666666666667) internal successors, (604), 96 states have internal predecessors, (604), 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) [2021-11-23 14:21:10,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:10,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:10,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:21:10,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:10,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:10,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:21:10,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:21:10,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:21:10,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:21:10,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:21:10,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:21:10,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:21:10,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:10,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:21:10,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:21:10,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-11-23 14:21:10,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:18,344 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:18,344 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:18,344 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:20,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:20,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:20,151 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:24,345 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:24,346 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:24,346 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:24,915 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:24,915 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:24,917 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:24,925 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:24,926 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:24,926 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:24,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:21:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:24,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:21:24,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:21:24,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-23 14:21:24,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-11-23 14:21:24,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-23 14:21:25,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-23 14:21:25,172 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:21:25,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:25,172 INFO L85 PathProgramCache]: Analyzing trace with hash -373350119, now seen corresponding path program 4 times [2021-11-23 14:21:25,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:25,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626396903] [2021-11-23 14:21:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:25,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 14:21:25,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:25,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626396903] [2021-11-23 14:21:25,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626396903] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:25,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44372298] [2021-11-23 14:21:25,425 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 14:21:25,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:25,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:25,428 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:25,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-23 14:21:25,570 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 14:21:25,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:21:25,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 14:21:25,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 14:21:26,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:21:26,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2021-11-23 14:21:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 14:21:27,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44372298] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:27,570 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:27,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 34 [2021-11-23 14:21:27,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144317762] [2021-11-23 14:21:27,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:27,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-23 14:21:27,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:27,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-23 14:21:27,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=924, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 14:21:27,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:27,573 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:27,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 13.205882352941176) internal successors, (449), 34 states have internal predecessors, (449), 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) [2021-11-23 14:21:27,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:27,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:27,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:21:27,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:27,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:27,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:21:27,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:21:27,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:21:27,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:21:27,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:21:27,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:21:27,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:21:27,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:27,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:21:27,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:21:27,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-11-23 14:21:27,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-11-23 14:21:27,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:28,219 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,219 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,219 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,275 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,276 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,276 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,282 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,282 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,283 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,320 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,321 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,321 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,326 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,326 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,327 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,338 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,339 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:28,339 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:30,893 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:30,893 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:30,894 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:30,898 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:30,898 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:30,898 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,004 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,004 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,005 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,116 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,116 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,116 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,122 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,122 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,123 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,135 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,135 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,135 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,151 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,151 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,151 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,157 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,158 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,158 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,164 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,165 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,165 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,170 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,171 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:31,171 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,205 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,205 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,206 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,340 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,341 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,341 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,347 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,347 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,347 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,380 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,381 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,381 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,852 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,852 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,852 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,857 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,857 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:33,858 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,032 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,037 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,038 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,038 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,050 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,050 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,050 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,062 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,062 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,062 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,067 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,067 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,067 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,072 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,072 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,072 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,077 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,078 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:34,078 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,509 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,509 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,509 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,515 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,664 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,664 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,664 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,669 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,669 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,670 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,776 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,776 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,777 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,855 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,855 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,855 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,913 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,913 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,913 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,965 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,966 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,966 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,971 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,971 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,971 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,978 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,978 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,979 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,984 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,984 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,985 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,989 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,989 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,989 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,994 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,994 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:37,994 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,403 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,404 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,404 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,410 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,415 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,415 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,420 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,420 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,421 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,529 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,529 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,530 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,545 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,546 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,546 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:38,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:38,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:21:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:21:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:21:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:21:38,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:21:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:21:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:21:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:21:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:21:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:21:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-11-23 14:21:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2021-11-23 14:21:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-23 14:21:38,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-23 14:21:38,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-23 14:21:38,793 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:21:38,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:38,793 INFO L85 PathProgramCache]: Analyzing trace with hash 665277471, now seen corresponding path program 5 times [2021-11-23 14:21:38,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:38,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611370952] [2021-11-23 14:21:38,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:38,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 14:21:40,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:40,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611370952] [2021-11-23 14:21:40,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611370952] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:40,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164540851] [2021-11-23 14:21:40,552 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-23 14:21:40,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:40,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:40,553 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:40,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-23 14:21:40,782 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-23 14:21:40,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:21:40,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-23 14:21:40,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:40,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-23 14:21:41,171 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 14:21:41,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-23 14:21:42,209 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-23 14:21:42,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2021-11-23 14:21:44,861 INFO L354 Elim1Store]: treesize reduction 129, result has 36.8 percent of original size [2021-11-23 14:21:44,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 102 [2021-11-23 14:22:13,567 INFO L354 Elim1Store]: treesize reduction 49, result has 60.2 percent of original size [2021-11-23 14:22:13,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 108 [2021-11-23 14:22:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 14:22:13,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:19,672 INFO L354 Elim1Store]: treesize reduction 58, result has 85.2 percent of original size [2021-11-23 14:22:19,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 344 treesize of output 587 [2021-11-23 14:30:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 14:30:54,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164540851] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:30:54,961 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:30:54,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 42, 42] total 112 [2021-11-23 14:30:54,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41709076] [2021-11-23 14:30:54,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:30:54,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2021-11-23 14:30:54,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:30:54,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2021-11-23 14:30:54,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=793, Invalid=11638, Unknown=1, NotChecked=0, Total=12432 [2021-11-23 14:30:54,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:30:54,967 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:30:54,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 5.785714285714286) internal successors, (648), 112 states have internal predecessors, (648), 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) [2021-11-23 14:30:54,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:30:54,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:30:54,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:30:54,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:30:54,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:30:54,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:30:54,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:30:54,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:30:54,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:30:54,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:30:54,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:30:54,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:30:54,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:30:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:30:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:30:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-11-23 14:30:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2021-11-23 14:30:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-23 14:30:54,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:30:59,185 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:30:59,185 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:30:59,186 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:30:59,626 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:30:59,626 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:30:59,626 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:00,410 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:00,411 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:00,411 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:00,417 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:00,417 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:00,418 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:00,422 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:00,422 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:00,422 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:02,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:02,514 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:02,515 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:02,521 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:02,521 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:02,521 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:03,397 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:03,398 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:03,398 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:03,403 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:03,403 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:03,403 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,392 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,392 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,393 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,419 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,419 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,420 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,425 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,425 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,425 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,430 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,430 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,430 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:07,436 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,399 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,399 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,399 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,403 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,403 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,404 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,408 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,408 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,409 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,455 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,455 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,456 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,603 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,603 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem17#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,604 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short18#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,939 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,939 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,940 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,943 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,944 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,944 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,948 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,948 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,949 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,965 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,965 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,965 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,969 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,969 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,970 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,974 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,974 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,974 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,978 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,979 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,979 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,994 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,994 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,995 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,999 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,999 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:11,999 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:12,003 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:12,003 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:12,003 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:12,008 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:12,008 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:12,008 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:31:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:12,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:12,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:31:12,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:31:12,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-11-23 14:31:12,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-11-23 14:31:12,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 14:31:12,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-11-23 14:31:12,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-23 14:31:12,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:31:12,451 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:31:12,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:31:12,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1198409689, now seen corresponding path program 6 times [2021-11-23 14:31:12,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:31:12,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859849387] [2021-11-23 14:31:12,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:31:12,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:31:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:31:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 14:31:13,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:31:13,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859849387] [2021-11-23 14:31:13,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859849387] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:31:13,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476732805] [2021-11-23 14:31:13,313 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-23 14:31:13,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:31:13,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:31:13,314 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:31:13,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-23 14:31:13,507 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-11-23 14:31:13,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:31:13,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 14:31:13,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:31:13,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-23 14:31:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 14:31:14,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:31:14,128 INFO L354 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2021-11-23 14:31:14,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 15 [2021-11-23 14:31:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 14:31:14,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476732805] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:31:14,409 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:31:14,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 9, 6] total 32 [2021-11-23 14:31:14,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485823954] [2021-11-23 14:31:14,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:31:14,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-23 14:31:14,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:31:14,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-23 14:31:14,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=909, Unknown=0, NotChecked=0, Total=992 [2021-11-23 14:31:14,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:31:14,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:31:14,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 14.1875) internal successors, (454), 32 states have internal predecessors, (454), 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) [2021-11-23 14:31:14,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:31:14,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:14,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:31:14,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:31:14,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:14,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:31:14,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:31:14,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:31:14,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:31:14,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:31:14,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:31:14,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:31:14,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:14,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:31:14,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:31:14,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-11-23 14:31:14,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-11-23 14:31:14,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-23 14:31:14,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-11-23 14:31:14,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:31:16,070 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:16,070 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:16,070 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:16,090 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:16,090 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:16,091 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:16,249 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:16,249 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:16,249 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:31:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:31:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:31:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:31:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 14:31:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-11-23 14:31:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-23 14:31:16,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-23 14:31:16,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-11-23 14:31:16,600 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:31:16,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:31:16,600 INFO L85 PathProgramCache]: Analyzing trace with hash -318793211, now seen corresponding path program 7 times [2021-11-23 14:31:16,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:31:16,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136315170] [2021-11-23 14:31:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:31:16,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:31:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:31:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 14:31:16,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:31:16,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136315170] [2021-11-23 14:31:16,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136315170] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:31:16,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435217525] [2021-11-23 14:31:16,880 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-23 14:31:16,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:31:16,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:31:16,885 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:31:16,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-23 14:31:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:31:17,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 14:31:17,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:31:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 14:31:18,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:31:19,049 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 13 proven. 25 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 14:31:19,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435217525] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:31:19,050 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:31:19,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 34 [2021-11-23 14:31:19,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562911113] [2021-11-23 14:31:19,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:31:19,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-23 14:31:19,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:31:19,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-23 14:31:19,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=924, Unknown=0, NotChecked=0, Total=1122 [2021-11-23 14:31:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:31:19,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:31:19,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 13.441176470588236) internal successors, (457), 34 states have internal predecessors, (457), 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) [2021-11-23 14:31:19,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:31:19,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:19,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:31:19,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:31:19,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:19,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:31:19,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:31:19,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:31:19,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:31:19,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:31:19,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:31:19,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:31:19,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:19,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:31:19,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:31:19,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-11-23 14:31:19,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-11-23 14:31:19,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-23 14:31:19,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-11-23 14:31:19,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-23 14:31:19,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:31:19,703 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,703 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,703 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,862 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,863 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,863 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,879 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,879 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,879 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,892 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,892 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,893 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,898 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,906 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,907 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,907 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,925 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,925 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:19,925 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,011 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem7#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,011 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,011 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short8#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,023 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,023 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,023 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,083 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem12#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,083 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,084 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short13#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:31:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:31:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:31:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 14:31:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:31:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 14:31:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:31:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 14:31:20,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:31:20,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 14:31:20,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:31:20,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:31:20,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:31:20,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-11-23 14:31:20,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-11-23 14:31:20,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 14:31:20,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-23 14:31:20,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-23 14:31:20,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-23 14:31:20,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-23 14:31:20,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:31:20,515 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-23 14:31:20,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:31:20,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2033617701, now seen corresponding path program 8 times [2021-11-23 14:31:20,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:31:20,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461972752] [2021-11-23 14:31:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:31:20,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:31:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:31:23,532 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 14:31:23,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:31:23,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461972752] [2021-11-23 14:31:23,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461972752] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:31:23,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046059346] [2021-11-23 14:31:23,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:31:23,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:31:23,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:31:23,534 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:31:23,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ddc71ef-b3d3-4ee8-841e-e8b14a227d87/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-23 14:31:23,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:31:23,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:31:23,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-23 14:31:23,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:31:28,093 INFO L354 Elim1Store]: treesize reduction 82, result has 31.7 percent of original size [2021-11-23 14:31:28,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 72 [2021-11-23 14:31:37,126 INFO L354 Elim1Store]: treesize reduction 214, result has 27.2 percent of original size [2021-11-23 14:31:37,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 110 treesize of output 132 [2021-11-23 14:31:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:31:37,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:31:43,585 INFO L354 Elim1Store]: treesize reduction 58, result has 85.2 percent of original size [2021-11-23 14:31:43,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 337 treesize of output 580