./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3 --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 ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 04:56:40,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 04:56:40,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 04:56:40,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 04:56:40,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 04:56:40,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 04:56:40,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 04:56:40,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 04:56:40,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 04:56:40,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 04:56:40,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 04:56:40,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 04:56:40,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 04:56:40,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 04:56:40,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 04:56:40,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 04:56:40,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 04:56:40,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 04:56:40,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 04:56:40,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 04:56:40,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 04:56:40,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 04:56:40,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 04:56:40,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 04:56:40,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 04:56:40,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 04:56:40,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 04:56:40,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 04:56:40,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 04:56:40,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 04:56:40,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 04:56:40,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 04:56:40,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 04:56:40,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 04:56:40,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 04:56:40,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 04:56:40,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 04:56:40,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 04:56:40,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 04:56:40,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 04:56:40,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 04:56:40,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-07 04:56:41,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 04:56:41,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 04:56:41,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 04:56:41,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 04:56:41,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 04:56:41,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 04:56:41,047 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 04:56:41,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 04:56:41,048 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 04:56:41,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 04:56:41,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 04:56:41,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 04:56:41,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 04:56:41,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 04:56:41,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 04:56:41,050 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 04:56:41,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 04:56:41,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 04:56:41,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 04:56:41,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 04:56:41,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 04:56:41,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-07 04:56:41,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 04:56:41,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:41,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 04:56:41,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 04:56:41,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 04:56:41,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 04:56:41,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 04:56:41,055 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 04:56:41,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-07 04:56:41,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 04:56:41,056 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-07 04:56:41,056 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-07 04:56:41,056 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_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3 [2021-11-07 04:56:41,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 04:56:41,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 04:56:41,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 04:56:41,395 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 04:56:41,396 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 04:56:41,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2021-11-07 04:56:41,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/data/cd362e146/589b3d6d69e840d394673ae3af7e46d6/FLAGac7795af9 [2021-11-07 04:56:41,953 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 04:56:41,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2021-11-07 04:56:41,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/data/cd362e146/589b3d6d69e840d394673ae3af7e46d6/FLAGac7795af9 [2021-11-07 04:56:42,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/data/cd362e146/589b3d6d69e840d394673ae3af7e46d6 [2021-11-07 04:56:42,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 04:56:42,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 04:56:42,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:42,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 04:56:42,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 04:56:42,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21911a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42, skipping insertion in model container [2021-11-07 04:56:42,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 04:56:42,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 04:56:42,573 WARN L228 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_392c1dc0-a312-454b-875c-f46d79c3fc59/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599] [2021-11-07 04:56:42,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:42,590 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 04:56:42,615 WARN L228 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_392c1dc0-a312-454b-875c-f46d79c3fc59/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599] [2021-11-07 04:56:42,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:42,635 INFO L208 MainTranslator]: Completed translation [2021-11-07 04:56:42,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42 WrapperNode [2021-11-07 04:56:42,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:42,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:42,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 04:56:42,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 04:56:42,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:42,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 04:56:42,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 04:56:42,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 04:56:42,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 04:56:42,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 04:56:42,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 04:56:42,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 04:56:42,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:42,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:42,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:42,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 04:56:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-07 04:56:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-07 04:56:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-07 04:56:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-07 04:56:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-07 04:56:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-07 04:56:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 04:56:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 04:56:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 04:56:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-07 04:56:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-07 04:56:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 04:56:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 04:56:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 04:56:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 04:56:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 04:56:42,821 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 04:56:43,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 04:56:43,466 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-07 04:56:43,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:43 BoogieIcfgContainer [2021-11-07 04:56:43,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 04:56:43,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 04:56:43,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 04:56:43,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 04:56:43,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:56:42" (1/3) ... [2021-11-07 04:56:43,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4285fdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:43, skipping insertion in model container [2021-11-07 04:56:43,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (2/3) ... [2021-11-07 04:56:43,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4285fdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:43, skipping insertion in model container [2021-11-07 04:56:43,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:43" (3/3) ... [2021-11-07 04:56:43,478 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2021-11-07 04:56:43,483 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 04:56:43,483 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 04:56:43,483 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 04:56:43,484 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 04:56:43,519 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,519 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,519 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,520 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,520 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,520 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,522 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,523 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,523 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,524 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,524 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,524 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,524 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,524 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,525 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,526 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,526 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,526 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,527 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,527 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,527 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,528 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,528 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,528 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,528 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,528 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,529 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,529 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,529 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,529 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,530 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,530 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,530 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,530 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,531 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,531 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,531 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,531 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,532 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,532 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,532 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,532 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,533 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,533 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,533 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,533 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,534 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,534 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,534 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,534 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,535 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,535 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,535 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,535 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,536 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,536 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,536 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,536 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,536 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,537 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,537 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,537 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,538 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,538 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,538 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,538 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,538 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,539 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,539 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,539 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,544 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,544 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,544 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,544 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,553 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,554 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,554 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,554 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,556 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,557 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,557 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,557 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,557 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,557 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:43,569 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-07 04:56:43,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:43,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:43,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:43,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-07 04:56:43,664 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:43,671 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 [2021-11-07 04:56:43,672 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 04:56:43,972 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:43,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:43,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1020498173, now seen corresponding path program 1 times [2021-11-07 04:56:44,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:44,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819443432] [2021-11-07 04:56:44,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:44,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:44,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:44,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:44,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819443432] [2021-11-07 04:56:44,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819443432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:44,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:44,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:56:44,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427514776] [2021-11-07 04:56:44,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:56:44,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:44,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:56:44,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:56:44,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,253 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:44,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 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) [2021-11-07 04:56:44,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 04:56:44,288 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:44,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:44,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1653544862, now seen corresponding path program 1 times [2021-11-07 04:56:44,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:44,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789753460] [2021-11-07 04:56:44,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:44,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:44,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:44,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789753460] [2021-11-07 04:56:44,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789753460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:44,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:44,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:56:44,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756445719] [2021-11-07 04:56:44,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:56:44,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:44,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:56:44,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:56:44,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,543 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:44,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-11-07 04:56:44,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:44,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 04:56:44,576 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:44,577 INFO L85 PathProgramCache]: Analyzing trace with hash 342170664, now seen corresponding path program 1 times [2021-11-07 04:56:44,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:44,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822510942] [2021-11-07 04:56:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:44,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:44,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:44,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822510942] [2021-11-07 04:56:44,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822510942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:44,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:44,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:56:44,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915742407] [2021-11-07 04:56:44,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:56:44,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:44,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:56:44,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,901 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:44,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 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) [2021-11-07 04:56:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:44,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:45,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 04:56:45,065 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:45,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:45,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1015456025, now seen corresponding path program 1 times [2021-11-07 04:56:45,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:45,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131678013] [2021-11-07 04:56:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:45,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:45,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:45,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131678013] [2021-11-07 04:56:45,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131678013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:45,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:45,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-07 04:56:45,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801717917] [2021-11-07 04:56:45,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 04:56:45,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:45,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 04:56:45,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 04:56:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,328 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:45,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 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) [2021-11-07 04:56:45,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:45,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:45,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:45,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 04:56:45,542 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:45,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:45,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1731103307, now seen corresponding path program 1 times [2021-11-07 04:56:45,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:45,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617122365] [2021-11-07 04:56:45,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:45,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:45,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:45,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617122365] [2021-11-07 04:56:45,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617122365] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:45,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214336816] [2021-11-07 04:56:45,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:45,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:45,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:45,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:45,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 04:56:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:45,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:56:45,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:46,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214336816] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:46,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:46,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-11-07 04:56:46,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457317455] [2021-11-07 04:56:46,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:56:46,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:46,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:56:46,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:56:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,394 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:46,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 10 states have internal predecessors, (116), 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) [2021-11-07 04:56:46,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:46,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:46,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:46,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:46,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:46,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:46,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:46,793 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:46,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:46,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1835033378, now seen corresponding path program 1 times [2021-11-07 04:56:46,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:46,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866150163] [2021-11-07 04:56:46,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:46,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:47,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:47,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866150163] [2021-11-07 04:56:47,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866150163] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:47,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856504821] [2021-11-07 04:56:47,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:47,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:47,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:47,695 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:47,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 04:56:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:47,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-07 04:56:47,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:50,494 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-07 04:56:50,495 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 59 treesize of output 36 [2021-11-07 04:56:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:50,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856504821] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:50,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:50,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 27] total 48 [2021-11-07 04:56:50,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856103252] [2021-11-07 04:56:50,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-07 04:56:50,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:50,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-07 04:56:50,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=375, Invalid=1881, Unknown=0, NotChecked=0, Total=2256 [2021-11-07 04:56:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,988 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:50,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.4375) internal successors, (213), 48 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) [2021-11-07 04:56:50,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:50,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:50,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:50,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:50,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:52,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:52,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:52,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:56:53,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:53,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:53,188 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:53,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:53,189 INFO L85 PathProgramCache]: Analyzing trace with hash -464218392, now seen corresponding path program 1 times [2021-11-07 04:56:53,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:53,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122007889] [2021-11-07 04:56:53,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:53,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:53,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:53,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122007889] [2021-11-07 04:56:53,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122007889] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:53,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870774483] [2021-11-07 04:56:53,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:53,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:53,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:53,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:53,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 04:56:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:54,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-07 04:56:54,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:56,243 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 04:56:56,244 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 67 treesize of output 43 [2021-11-07 04:56:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:57,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870774483] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:57,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:57,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 42 [2021-11-07 04:56:57,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45952204] [2021-11-07 04:56:57,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-11-07 04:56:57,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:57,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-11-07 04:56:57,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=1365, Unknown=0, NotChecked=0, Total=1722 [2021-11-07 04:56:57,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,336 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:57,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.690476190476191) internal successors, (197), 42 states have internal predecessors, (197), 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) [2021-11-07 04:56:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:57,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:56:57,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:56:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 04:56:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:56:59,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:59,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:59,555 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:56:59,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:59,555 INFO L85 PathProgramCache]: Analyzing trace with hash 130587687, now seen corresponding path program 2 times [2021-11-07 04:56:59,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:59,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58809143] [2021-11-07 04:56:59,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:59,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:59,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:59,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58809143] [2021-11-07 04:56:59,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58809143] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:59,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709501940] [2021-11-07 04:56:59,762 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:56:59,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:59,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:59,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:59,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 04:57:00,234 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:57:00,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:00,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 04:57:00,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:01,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709501940] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:01,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:01,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 23 [2021-11-07 04:57:01,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10791662] [2021-11-07 04:57:01,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-07 04:57:01,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:01,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-07 04:57:01,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2021-11-07 04:57:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:01,103 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:01,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 23 states have internal predecessors, (170), 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) [2021-11-07 04:57:01,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:01,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:01,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:01,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:01,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:01,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 04:57:01,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:01,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:01,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 04:57:01,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-07 04:57:01,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:01,945 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:57:01,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:01,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1552451413, now seen corresponding path program 3 times [2021-11-07 04:57:01,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:01,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865678661] [2021-11-07 04:57:01,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:01,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:02,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:02,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865678661] [2021-11-07 04:57:02,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865678661] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:02,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031144907] [2021-11-07 04:57:02,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 04:57:02,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:02,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:02,064 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:02,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 04:57:02,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 04:57:02,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:02,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 04:57:02,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:03,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031144907] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:03,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:03,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-11-07 04:57:03,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259361670] [2021-11-07 04:57:03,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-07 04:57:03,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:03,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-07 04:57:03,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-11-07 04:57:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,160 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:03,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.7) internal successors, (194), 20 states have internal predecessors, (194), 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) [2021-11-07 04:57:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:03,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-07 04:57:03,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 04:57:03,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 04:57:03,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:03,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-07 04:57:03,755 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:57:03,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:03,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1529272672, now seen corresponding path program 4 times [2021-11-07 04:57:03,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:03,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821618189] [2021-11-07 04:57:03,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:03,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:04,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:04,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821618189] [2021-11-07 04:57:04,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821618189] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:04,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985535665] [2021-11-07 04:57:04,610 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 04:57:04,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:04,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:04,615 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:04,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 04:57:05,372 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 04:57:05,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:05,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-07 04:57:05,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:05,520 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 [2021-11-07 04:57:05,910 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-07 04:57:05,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-07 04:57:07,428 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-07 04:57:07,428 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 35 treesize of output 30 [2021-11-07 04:57:08,027 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-07 04:57:08,028 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 59 treesize of output 36 [2021-11-07 04:57:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:08,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985535665] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:08,379 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:08,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 29] total 51 [2021-11-07 04:57:08,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230904122] [2021-11-07 04:57:08,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-11-07 04:57:08,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:08,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-11-07 04:57:08,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=2148, Unknown=0, NotChecked=0, Total=2550 [2021-11-07 04:57:08,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,382 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:08,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.176470588235294) internal successors, (213), 51 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) [2021-11-07 04:57:08,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:08,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:08,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:08,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-07 04:57:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-07 04:57:08,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:57:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 04:57:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 04:57:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 04:57:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:57:10,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:10,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-07 04:57:10,803 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:57:10,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:10,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1101356388, now seen corresponding path program 1 times [2021-11-07 04:57:10,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:10,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031060013] [2021-11-07 04:57:10,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:10,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:10,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 04:57:10,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:10,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031060013] [2021-11-07 04:57:10,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031060013] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:10,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557106660] [2021-11-07 04:57:10,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:10,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:10,959 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:10,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 04:57:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:11,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 04:57:11,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:12,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557106660] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:12,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:12,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 20 [2021-11-07 04:57:12,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130048609] [2021-11-07 04:57:12,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-07 04:57:12,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:12,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-07 04:57:12,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2021-11-07 04:57:12,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:12,393 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:12,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.9) internal successors, (158), 20 states have internal predecessors, (158), 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) [2021-11-07 04:57:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:57:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 04:57:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-07 04:57:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-07 04:57:12,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:57:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:57:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 04:57:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 04:57:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 04:57:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 04:57:12,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:13,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:13,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:13,187 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:57:13,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:13,187 INFO L85 PathProgramCache]: Analyzing trace with hash -365551766, now seen corresponding path program 5 times [2021-11-07 04:57:13,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:13,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510659172] [2021-11-07 04:57:13,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:13,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:14,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:14,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510659172] [2021-11-07 04:57:14,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510659172] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:14,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141447596] [2021-11-07 04:57:14,174 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-07 04:57:14,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:14,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:14,175 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:14,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 04:57:14,977 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:57:14,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:14,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-07 04:57:14,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:16,789 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-07 04:57:16,789 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 36 treesize of output 31 [2021-11-07 04:57:17,030 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-07 04:57:17,031 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 36 treesize of output 31 [2021-11-07 04:57:17,577 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 04:57:17,577 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 53 treesize of output 37 [2021-11-07 04:57:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:18,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141447596] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:18,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:18,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 32] total 56 [2021-11-07 04:57:18,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623015652] [2021-11-07 04:57:18,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-11-07 04:57:18,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:18,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-11-07 04:57:18,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=2633, Unknown=0, NotChecked=0, Total=3080 [2021-11-07 04:57:18,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:18,283 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:18,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.8035714285714284) internal successors, (213), 56 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) [2021-11-07 04:57:18,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:18,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:18,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:18,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:18,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:18,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:57:18,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 04:57:18,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-07 04:57:18,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-07 04:57:18,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-07 04:57:18,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:18,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:57:23,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:23,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:23,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:23,823 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:57:23,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:23,823 INFO L85 PathProgramCache]: Analyzing trace with hash -290773693, now seen corresponding path program 6 times [2021-11-07 04:57:23,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:23,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307857532] [2021-11-07 04:57:23,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:23,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 04:57:23,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:23,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307857532] [2021-11-07 04:57:23,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307857532] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:23,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529449223] [2021-11-07 04:57:23,950 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-07 04:57:23,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:23,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:23,951 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:23,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 04:57:24,931 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-11-07 04:57:24,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:24,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 04:57:24,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 04:57:25,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529449223] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:25,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:25,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 17 [2021-11-07 04:57:25,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559126573] [2021-11-07 04:57:25,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 04:57:25,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:25,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 04:57:25,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-11-07 04:57:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:25,348 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:25,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 17 states have internal predecessors, (136), 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) [2021-11-07 04:57:25,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:25,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:25,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:25,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-07 04:57:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:57:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:25,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:25,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:57:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:57:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:25,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:26,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:26,092 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:57:26,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:26,092 INFO L85 PathProgramCache]: Analyzing trace with hash -709796702, now seen corresponding path program 7 times [2021-11-07 04:57:26,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:26,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214142255] [2021-11-07 04:57:26,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:26,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:27,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:27,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214142255] [2021-11-07 04:57:27,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214142255] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:27,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18818622] [2021-11-07 04:57:27,886 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 04:57:27,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:27,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:27,895 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:27,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 04:57:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:28,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-07 04:57:28,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:30,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 04:57:30,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 04:57:31,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 04:57:31,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 04:57:32,917 INFO L354 Elim1Store]: treesize reduction 51, result has 37.8 percent of original size [2021-11-07 04:57:32,917 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 138 treesize of output 87 [2021-11-07 04:57:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:34,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18818622] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:34,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:34,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 42] total 78 [2021-11-07 04:57:34,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649038783] [2021-11-07 04:57:34,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2021-11-07 04:57:34,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:34,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-11-07 04:57:34,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=652, Invalid=5354, Unknown=0, NotChecked=0, Total=6006 [2021-11-07 04:57:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:34,187 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:34,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 3.1666666666666665) internal successors, (247), 78 states have internal predecessors, (247), 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) [2021-11-07 04:57:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:34,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:57:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:57:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:34,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:38,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:38,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:39,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-07 04:57:39,174 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:57:39,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:39,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1285918824, now seen corresponding path program 2 times [2021-11-07 04:57:39,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:39,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5702163] [2021-11-07 04:57:39,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:39,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:40,696 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:40,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:40,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5702163] [2021-11-07 04:57:40,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5702163] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:40,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450525989] [2021-11-07 04:57:40,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:57:40,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:40,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:40,698 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:40,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 04:57:41,950 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:57:41,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:41,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-07 04:57:41,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:44,658 INFO L354 Elim1Store]: treesize reduction 51, result has 37.8 percent of original size [2021-11-07 04:57:44,659 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 180 treesize of output 103 [2021-11-07 04:57:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:57:46,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450525989] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:46,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:46,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 26] total 58 [2021-11-07 04:57:46,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663641846] [2021-11-07 04:57:46,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2021-11-07 04:57:46,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:46,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-11-07 04:57:46,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=2974, Unknown=0, NotChecked=0, Total=3306 [2021-11-07 04:57:46,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:46,206 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:46,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.9655172413793105) internal successors, (230), 58 states have internal predecessors, (230), 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) [2021-11-07 04:57:46,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:46,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:46,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:46,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:46,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:46,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:46,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:57:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:57:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:46,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:46,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:57:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:57:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:57:50,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:57:50,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:50,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-07 04:57:50,503 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:57:50,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:50,503 INFO L85 PathProgramCache]: Analyzing trace with hash 311923367, now seen corresponding path program 8 times [2021-11-07 04:57:50,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:50,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936571884] [2021-11-07 04:57:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:50,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 04:57:50,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:50,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936571884] [2021-11-07 04:57:50,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936571884] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:50,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951379091] [2021-11-07 04:57:50,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:57:50,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:50,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:50,766 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:50,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 04:57:52,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:57:52,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:52,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 04:57:52,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 04:57:53,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951379091] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:53,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:53,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 32 [2021-11-07 04:57:53,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505089684] [2021-11-07 04:57:53,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-07 04:57:53,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:53,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-07 04:57:53,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=887, Unknown=0, NotChecked=0, Total=992 [2021-11-07 04:57:53,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:53,144 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:53,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.59375) internal successors, (211), 32 states have internal predecessors, (211), 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) [2021-11-07 04:57:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:53,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:57:53,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:57:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:57:54,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:54,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:55,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-07 04:57:55,162 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:57:55,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:55,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1785422692, now seen corresponding path program 2 times [2021-11-07 04:57:55,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:55,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448401061] [2021-11-07 04:57:55,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:55,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:56,398 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:56,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:56,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448401061] [2021-11-07 04:57:56,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448401061] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:56,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081688457] [2021-11-07 04:57:56,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:57:56,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:56,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:56,400 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:56,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 04:57:57,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:57:57,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:57,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 04:57:57,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:01,322 INFO L354 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2021-11-07 04:58:01,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 156 treesize of output 85 [2021-11-07 04:58:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:58:02,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081688457] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:02,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:02,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 33] total 64 [2021-11-07 04:58:02,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188405601] [2021-11-07 04:58:02,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2021-11-07 04:58:02,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:02,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-11-07 04:58:02,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=3681, Unknown=0, NotChecked=0, Total=4032 [2021-11-07 04:58:02,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:02,181 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:02,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 3.8125) internal successors, (244), 64 states have internal predecessors, (244), 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) [2021-11-07 04:58:02,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:02,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:02,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:02,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:02,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:02,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:02,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:02,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:02,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:02,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:02,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:02,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:02,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:02,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:02,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:02,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:02,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:06,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:06,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:06,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:06,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:06,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 04:58:06,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:06,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-07 04:58:06,330 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:58:06,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:06,330 INFO L85 PathProgramCache]: Analyzing trace with hash -513829078, now seen corresponding path program 1 times [2021-11-07 04:58:06,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:06,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673684903] [2021-11-07 04:58:06,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:06,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:07,764 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:07,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:07,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673684903] [2021-11-07 04:58:07,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673684903] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:07,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426602371] [2021-11-07 04:58:07,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:07,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:07,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:07,767 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:07,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-07 04:58:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:09,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-07 04:58:09,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:14,633 INFO L354 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2021-11-07 04:58:14,634 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 174 treesize of output 91 [2021-11-07 04:58:15,726 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:15,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426602371] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:15,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:15,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 33] total 62 [2021-11-07 04:58:15,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876014402] [2021-11-07 04:58:15,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2021-11-07 04:58:15,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:15,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-11-07 04:58:15,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=3395, Unknown=0, NotChecked=0, Total=3782 [2021-11-07 04:58:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:15,730 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:15,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 3.725806451612903) internal successors, (231), 62 states have internal predecessors, (231), 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) [2021-11-07 04:58:15,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:15,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:15,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:15,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:15,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:15,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:15,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:15,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:15,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:15,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:15,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:15,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:15,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:15,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:15,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:15,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:15,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 04:58:15,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:58:18,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:18,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:18,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:18,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-07 04:58:18,964 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:58:18,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:18,965 INFO L85 PathProgramCache]: Analyzing trace with hash -365071067, now seen corresponding path program 3 times [2021-11-07 04:58:18,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:18,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488746048] [2021-11-07 04:58:18,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:18,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 04:58:19,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:19,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488746048] [2021-11-07 04:58:19,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488746048] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:19,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797939724] [2021-11-07 04:58:19,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 04:58:19,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:19,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:19,145 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:19,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 04:58:21,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 04:58:21,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:58:21,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 04:58:21,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:21,829 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 04:58:21,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797939724] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:21,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:21,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 26 [2021-11-07 04:58:21,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717790405] [2021-11-07 04:58:21,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-07 04:58:21,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:21,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-07 04:58:21,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2021-11-07 04:58:21,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:21,832 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:21,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.230769230769231) internal successors, (162), 26 states have internal predecessors, (162), 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) [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:21,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:21,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:21,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:21,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:21,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:58:21,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:21,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:21,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:58:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 04:58:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 04:58:22,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:22,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:22,623 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:58:22,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:22,623 INFO L85 PathProgramCache]: Analyzing trace with hash 2130148327, now seen corresponding path program 4 times [2021-11-07 04:58:22,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:22,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120594090] [2021-11-07 04:58:22,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:22,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 04:58:22,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:22,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120594090] [2021-11-07 04:58:22,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120594090] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:22,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171445841] [2021-11-07 04:58:22,797 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 04:58:22,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:22,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:22,798 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:22,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-07 04:58:24,920 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 04:58:24,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:58:24,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 04:58:24,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 04:58:25,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171445841] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:25,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:25,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2021-11-07 04:58:25,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802648811] [2021-11-07 04:58:25,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 04:58:25,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:25,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 04:58:25,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2021-11-07 04:58:25,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:25,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:25,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.48) internal successors, (162), 25 states have internal predecessors, (162), 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) [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:25,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:58:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 04:58:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 04:58:25,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:58:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 04:58:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:26,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-11-07 04:58:26,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:26,282 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:58:26,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:26,282 INFO L85 PathProgramCache]: Analyzing trace with hash -552474461, now seen corresponding path program 9 times [2021-11-07 04:58:26,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:26,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515007235] [2021-11-07 04:58:26,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:26,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 04:58:26,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:26,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515007235] [2021-11-07 04:58:26,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515007235] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:26,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304511840] [2021-11-07 04:58:26,453 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 04:58:26,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:26,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:26,455 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:26,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-07 04:58:28,659 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 04:58:28,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:58:28,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 04:58:28,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 04:58:29,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304511840] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:29,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:29,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2021-11-07 04:58:29,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821804172] [2021-11-07 04:58:29,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 04:58:29,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:29,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 04:58:29,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2021-11-07 04:58:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:29,133 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:29,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.32) internal successors, (158), 25 states have internal predecessors, (158), 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) [2021-11-07 04:58:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:29,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:29,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:58:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 04:58:29,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:29,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:29,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:58:29,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:29,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-11-07 04:58:29,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-07 04:58:29,909 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:58:29,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:29,910 INFO L85 PathProgramCache]: Analyzing trace with hash -202305298, now seen corresponding path program 5 times [2021-11-07 04:58:29,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:29,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823737263] [2021-11-07 04:58:29,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:29,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:31,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:31,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823737263] [2021-11-07 04:58:31,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823737263] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:31,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518846179] [2021-11-07 04:58:31,290 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-07 04:58:31,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:31,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:31,291 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:31,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-07 04:58:33,533 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-11-07 04:58:33,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:58:33,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-07 04:58:33,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:33,658 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 [2021-11-07 04:58:34,083 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-07 04:58:34,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-07 04:58:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:58:36,832 INFO L354 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2021-11-07 04:58:36,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 82 [2021-11-07 04:58:38,136 INFO L354 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2021-11-07 04:58:38,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 156 treesize of output 85 [2021-11-07 04:58:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:39,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518846179] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:39,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:39,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 35] total 68 [2021-11-07 04:58:39,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492844320] [2021-11-07 04:58:39,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2021-11-07 04:58:39,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:39,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-11-07 04:58:39,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=4156, Unknown=0, NotChecked=0, Total=4556 [2021-11-07 04:58:39,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:39,011 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:39,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 3.6029411764705883) internal successors, (245), 68 states have internal predecessors, (245), 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) [2021-11-07 04:58:39,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:39,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:58:39,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:39,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:58:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:58:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:58:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 04:58:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:58:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-11-07 04:58:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-11-07 04:58:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:58:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:58:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-07 04:58:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:58:46,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:46,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 04:58:46,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-11-07 04:58:46,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:46,771 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:58:46,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:46,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1617954670, now seen corresponding path program 10 times [2021-11-07 04:58:46,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:46,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616834254] [2021-11-07 04:58:46,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:46,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:49,494 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:49,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:49,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616834254] [2021-11-07 04:58:49,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616834254] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:49,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688467061] [2021-11-07 04:58:49,495 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 04:58:49,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:49,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:49,496 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:49,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-07 04:58:52,052 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 04:58:52,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:58:52,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-07 04:58:52,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:53,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 04:58:53,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 04:58:54,909 INFO L354 Elim1Store]: treesize reduction 64, result has 21.0 percent of original size [2021-11-07 04:58:54,909 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 112 treesize of output 68 [2021-11-07 04:58:55,413 INFO L354 Elim1Store]: treesize reduction 64, result has 21.0 percent of original size [2021-11-07 04:58:55,413 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 112 treesize of output 68 [2021-11-07 04:58:57,503 INFO L354 Elim1Store]: treesize reduction 51, result has 37.8 percent of original size [2021-11-07 04:58:57,503 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 180 treesize of output 103 [2021-11-07 04:58:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:59,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688467061] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:59,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:59,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 42] total 77 [2021-11-07 04:58:59,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210987545] [2021-11-07 04:58:59,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2021-11-07 04:58:59,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:59,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-11-07 04:58:59,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=5253, Unknown=0, NotChecked=0, Total=5852 [2021-11-07 04:58:59,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:59,345 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:59,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.0) internal successors, (231), 77 states have internal predecessors, (231), 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) [2021-11-07 04:58:59,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:59,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:58:59,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:58:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:58:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:58:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:58:59,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 04:58:59,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 04:59:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-07 04:59:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-11-07 04:59:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 04:59:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 04:59:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:59:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:59:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-07 04:59:11,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-07 04:59:11,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-07 04:59:11,310 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:59:11,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:59:11,310 INFO L85 PathProgramCache]: Analyzing trace with hash -174930039, now seen corresponding path program 6 times [2021-11-07 04:59:11,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:59:11,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667275785] [2021-11-07 04:59:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:11,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:59:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:59:11,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:59:11,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667275785] [2021-11-07 04:59:11,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667275785] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:11,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301438262] [2021-11-07 04:59:11,486 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-07 04:59:11,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:11,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:59:11,487 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:59:11,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-07 04:59:14,571 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-11-07 04:59:14,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:59:14,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 04:59:14,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:59:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:59:15,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301438262] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:15,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:59:15,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2021-11-07 04:59:15,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280826611] [2021-11-07 04:59:15,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 04:59:15,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:59:15,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 04:59:15,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2021-11-07 04:59:15,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:15,186 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:59:15,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.6) internal successors, (165), 25 states have internal predecessors, (165), 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) [2021-11-07 04:59:15,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:15,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:59:15,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:59:15,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-11-07 04:59:15,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:15,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 04:59:15,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 04:59:15,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:59:15,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:59:15,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-11-07 04:59:15,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:59:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:59:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 04:59:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-07 04:59:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-11-07 04:59:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 04:59:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 04:59:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:59:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:59:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:59:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:59:15,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-11-07 04:59:16,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-07 04:59:16,089 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:59:16,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:59:16,089 INFO L85 PathProgramCache]: Analyzing trace with hash -362333433, now seen corresponding path program 11 times [2021-11-07 04:59:16,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:59:16,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816269947] [2021-11-07 04:59:16,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:16,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:59:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 04:59:16,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:59:16,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816269947] [2021-11-07 04:59:16,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816269947] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:16,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745847805] [2021-11-07 04:59:16,294 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-07 04:59:16,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:16,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:59:16,296 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:59:16,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-07 04:59:19,191 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-07 04:59:19,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:59:19,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 04:59:19,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:59:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:59:19,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745847805] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:19,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:59:19,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 29 [2021-11-07 04:59:19,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471419335] [2021-11-07 04:59:19,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-07 04:59:19,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:59:19,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-07 04:59:19,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2021-11-07 04:59:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:19,829 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:59:19,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 7.275862068965517) internal successors, (211), 29 states have internal predecessors, (211), 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) [2021-11-07 04:59:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:59:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:59:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:59:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:19,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:19,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:59:19,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:59:19,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 04:59:19,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:59:19,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:19,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:59:19,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:19,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 04:59:19,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-11-07 04:59:19,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-11-07 04:59:19,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:19,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 04:59:19,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 04:59:19,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:59:19,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:59:19,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:59:19,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:59:19,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:59:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:59:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:59:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:59:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:59:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 04:59:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:59:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:59:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 04:59:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-07 04:59:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-11-07 04:59:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 04:59:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 04:59:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:59:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:59:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:59:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:59:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 04:59:20,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-07 04:59:20,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:20,911 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 04:59:20,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:59:20,911 INFO L85 PathProgramCache]: Analyzing trace with hash 657845090, now seen corresponding path program 12 times [2021-11-07 04:59:20,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:59:20,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153208905] [2021-11-07 04:59:20,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:20,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:59:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:59:25,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:59:25,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153208905] [2021-11-07 04:59:25,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153208905] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:25,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169520617] [2021-11-07 04:59:25,140 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-07 04:59:25,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:25,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:59:25,141 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:59:25,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-07 04:59:28,332 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-11-07 04:59:28,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:59:28,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-07 04:59:28,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:59:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:59:37,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:59:37,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:59:37,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:59:37,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:59:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:59:37,186 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 04:59:37,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 367 treesize of output 211 [2021-11-07 04:59:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:59:54,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169520617] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:54,974 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:59:54,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 46] total 87 [2021-11-07 04:59:54,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133628188] [2021-11-07 04:59:54,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-07 04:59:54,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:59:54,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-07 04:59:54,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=695, Invalid=6787, Unknown=0, NotChecked=0, Total=7482 [2021-11-07 04:59:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:54,979 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:59:54,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 3.045977011494253) internal successors, (265), 87 states have internal predecessors, (265), 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) [2021-11-07 04:59:54,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:54,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 04:59:54,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:59:54,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:54,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:59:54,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:54,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 04:59:54,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:59:54,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:59:54,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 04:59:54,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 04:59:54,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:54,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:59:54,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:54,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 04:59:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-11-07 04:59:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-11-07 04:59:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 04:59:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 04:59:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 04:59:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:59:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:59:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 04:59:54,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:59:54,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 04:59:54,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:04,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:04,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:00:04,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:00:04,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:00:04,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:00:04,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:00:04,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:04,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:04,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:00:04,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-07 05:00:04,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:04,353 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:00:04,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:00:04,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1419887641, now seen corresponding path program 13 times [2021-11-07 05:00:04,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:00:04,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096739191] [2021-11-07 05:00:04,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:00:04,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:00:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 34 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 05:00:04,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:00:04,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096739191] [2021-11-07 05:00:04,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096739191] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:04,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889520855] [2021-11-07 05:00:04,660 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 05:00:04,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:04,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:00:04,663 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:00:04,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-07 05:00:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:08,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-07 05:00:08,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:00:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 34 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 05:00:09,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889520855] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:09,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:00:09,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 39 [2021-11-07 05:00:09,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19928619] [2021-11-07 05:00:09,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-07 05:00:09,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:00:09,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-07 05:00:09,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1308, Unknown=0, NotChecked=0, Total=1482 [2021-11-07 05:00:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:09,236 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:00:09,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.589743589743589) internal successors, (218), 39 states have internal predecessors, (218), 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) [2021-11-07 05:00:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:00:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:00:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:00:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:09,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:00:09,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:10,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:00:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:00:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:00:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:00:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:00:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:00:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:00:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:00:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:00:10,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-07 05:00:10,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-07 05:00:10,745 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:00:10,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:00:10,746 INFO L85 PathProgramCache]: Analyzing trace with hash 2132885961, now seen corresponding path program 7 times [2021-11-07 05:00:10,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:00:10,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656423017] [2021-11-07 05:00:10,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:00:10,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:00:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 05:00:10,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:00:10,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656423017] [2021-11-07 05:00:10,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656423017] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:10,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760215738] [2021-11-07 05:00:10,990 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 05:00:10,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:10,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:00:10,991 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:00:11,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-07 05:00:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:14,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 05:00:14,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:00:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 05:00:15,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760215738] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:15,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:00:15,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-11-07 05:00:15,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165007670] [2021-11-07 05:00:15,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-07 05:00:15,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:00:15,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-07 05:00:15,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=716, Unknown=0, NotChecked=0, Total=812 [2021-11-07 05:00:15,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:15,206 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:00:15,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.655172413793103) internal successors, (164), 29 states have internal predecessors, (164), 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) [2021-11-07 05:00:15,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:15,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:00:15,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:00:15,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:00:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:00:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:00:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:00:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:00:15,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:00:15,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:15,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:15,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:00:15,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:00:15,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:00:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:00:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:00:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:00:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:00:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:00:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:15,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-07 05:00:16,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-07 05:00:16,009 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:00:16,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:00:16,009 INFO L85 PathProgramCache]: Analyzing trace with hash -19149344, now seen corresponding path program 8 times [2021-11-07 05:00:16,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:00:16,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926280741] [2021-11-07 05:00:16,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:00:16,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:00:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:20,029 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:00:20,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:00:20,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926280741] [2021-11-07 05:00:20,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926280741] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:20,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382023912] [2021-11-07 05:00:20,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 05:00:20,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:20,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:00:20,031 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:00:20,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-07 05:00:23,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 05:00:23,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:00:23,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-07 05:00:23,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:00:30,938 INFO L354 Elim1Store]: treesize reduction 126, result has 5.3 percent of original size [2021-11-07 05:00:30,939 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 352 treesize of output 144 [2021-11-07 05:00:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 05:00:32,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382023912] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:32,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:00:32,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 32] total 77 [2021-11-07 05:00:32,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438182465] [2021-11-07 05:00:32,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2021-11-07 05:00:32,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:00:32,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-11-07 05:00:32,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=5517, Unknown=0, NotChecked=0, Total=5852 [2021-11-07 05:00:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:32,040 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:00:32,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.6103896103896105) internal successors, (278), 77 states have internal predecessors, (278), 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) [2021-11-07 05:00:32,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:32,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:00:32,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:00:32,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:32,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:00:32,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:00:32,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:00:32,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:00:32,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:32,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:32,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:00:32,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:32,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:32,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:00:43,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:00:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:00:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:00:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:00:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:00:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:00:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:00:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:00:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:00:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:00:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:00:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:00:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:00:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:00:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:00:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:00:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:00:43,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:43,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:43,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:00:43,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-11-07 05:00:44,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-07 05:00:44,094 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:00:44,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:00:44,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1976566182, now seen corresponding path program 2 times [2021-11-07 05:00:44,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:00:44,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971716743] [2021-11-07 05:00:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:00:44,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:00:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:00:47,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:00:47,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971716743] [2021-11-07 05:00:47,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971716743] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:47,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669496293] [2021-11-07 05:00:47,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 05:00:47,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:47,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:00:47,644 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:00:47,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-07 05:00:51,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 05:00:51,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:00:51,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-07 05:00:51,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:00:59,206 INFO L354 Elim1Store]: treesize reduction 74, result has 8.6 percent of original size [2021-11-07 05:00:59,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 312 treesize of output 148 [2021-11-07 05:01:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 05:01:00,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669496293] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:00,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:01:00,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 37] total 80 [2021-11-07 05:01:00,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749236040] [2021-11-07 05:01:00,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-11-07 05:01:00,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:01:00,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-11-07 05:01:00,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=464, Invalid=5856, Unknown=0, NotChecked=0, Total=6320 [2021-11-07 05:01:00,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:00,495 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:01:00,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.4125) internal successors, (273), 80 states have internal predecessors, (273), 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) [2021-11-07 05:01:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:01:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:01:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:01:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:01:00,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:00,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:01:00,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:01:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-11-07 05:01:08,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-11-07 05:01:08,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-11-07 05:01:08,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:08,765 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:01:08,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:01:08,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1360541737, now seen corresponding path program 9 times [2021-11-07 05:01:08,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:01:08,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129952552] [2021-11-07 05:01:08,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:01:08,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:01:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:01:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 05:01:09,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:01:09,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129952552] [2021-11-07 05:01:09,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129952552] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:09,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722701286] [2021-11-07 05:01:09,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 05:01:09,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:09,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:01:09,019 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:01:09,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-07 05:01:13,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 05:01:13,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:01:13,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 05:01:13,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:01:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 05:01:14,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722701286] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:14,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:01:14,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 34 [2021-11-07 05:01:14,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388021326] [2021-11-07 05:01:14,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-07 05:01:14,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:01:14,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-07 05:01:14,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=981, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 05:01:14,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:14,091 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:01:14,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.470588235294118) internal successors, (186), 34 states have internal predecessors, (186), 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) [2021-11-07 05:01:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:01:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:01:14,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:14,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:01:14,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:14,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:14,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:14,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:01:14,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:01:14,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:01:14,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:14,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:01:14,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:01:14,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:14,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:01:14,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:01:14,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:14,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:14,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:01:14,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:01:14,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:14,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:01:14,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:14,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:14,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:01:14,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:14,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:14,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-11-07 05:01:14,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-11-07 05:01:14,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:01:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:01:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:01:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:14,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:14,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:01:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:01:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-11-07 05:01:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-11-07 05:01:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:01:15,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-11-07 05:01:15,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-11-07 05:01:15,199 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:01:15,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:01:15,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1818897246, now seen corresponding path program 10 times [2021-11-07 05:01:15,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:01:15,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083943214] [2021-11-07 05:01:15,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:01:15,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:01:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:01:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:01:18,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:01:18,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083943214] [2021-11-07 05:01:18,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083943214] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:18,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2944011] [2021-11-07 05:01:18,097 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 05:01:18,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:18,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:01:18,098 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:01:18,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-11-07 05:01:22,387 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 05:01:22,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:01:22,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-07 05:01:22,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:01:30,558 INFO L354 Elim1Store]: treesize reduction 28, result has 9.7 percent of original size [2021-11-07 05:01:30,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 290 treesize of output 135 [2021-11-07 05:01:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:01:31,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2944011] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:31,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:01:31,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 41] total 87 [2021-11-07 05:01:31,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276163310] [2021-11-07 05:01:31,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-07 05:01:31,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:01:31,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-07 05:01:31,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=485, Invalid=6997, Unknown=0, NotChecked=0, Total=7482 [2021-11-07 05:01:31,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:31,802 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:01:31,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 3.218390804597701) internal successors, (280), 87 states have internal predecessors, (280), 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) [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:01:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-11-07 05:01:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-11-07 05:01:31,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:01:31,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:01:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:01:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:01:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-11-07 05:01:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:01:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 05:01:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-07 05:01:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:01:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:01:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-07 05:01:44,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-11-07 05:01:44,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:44,357 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:01:44,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:01:44,357 INFO L85 PathProgramCache]: Analyzing trace with hash 176818280, now seen corresponding path program 3 times [2021-11-07 05:01:44,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:01:44,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535915050] [2021-11-07 05:01:44,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:01:44,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:01:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:01:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:01:48,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:01:48,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535915050] [2021-11-07 05:01:48,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535915050] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:48,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541453523] [2021-11-07 05:01:48,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 05:01:48,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:48,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:01:48,017 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:01:48,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-11-07 05:01:52,711 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 05:01:52,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:01:52,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-07 05:01:52,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:01:55,969 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2021-11-07 05:01:56,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-11-07 05:01:56,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-11-07 05:01:56,170 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Shadow problem: [thread1Thread1of1ForFork0_~i~0] at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Context.constructChildContextForQuantifiedFormula(Context.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:293) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:168) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:251) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:235) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateLight(PartialQuantifierElimination.java:111) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateCompat(PartialQuantifierElimination.java:127) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.constructQuantifiedFormula(TermDomainOperationProvider.java:115) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:104) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:197) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-07 05:01:56,176 INFO L168 Benchmark]: Toolchain (without parser) took 313832.02 ms. Allocated memory was 94.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 72.7 MB in the beginning and 455.6 MB in the end (delta: -382.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-11-07 05:01:56,176 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 05:01:56,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.11 ms. Allocated memory is still 94.4 MB. Free memory was 72.5 MB in the beginning and 63.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-11-07 05:01:56,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.15 ms. Allocated memory is still 94.4 MB. Free memory was 63.1 MB in the beginning and 61.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 05:01:56,177 INFO L168 Benchmark]: Boogie Preprocessor took 34.73 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 59.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 05:01:56,178 INFO L168 Benchmark]: RCFGBuilder took 751.63 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 55.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 05:01:56,178 INFO L168 Benchmark]: TraceAbstraction took 312704.36 ms. Allocated memory was 94.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 55.3 MB in the beginning and 455.6 MB in the end (delta: -400.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-11-07 05:01:56,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 291.11 ms. Allocated memory is still 94.4 MB. Free memory was 72.5 MB in the beginning and 63.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.15 ms. Allocated memory is still 94.4 MB. Free memory was 63.1 MB in the beginning and 61.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.73 ms. Allocated memory is still 94.4 MB. Free memory was 61.2 MB in the beginning and 59.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 751.63 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 55.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 312704.36 ms. Allocated memory was 94.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 55.3 MB in the beginning and 455.6 MB in the end (delta: -400.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Shadow problem: [thread1Thread1of1ForFork0_~i~0] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Shadow problem: [thread1Thread1of1ForFork0_~i~0]: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Context.constructChildContextForQuantifiedFormula(Context.java:117) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-07 05:01:56,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-07 05:01:56,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3 --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 ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 05:01:58,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 05:01:58,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 05:01:59,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 05:01:59,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 05:01:59,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 05:01:59,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 05:01:59,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 05:01:59,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 05:01:59,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 05:01:59,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 05:01:59,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 05:01:59,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 05:01:59,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 05:01:59,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 05:01:59,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 05:01:59,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 05:01:59,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 05:01:59,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 05:01:59,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 05:01:59,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 05:01:59,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 05:01:59,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 05:01:59,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 05:01:59,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 05:01:59,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 05:01:59,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 05:01:59,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 05:01:59,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 05:01:59,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 05:01:59,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 05:01:59,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 05:01:59,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 05:01:59,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 05:01:59,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 05:01:59,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 05:01:59,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 05:01:59,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 05:01:59,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 05:01:59,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 05:01:59,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 05:01:59,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-07 05:01:59,126 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 05:01:59,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 05:01:59,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 05:01:59,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 05:01:59,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 05:01:59,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 05:01:59,133 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 05:01:59,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 05:01:59,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 05:01:59,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 05:01:59,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 05:01:59,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 05:01:59,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 05:01:59,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 05:01:59,136 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 05:01:59,136 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 05:01:59,137 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 05:01:59,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 05:01:59,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 05:01:59,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 05:01:59,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 05:01:59,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 05:01:59,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 05:01:59,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 05:01:59,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 05:01:59,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 05:01:59,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 05:01:59,139 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-07 05:01:59,140 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 05:01:59,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 05:01:59,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-07 05:01:59,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 05:01:59,141 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-07 05:01:59,141 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-07 05:01:59,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 05:01:59,142 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3 [2021-11-07 05:01:59,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 05:01:59,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 05:01:59,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 05:01:59,622 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 05:01:59,623 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 05:01:59,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2021-11-07 05:01:59,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/data/daf2cda6a/cf4dcab87baa46bfaa59962476bf6a41/FLAG0096b52b6 [2021-11-07 05:02:00,333 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 05:02:00,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2021-11-07 05:02:00,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/data/daf2cda6a/cf4dcab87baa46bfaa59962476bf6a41/FLAG0096b52b6 [2021-11-07 05:02:00,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/data/daf2cda6a/cf4dcab87baa46bfaa59962476bf6a41 [2021-11-07 05:02:00,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 05:02:00,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 05:02:00,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 05:02:00,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 05:02:00,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 05:02:00,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:02:00" (1/1) ... [2021-11-07 05:02:00,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11272a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:00, skipping insertion in model container [2021-11-07 05:02:00,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:02:00" (1/1) ... [2021-11-07 05:02:00,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 05:02:00,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 05:02:00,936 WARN L228 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_392c1dc0-a312-454b-875c-f46d79c3fc59/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599] [2021-11-07 05:02:00,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 05:02:00,972 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 05:02:01,008 WARN L228 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_392c1dc0-a312-454b-875c-f46d79c3fc59/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599] [2021-11-07 05:02:01,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 05:02:01,031 INFO L208 MainTranslator]: Completed translation [2021-11-07 05:02:01,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01 WrapperNode [2021-11-07 05:02:01,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 05:02:01,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 05:02:01,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 05:02:01,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 05:02:01,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (1/1) ... [2021-11-07 05:02:01,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (1/1) ... [2021-11-07 05:02:01,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 05:02:01,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 05:02:01,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 05:02:01,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 05:02:01,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (1/1) ... [2021-11-07 05:02:01,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (1/1) ... [2021-11-07 05:02:01,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (1/1) ... [2021-11-07 05:02:01,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (1/1) ... [2021-11-07 05:02:01,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (1/1) ... [2021-11-07 05:02:01,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (1/1) ... [2021-11-07 05:02:01,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (1/1) ... [2021-11-07 05:02:01,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 05:02:01,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 05:02:01,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 05:02:01,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 05:02:01,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (1/1) ... [2021-11-07 05:02:01,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 05:02:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:02:01,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 05:02:01,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 05:02:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-07 05:02:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-07 05:02:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-07 05:02:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-07 05:02:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-07 05:02:01,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-07 05:02:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 05:02:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 05:02:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-07 05:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-07 05:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 05:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 05:02:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 05:02:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 05:02:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 05:02:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 05:02:01,277 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 05:02:02,076 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 05:02:02,077 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-07 05:02:02,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:02:02 BoogieIcfgContainer [2021-11-07 05:02:02,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 05:02:02,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 05:02:02,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 05:02:02,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 05:02:02,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:02:00" (1/3) ... [2021-11-07 05:02:02,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557c7d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:02:02, skipping insertion in model container [2021-11-07 05:02:02,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:02:01" (2/3) ... [2021-11-07 05:02:02,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557c7d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:02:02, skipping insertion in model container [2021-11-07 05:02:02,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:02:02" (3/3) ... [2021-11-07 05:02:02,089 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2021-11-07 05:02:02,095 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 05:02:02,095 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 05:02:02,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 05:02:02,096 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 05:02:02,131 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,132 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,132 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,132 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,133 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,133 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,134 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,134 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,134 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,134 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,134 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,135 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,135 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,136 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,136 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,137 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,137 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,138 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,138 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,139 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,139 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,139 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,139 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,140 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,141 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,142 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,142 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,142 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,142 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,143 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,143 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,143 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,144 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,144 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,145 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,145 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,145 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,145 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,146 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,146 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,147 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,147 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,147 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,147 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,147 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,148 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,148 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,148 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,148 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,149 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,149 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,149 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,149 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,150 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,150 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,150 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,150 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,150 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,151 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,151 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,155 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,158 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,158 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,161 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,161 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,162 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,162 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,162 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,162 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 05:02:02,174 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-07 05:02:02,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 05:02:02,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:02:02,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 05:02:02,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-07 05:02:02,278 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 05:02:02,285 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 [2021-11-07 05:02:02,285 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 05:02:02,633 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:02:02,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:02,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1215641137, now seen corresponding path program 1 times [2021-11-07 05:02:02,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:02:02,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235122304] [2021-11-07 05:02:02,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:02,660 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:02:02,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:02:02,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:02:02,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 05:02:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:02,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 05:02:02,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:03,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:02:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:03,383 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:02:03,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235122304] [2021-11-07 05:02:03,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235122304] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 05:02:03,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 05:02:03,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 05:02:03,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453304552] [2021-11-07 05:02:03,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 05:02:03,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:02:03,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 05:02:03,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 05:02:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:03,420 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:03,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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) [2021-11-07 05:02:03,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:03,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:03,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 05:02:03,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 [2021-11-07 05:02:03,682 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:02:03,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:03,690 INFO L85 PathProgramCache]: Analyzing trace with hash 478131724, now seen corresponding path program 1 times [2021-11-07 05:02:03,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:02:03,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778011937] [2021-11-07 05:02:03,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:03,692 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:02:03,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:02:03,694 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:02:03,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 05:02:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:03,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 05:02:03,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:04,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:02:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:05,083 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:02:05,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778011937] [2021-11-07 05:02:05,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778011937] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 05:02:05,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 05:02:05,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 05:02:05,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219243029] [2021-11-07 05:02:05,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 05:02:05,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:02:05,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 05:02:05,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 05:02:05,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:05,087 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:05,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 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) [2021-11-07 05:02:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:05,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:05,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:02:05,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 05:02:05,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 [2021-11-07 05:02:05,358 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:02:05,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:05,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1586343569, now seen corresponding path program 1 times [2021-11-07 05:02:05,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:02:05,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257453501] [2021-11-07 05:02:05,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:05,360 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:02:05,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:02:05,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:02:05,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 05:02:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:05,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 05:02:05,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:06,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:02:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:06,697 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:02:06,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257453501] [2021-11-07 05:02:06,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257453501] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 05:02:06,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 05:02:06,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-07 05:02:06,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256796372] [2021-11-07 05:02:06,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 05:02:06,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:02:06,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 05:02:06,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-07 05:02:06,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:06,700 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:06,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 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) [2021-11-07 05:02:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-07 05:02:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 05:02:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:02:06,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 05:02:07,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 [2021-11-07 05:02:07,061 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:02:07,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:07,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1065042181, now seen corresponding path program 1 times [2021-11-07 05:02:07,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:02:07,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507525723] [2021-11-07 05:02:07,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:07,063 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:02:07,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:02:07,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:02:07,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 05:02:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:07,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 05:02:07,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:02:08,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:02:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:02:08,617 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:02:08,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507525723] [2021-11-07 05:02:08,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507525723] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 05:02:08,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 05:02:08,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 6] imperfect sequences [] total 18 [2021-11-07 05:02:08,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612290725] [2021-11-07 05:02:08,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 05:02:08,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:02:08,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 05:02:08,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2021-11-07 05:02:08,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:08,621 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:08,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.055555555555555) internal successors, (145), 18 states have internal predecessors, (145), 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) [2021-11-07 05:02:08,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:08,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 05:02:08,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 05:02:08,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:09,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:09,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 05:02:09,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:09,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:02:09,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 05:02:10,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 [2021-11-07 05:02:10,111 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:02:10,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:10,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1499797628, now seen corresponding path program 1 times [2021-11-07 05:02:10,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:02:10,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594912140] [2021-11-07 05:02:10,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:10,112 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:02:10,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:02:10,114 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:02:10,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 05:02:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:10,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 05:02:10,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:02:11,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:02:12,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:12,312 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:02:12,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594912140] [2021-11-07 05:02:12,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594912140] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-07 05:02:12,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 05:02:12,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [17] total 29 [2021-11-07 05:02:12,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610718599] [2021-11-07 05:02:12,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 05:02:12,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:02:12,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 05:02:12,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2021-11-07 05:02:12,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:12,316 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:12,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 14 states have internal predecessors, (99), 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) [2021-11-07 05:02:12,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 05:02:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:02:12,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 05:02:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:02:13,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:02:13,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 05:02:13,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 [2021-11-07 05:02:13,326 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:02:13,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:13,327 INFO L85 PathProgramCache]: Analyzing trace with hash -267446096, now seen corresponding path program 1 times [2021-11-07 05:02:13,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:02:13,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636271573] [2021-11-07 05:02:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:13,328 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:02:13,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:02:13,329 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:02:13,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 05:02:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:13,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 05:02:13,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:02:15,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:02:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:02:15,799 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:02:15,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636271573] [2021-11-07 05:02:15,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636271573] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 05:02:15,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:02:15,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10] total 26 [2021-11-07 05:02:15,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046219700] [2021-11-07 05:02:15,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-07 05:02:15,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:02:15,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-07 05:02:15,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2021-11-07 05:02:15,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:15,802 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:15,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.538461538461538) internal successors, (170), 26 states have internal predecessors, (170), 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) [2021-11-07 05:02:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 05:02:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:02:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:02:15,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 05:02:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:02:18,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:02:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:18,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 05:02:18,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 [2021-11-07 05:02:18,846 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:02:18,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:18,846 INFO L85 PathProgramCache]: Analyzing trace with hash 238800956, now seen corresponding path program 1 times [2021-11-07 05:02:18,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:02:18,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564846954] [2021-11-07 05:02:18,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:18,847 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:02:18,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:02:18,853 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:02:18,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 05:02:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:19,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-07 05:02:19,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:22,691 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-07 05:02:22,693 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 69 treesize of output 42 [2021-11-07 05:02:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:02:23,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:02:25,056 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 05:02:25,057 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 103 treesize of output 63 [2021-11-07 05:02:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:02:43,130 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:02:43,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564846954] [2021-11-07 05:02:43,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564846954] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 05:02:43,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:02:43,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 26] total 54 [2021-11-07 05:02:43,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891541296] [2021-11-07 05:02:43,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-07 05:02:43,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:02:43,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-07 05:02:43,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=508, Invalid=2354, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 05:02:43,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:43,134 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:43,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.8333333333333335) internal successors, (207), 54 states have internal predecessors, (207), 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) [2021-11-07 05:02:43,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:43,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 05:02:43,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:43,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:02:43,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:02:43,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:43,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:51,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:51,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 05:02:51,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:02:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:02:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:02:51,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 05:02:51,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 [2021-11-07 05:02:51,432 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:02:51,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:51,433 INFO L85 PathProgramCache]: Analyzing trace with hash 875659979, now seen corresponding path program 2 times [2021-11-07 05:02:51,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:02:51,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950596991] [2021-11-07 05:02:51,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 05:02:51,434 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:02:51,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:02:51,435 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:02:51,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 05:02:52,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 05:02:52,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:02:52,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-07 05:02:52,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:02:53,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:02:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:02:54,439 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:02:54,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950596991] [2021-11-07 05:02:54,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950596991] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 05:02:54,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:02:54,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12] total 30 [2021-11-07 05:02:54,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945837910] [2021-11-07 05:02:54,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-07 05:02:54,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:02:54,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-07 05:02:54,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=759, Unknown=0, NotChecked=0, Total=870 [2021-11-07 05:02:54,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:54,443 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:54,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.166666666666667) internal successors, (185), 30 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:02:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 05:02:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:02:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:02:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:54,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:02:54,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:02:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:02:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:02:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:02:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:02:59,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 05:02:59,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 [2021-11-07 05:02:59,331 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:02:59,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:59,331 INFO L85 PathProgramCache]: Analyzing trace with hash 184123922, now seen corresponding path program 1 times [2021-11-07 05:02:59,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:02:59,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582565253] [2021-11-07 05:02:59,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:59,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:02:59,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:02:59,334 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:02:59,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 05:03:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:03:00,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 05:03:00,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:03:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 05:03:01,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:03:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 05:03:01,900 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:03:01,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582565253] [2021-11-07 05:03:01,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582565253] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 05:03:01,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:03:01,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10] total 26 [2021-11-07 05:03:01,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938524815] [2021-11-07 05:03:01,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-07 05:03:01,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:03:01,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-07 05:03:01,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2021-11-07 05:03:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:01,902 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:03:01,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.769230769230769) internal successors, (176), 26 states have internal predecessors, (176), 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) [2021-11-07 05:03:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:03:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:03:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:03:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:03:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:01,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:05,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:05,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:03:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:03:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:03:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:03:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:03:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:03:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:05,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 05:03:05,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 [2021-11-07 05:03:05,723 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:03:05,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:03:05,723 INFO L85 PathProgramCache]: Analyzing trace with hash -807379121, now seen corresponding path program 3 times [2021-11-07 05:03:05,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:03:05,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629873252] [2021-11-07 05:03:05,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 05:03:05,724 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:03:05,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:03:05,725 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:03:05,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 05:03:06,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 05:03:06,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:03:06,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 05:03:06,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:03:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:03:07,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:03:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:03:09,432 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:03:09,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629873252] [2021-11-07 05:03:09,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629873252] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 05:03:09,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:03:09,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 39 [2021-11-07 05:03:09,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270525981] [2021-11-07 05:03:09,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-07 05:03:09,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:03:09,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-07 05:03:09,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=1193, Unknown=0, NotChecked=0, Total=1482 [2021-11-07 05:03:09,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:09,435 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:03:09,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.538461538461538) internal successors, (177), 39 states have internal predecessors, (177), 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) [2021-11-07 05:03:09,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:09,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:03:09,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:09,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:03:09,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:03:09,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:03:09,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:03:09,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:03:09,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:09,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:03:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:03:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:03:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:03:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:03:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:03:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:12,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:12,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 05:03:12,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 [2021-11-07 05:03:12,524 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 05:03:12,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:03:12,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1219415952, now seen corresponding path program 4 times [2021-11-07 05:03:12,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-07 05:03:12,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912621004] [2021-11-07 05:03:12,526 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 05:03:12,526 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 05:03:12,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat [2021-11-07 05:03:12,527 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 05:03:12,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_392c1dc0-a312-454b-875c-f46d79c3fc59/bin/ugemcutter-iGDDIIUDf3/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 05:03:13,727 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 05:03:13,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:03:13,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-07 05:03:13,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:03:13,858 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 [2021-11-07 05:03:14,757 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-07 05:03:14,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-11-07 05:03:16,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 05:03:16,784 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-07 05:03:16,785 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 56 treesize of output 39 [2021-11-07 05:03:18,211 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-07 05:03:18,211 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 69 treesize of output 42 [2021-11-07 05:03:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:03:18,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 05:03:31,551 WARN L207 SmtUtils]: Spent 6.53 s on a formula simplification that was a NOOP. DAG size: 52 [2021-11-07 05:03:42,783 WARN L207 SmtUtils]: Spent 10.50 s on a formula simplification that was a NOOP. DAG size: 48 [2021-11-07 05:03:43,504 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 05:03:43,504 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 1233 treesize of output 1125 [2021-11-07 05:04:52,069 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 05:04:52,069 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 940 treesize of output 884 [2021-11-07 05:05:33,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2021-11-07 05:05:35,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 05:05:35,368 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-07 05:05:35,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912621004] [2021-11-07 05:05:35,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912621004] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 05:05:35,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:05:35,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 64 [2021-11-07 05:05:35,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130907897] [2021-11-07 05:05:35,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2021-11-07 05:05:35,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-07 05:05:35,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-11-07 05:05:35,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=3559, Unknown=3, NotChecked=0, Total=4032 [2021-11-07 05:05:35,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:35,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:05:35,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 3.234375) internal successors, (207), 64 states have internal predecessors, (207), 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) [2021-11-07 05:05:35,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:35,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 05:05:35,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:35,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-07 05:05:35,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-07 05:05:35,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:05:35,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:35,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:05:35,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:35,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:05:35,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:57,381 WARN L207 SmtUtils]: Spent 6.33 s on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2021-11-07 05:07:35,833 WARN L207 SmtUtils]: Spent 25.67 s on a formula simplification. DAG size of input: 62 DAG size of output: 57