./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 19:00:22,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 19:00:22,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 19:00:22,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 19:00:22,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 19:00:22,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 19:00:22,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 19:00:22,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 19:00:22,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 19:00:22,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 19:00:22,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 19:00:22,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 19:00:22,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 19:00:22,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 19:00:22,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 19:00:22,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 19:00:22,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 19:00:22,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 19:00:22,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 19:00:22,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 19:00:22,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 19:00:22,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 19:00:22,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 19:00:22,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 19:00:22,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 19:00:22,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 19:00:22,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 19:00:22,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 19:00:22,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 19:00:22,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 19:00:22,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 19:00:22,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 19:00:22,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 19:00:22,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 19:00:22,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 19:00:22,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 19:00:22,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 19:00:22,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 19:00:22,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 19:00:23,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 19:00:23,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 19:00:23,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-13 19:00:23,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 19:00:23,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 19:00:23,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 19:00:23,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 19:00:23,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 19:00:23,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 19:00:23,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 19:00:23,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 19:00:23,048 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 19:00:23,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 19:00:23,050 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 19:00:23,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 19:00:23,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 19:00:23,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 19:00:23,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 19:00:23,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 19:00:23,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 19:00:23,051 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 19:00:23,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 19:00:23,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 19:00:23,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 19:00:23,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 19:00:23,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 19:00:23,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 19:00:23,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 19:00:23,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:00:23,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 19:00:23,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 19:00:23,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 19:00:23,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 19:00:23,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 19:00:23,055 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 19:00:23,056 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 19:00:23,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 19:00:23,056 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 19:00:23,056 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 19:00:23,056 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_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-13 19:00:23,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 19:00:23,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 19:00:23,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 19:00:23,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 19:00:23,417 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 19:00:23,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-13 19:00:23,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/data/90af2f287/978b3f43c27f464999a2f7b09902d4c9/FLAG833d30595 [2021-11-13 19:00:24,057 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 19:00:24,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/sv-benchmarks/c/pthread/stack-1.i [2021-11-13 19:00:24,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/data/90af2f287/978b3f43c27f464999a2f7b09902d4c9/FLAG833d30595 [2021-11-13 19:00:24,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/data/90af2f287/978b3f43c27f464999a2f7b09902d4c9 [2021-11-13 19:00:24,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 19:00:24,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 19:00:24,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:24,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 19:00:24,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 19:00:24,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:24" (1/1) ... [2021-11-13 19:00:24,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b63a432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:24, skipping insertion in model container [2021-11-13 19:00:24,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:00:24" (1/1) ... [2021-11-13 19:00:24,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 19:00:24,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 19:00:25,002 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_43b71601-5e03-46ca-85cf-869473095a00/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-13 19:00:25,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 19:00:25,062 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 19:00:25,121 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_43b71601-5e03-46ca-85cf-869473095a00/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-13 19:00:25,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 19:00:25,229 INFO L208 MainTranslator]: Completed translation [2021-11-13 19:00:25,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25 WrapperNode [2021-11-13 19:00:25,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 19:00:25,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 19:00:25,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 19:00:25,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 19:00:25,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (1/1) ... [2021-11-13 19:00:25,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (1/1) ... [2021-11-13 19:00:25,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 19:00:25,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 19:00:25,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 19:00:25,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 19:00:25,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (1/1) ... [2021-11-13 19:00:25,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (1/1) ... [2021-11-13 19:00:25,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (1/1) ... [2021-11-13 19:00:25,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (1/1) ... [2021-11-13 19:00:25,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (1/1) ... [2021-11-13 19:00:25,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (1/1) ... [2021-11-13 19:00:25,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (1/1) ... [2021-11-13 19:00:25,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 19:00:25,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 19:00:25,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 19:00:25,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 19:00:25,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (1/1) ... [2021-11-13 19:00:25,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:00:25,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:25,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:25,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 19:00:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-13 19:00:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-13 19:00:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-13 19:00:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-13 19:00:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 19:00:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 19:00:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 19:00:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 19:00:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 19:00:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 19:00:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 19:00:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 19:00:25,492 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 19:00:26,054 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 19:00:26,054 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 19:00:26,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:00:26 BoogieIcfgContainer [2021-11-13 19:00:26,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 19:00:26,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 19:00:26,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 19:00:26,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 19:00:26,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 07:00:24" (1/3) ... [2021-11-13 19:00:26,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a2b0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:00:26, skipping insertion in model container [2021-11-13 19:00:26,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:00:25" (2/3) ... [2021-11-13 19:00:26,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a2b0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:00:26, skipping insertion in model container [2021-11-13 19:00:26,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:00:26" (3/3) ... [2021-11-13 19:00:26,067 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-1.i [2021-11-13 19:00:26,072 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 19:00:26,073 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 19:00:26,073 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 19:00:26,073 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 19:00:26,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,133 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,133 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,133 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,133 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,142 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,142 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,142 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,142 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,143 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,143 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,143 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,144 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,144 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,144 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,144 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,145 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,145 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,145 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,145 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,146 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,146 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,146 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,146 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,147 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,147 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,147 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,148 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,148 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,148 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,148 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,149 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,149 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,149 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,150 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,150 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,150 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,150 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,151 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,151 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,151 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,151 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,151 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,152 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,152 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,152 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,152 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,153 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,153 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,153 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,153 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,155 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,155 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,155 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,156 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,157 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,157 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,157 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,157 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,158 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,159 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,159 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,159 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,159 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,163 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,164 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,164 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,165 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,166 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,166 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,167 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,167 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,167 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,167 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,168 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,168 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,169 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,169 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,169 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,169 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,169 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,172 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,172 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,172 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,172 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,172 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,173 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,173 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,173 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,173 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,173 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,174 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,174 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,174 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,174 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,176 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,177 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,177 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,177 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,177 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,178 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,178 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,178 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,178 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,178 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,178 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,179 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,179 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,179 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,179 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,179 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,180 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,180 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,180 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,180 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,181 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,181 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,181 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,181 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,181 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,182 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,182 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,182 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,182 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,182 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,183 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,183 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,183 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,183 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,183 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,185 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,185 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,185 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,185 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,185 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,185 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,187 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,187 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,190 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,190 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,191 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,192 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,192 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,192 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,192 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,192 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,193 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,194 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,195 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,198 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,198 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,199 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,199 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,199 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,199 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,199 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,199 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,200 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,200 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,200 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,200 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,200 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,200 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,201 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,201 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,201 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,201 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:00:26,204 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-13 19:00:26,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 19:00:26,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:26,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:26,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 19:00:26,312 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2021-11-13 19:00:26,323 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 [2021-11-13 19:00:26,323 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 19:00:26,552 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:26,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:26,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1517659377, now seen corresponding path program 1 times [2021-11-13 19:00:26,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:26,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376182726] [2021-11-13 19:00:26,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:26,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:26,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:26,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:26,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376182726] [2021-11-13 19:00:26,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376182726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:26,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:26,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 19:00:26,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675789146] [2021-11-13 19:00:26,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:26,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 19:00:26,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:26,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 19:00:26,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 19:00:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:26,838 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:26,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2021-11-13 19:00:26,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:26,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 19:00:26,860 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:26,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:26,861 INFO L85 PathProgramCache]: Analyzing trace with hash -387529043, now seen corresponding path program 1 times [2021-11-13 19:00:26,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:26,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051433846] [2021-11-13 19:00:26,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:26,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:27,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:27,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051433846] [2021-11-13 19:00:27,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051433846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:27,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:27,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 19:00:27,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742224520] [2021-11-13 19:00:27,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:27,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 19:00:27,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:27,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 19:00:27,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 19:00:27,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:27,028 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:27,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-11-13 19:00:27,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:27,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:27,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:27,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:27,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 19:00:27,091 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:27,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:27,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1019912990, now seen corresponding path program 1 times [2021-11-13 19:00:27,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:27,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730356870] [2021-11-13 19:00:27,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:27,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:27,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:27,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730356870] [2021-11-13 19:00:27,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730356870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:27,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:27,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 19:00:27,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359348984] [2021-11-13 19:00:27,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:27,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 19:00:27,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:27,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 19:00:27,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 19:00:27,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:27,188 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:27,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-11-13 19:00:27,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:27,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:27,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:27,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:27,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:27,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 19:00:27,255 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:27,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:27,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1559571970, now seen corresponding path program 1 times [2021-11-13 19:00:27,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:27,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666403027] [2021-11-13 19:00:27,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:27,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:27,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:27,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666403027] [2021-11-13 19:00:27,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666403027] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:27,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48749321] [2021-11-13 19:00:27,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:27,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:27,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:27,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:27,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 19:00:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:27,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 19:00:27,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:28,079 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:28,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:28,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48749321] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:28,400 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:28,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-13 19:00:28,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267520716] [2021-11-13 19:00:28,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:28,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 19:00:28,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:28,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 19:00:28,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-13 19:00:28,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:28,406 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:28,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 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) [2021-11-13 19:00:28,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:28,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:28,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:28,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:28,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:28,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:28,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:28,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:28,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:28,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:28,786 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:28,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:28,787 INFO L85 PathProgramCache]: Analyzing trace with hash -194388500, now seen corresponding path program 2 times [2021-11-13 19:00:28,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:28,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391511100] [2021-11-13 19:00:28,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:28,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:29,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:29,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391511100] [2021-11-13 19:00:29,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391511100] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:29,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575442979] [2021-11-13 19:00:29,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:00:29,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:29,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:29,034 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:29,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 19:00:29,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:00:29,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:29,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 19:00:29,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:29,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 12 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:30,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575442979] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:30,115 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:30,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2021-11-13 19:00:30,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579645117] [2021-11-13 19:00:30,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:30,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 19:00:30,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:30,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 19:00:30,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-13 19:00:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:30,122 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:30,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 24.846153846153847) internal successors, (323), 13 states have internal predecessors, (323), 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) [2021-11-13 19:00:30,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:30,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:30,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:30,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:30,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:30,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:30,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:30,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:30,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:30,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:30,489 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:30,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:30,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1725244630, now seen corresponding path program 3 times [2021-11-13 19:00:30,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:30,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503224736] [2021-11-13 19:00:30,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:30,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 365 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:30,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:30,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503224736] [2021-11-13 19:00:30,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503224736] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:30,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056703743] [2021-11-13 19:00:30,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:00:30,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:30,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:30,821 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:30,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 19:00:31,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-13 19:00:31,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:31,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 19:00:31,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 530 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:31,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 19:00:31,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056703743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:31,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 19:00:31,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-11-13 19:00:31,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741992135] [2021-11-13 19:00:31,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:31,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 19:00:31,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:31,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 19:00:31,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-11-13 19:00:31,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:31,634 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:31,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 21.23076923076923) internal successors, (276), 13 states have internal predecessors, (276), 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) [2021-11-13 19:00:31,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:31,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:32,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:32,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:00:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:00:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 19:00:32,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:32,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-13 19:00:32,632 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:32,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:32,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1642666017, now seen corresponding path program 1 times [2021-11-13 19:00:32,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:32,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193349615] [2021-11-13 19:00:32,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:32,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-11-13 19:00:32,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:32,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193349615] [2021-11-13 19:00:32,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193349615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:32,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:32,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 19:00:32,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408011914] [2021-11-13 19:00:32,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:32,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 19:00:32,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:32,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 19:00:32,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 19:00:32,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:32,733 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:32,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2021-11-13 19:00:32,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:32,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:32,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:32,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:00:32,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:00:32,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-13 19:00:32,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:00:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:00:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 19:00:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:32,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 19:00:32,807 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:32,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:32,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1325508472, now seen corresponding path program 1 times [2021-11-13 19:00:32,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:32,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201765110] [2021-11-13 19:00:32,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:32,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 307 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 19:00:33,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:33,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201765110] [2021-11-13 19:00:33,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201765110] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:33,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942606657] [2021-11-13 19:00:33,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:33,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:33,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:33,088 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:33,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 19:00:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:33,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 19:00:33,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 307 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 19:00:33,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:34,584 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 307 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 19:00:34,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942606657] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:34,588 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:34,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 17 [2021-11-13 19:00:34,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015979247] [2021-11-13 19:00:34,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:34,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-13 19:00:34,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:34,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-13 19:00:34,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2021-11-13 19:00:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:34,593 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:34,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 25.705882352941178) internal successors, (437), 17 states have internal predecessors, (437), 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) [2021-11-13 19:00:34,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:34,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:34,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:34,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:00:34,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:00:34,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-13 19:00:34,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:34,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 19:00:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 19:00:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-13 19:00:35,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:35,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:35,624 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:35,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:35,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1893319928, now seen corresponding path program 2 times [2021-11-13 19:00:35,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:35,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388645788] [2021-11-13 19:00:35,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:35,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 282 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 19:00:35,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:35,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388645788] [2021-11-13 19:00:35,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388645788] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:35,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293272655] [2021-11-13 19:00:35,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:00:35,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:35,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:35,816 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:35,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 19:00:35,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:00:35,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:35,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 19:00:35,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:36,638 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 282 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 19:00:36,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 16 proven. 282 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-13 19:00:37,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293272655] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:37,316 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:37,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 15 [2021-11-13 19:00:37,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796915280] [2021-11-13 19:00:37,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:37,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-13 19:00:37,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:37,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-13 19:00:37,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-11-13 19:00:37,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:37,320 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:37,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 27.4) internal successors, (411), 15 states have internal predecessors, (411), 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) [2021-11-13 19:00:37,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:37,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:37,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:37,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:37,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-13 19:00:37,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-13 19:00:37,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:37,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-13 19:00:37,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 19:00:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 19:00:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 19:00:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-13 19:00:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 19:00:38,399 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 19:00:38,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:38,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:38,630 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2021-11-13 19:00:38,633 INFO L308 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE (1/3) [2021-11-13 19:00:38,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 19:00:38,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:38,653 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:38,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2021-11-13 19:00:38,659 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-13 19:00:38,660 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 [2021-11-13 19:00:38,660 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-13 19:00:38,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-11-13 19:00:38,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 2 remaining) [2021-11-13 19:00:38,783 INFO L732 BasicCegarLoop]: Path program histogram: [] [2021-11-13 19:00:38,784 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2021-11-13 19:00:38,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 19:00:38,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:38,809 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 19:00:38,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2021-11-13 19:00:38,816 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2021-11-13 19:00:38,817 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 [2021-11-13 19:00:38,817 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 19:00:38,873 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:38,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:38,874 INFO L85 PathProgramCache]: Analyzing trace with hash 742735478, now seen corresponding path program 1 times [2021-11-13 19:00:38,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:38,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567268338] [2021-11-13 19:00:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:38,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:38,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:38,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567268338] [2021-11-13 19:00:38,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567268338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:38,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:38,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 19:00:38,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055723256] [2021-11-13 19:00:38,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:38,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 19:00:38,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:38,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 19:00:38,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 19:00:38,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:38,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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) [2021-11-13 19:00:38,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 19:00:38,902 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:38,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:38,902 INFO L85 PathProgramCache]: Analyzing trace with hash 773755285, now seen corresponding path program 1 times [2021-11-13 19:00:38,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:38,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930908810] [2021-11-13 19:00:38,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:38,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:38,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:38,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930908810] [2021-11-13 19:00:38,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930908810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:38,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:38,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 19:00:38,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597759186] [2021-11-13 19:00:38,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:38,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 19:00:38,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:38,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 19:00:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 19:00:38,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,929 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:38,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-11-13 19:00:38,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:38,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:38,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 19:00:38,963 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:38,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:38,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1793834916, now seen corresponding path program 1 times [2021-11-13 19:00:38,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:38,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323599972] [2021-11-13 19:00:38,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:38,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:39,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:39,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323599972] [2021-11-13 19:00:39,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323599972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:39,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:39,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 19:00:39,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565865651] [2021-11-13 19:00:39,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:39,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 19:00:39,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:39,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 19:00:39,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 19:00:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,007 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:39,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-13 19:00:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-13 19:00:39,060 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:39,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:39,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1970412771, now seen corresponding path program 1 times [2021-11-13 19:00:39,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:39,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37550687] [2021-11-13 19:00:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:39,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:39,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:39,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37550687] [2021-11-13 19:00:39,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37550687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:39,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:39,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 19:00:39,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787500170] [2021-11-13 19:00:39,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:39,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 19:00:39,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:39,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 19:00:39,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 19:00:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,099 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:39,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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) [2021-11-13 19:00:39,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:39,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-13 19:00:39,193 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:39,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:39,193 INFO L85 PathProgramCache]: Analyzing trace with hash -500493664, now seen corresponding path program 1 times [2021-11-13 19:00:39,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:39,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518158336] [2021-11-13 19:00:39,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:39,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:39,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:39,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518158336] [2021-11-13 19:00:39,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518158336] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:39,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351180617] [2021-11-13 19:00:39,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:39,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:39,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:39,248 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:39,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-13 19:00:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:39,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 19:00:39,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 19:00:39,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 19:00:39,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351180617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:39,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 19:00:39,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-13 19:00:39,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685508212] [2021-11-13 19:00:39,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:39,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 19:00:39,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:39,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 19:00:39,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:00:39,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,559 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:39,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2021-11-13 19:00:39,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:39,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:39,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:39,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:39,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:39,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-13 19:00:39,815 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:39,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:39,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1801544941, now seen corresponding path program 1 times [2021-11-13 19:00:39,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:39,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045089095] [2021-11-13 19:00:39,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:39,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:39,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:39,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045089095] [2021-11-13 19:00:39,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045089095] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:39,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354184585] [2021-11-13 19:00:39,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:39,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:39,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:39,876 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:39,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-13 19:00:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:39,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 19:00:39,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:40,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:40,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354184585] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:40,533 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:40,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-13 19:00:40,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422604226] [2021-11-13 19:00:40,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:40,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 19:00:40,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:40,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 19:00:40,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-13 19:00:40,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,535 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:40,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:40,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:40,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:40,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:40,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:40,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:40,820 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:40,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:40,821 INFO L85 PathProgramCache]: Analyzing trace with hash 836195564, now seen corresponding path program 1 times [2021-11-13 19:00:40,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:40,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267409704] [2021-11-13 19:00:40,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:40,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 19:00:40,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:40,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267409704] [2021-11-13 19:00:40,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267409704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:40,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:40,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 19:00:40,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270431634] [2021-11-13 19:00:40,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:40,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 19:00:40,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:40,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 19:00:40,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 19:00:40,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,864 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:40,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2021-11-13 19:00:40,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:40,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:00:40,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:40,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-13 19:00:40,941 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:40,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:40,941 INFO L85 PathProgramCache]: Analyzing trace with hash -203510253, now seen corresponding path program 1 times [2021-11-13 19:00:40,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:40,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368368265] [2021-11-13 19:00:40,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:40,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 19:00:41,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:41,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368368265] [2021-11-13 19:00:41,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368368265] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:41,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658302317] [2021-11-13 19:00:41,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:41,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:41,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:41,056 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:41,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-13 19:00:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:41,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 19:00:41,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 19:00:41,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 56 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 19:00:42,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658302317] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:42,003 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:42,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-13 19:00:42,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639787240] [2021-11-13 19:00:42,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:42,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 19:00:42,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:42,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 19:00:42,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-13 19:00:42,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:42,005 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:42,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 33.1) internal successors, (331), 10 states have internal predecessors, (331), 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) [2021-11-13 19:00:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:42,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:42,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:42,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:00:42,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:42,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-13 19:00:42,320 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:42,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:42,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1672815977, now seen corresponding path program 2 times [2021-11-13 19:00:42,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:42,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468871901] [2021-11-13 19:00:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:42,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:42,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:42,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468871901] [2021-11-13 19:00:42,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468871901] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:42,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174548412] [2021-11-13 19:00:42,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:00:42,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:42,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:42,438 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:42,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-13 19:00:42,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:00:42,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:42,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 19:00:42,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:43,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:43,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174548412] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:43,474 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:43,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2021-11-13 19:00:43,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916604788] [2021-11-13 19:00:43,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:43,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 19:00:43,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:43,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 19:00:43,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-13 19:00:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:43,477 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:43,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 22.76923076923077) internal successors, (296), 13 states have internal predecessors, (296), 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) [2021-11-13 19:00:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:43,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:43,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:43,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:43,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:43,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:43,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:00:43,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:00:43,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:43,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:43,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-13 19:00:43,828 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:43,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:43,829 INFO L85 PathProgramCache]: Analyzing trace with hash 954695913, now seen corresponding path program 2 times [2021-11-13 19:00:43,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:43,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460608088] [2021-11-13 19:00:43,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:43,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 130 proven. 180 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 19:00:43,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:43,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460608088] [2021-11-13 19:00:43,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460608088] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:43,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664173095] [2021-11-13 19:00:43,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:00:43,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:43,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:43,972 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:43,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-13 19:00:44,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:00:44,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:44,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 19:00:44,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 130 proven. 180 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 19:00:44,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:00:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 130 proven. 180 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 19:00:45,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664173095] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:00:45,363 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:00:45,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2021-11-13 19:00:45,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066835523] [2021-11-13 19:00:45,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:00:45,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 19:00:45,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:45,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 19:00:45,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-13 19:00:45,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:45,369 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:00:45,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 30.615384615384617) internal successors, (398), 13 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 19:00:45,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:45,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:45,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:45,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:45,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:45,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:45,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:45,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:00:45,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:45,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:45,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:00:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:00:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:00:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:00:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:00:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:00:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:00:45,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-13 19:00:45,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:45,748 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:45,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:45,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1480554687, now seen corresponding path program 3 times [2021-11-13 19:00:45,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:45,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514442062] [2021-11-13 19:00:45,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:45,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:00:47,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:47,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514442062] [2021-11-13 19:00:47,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514442062] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:00:47,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103262479] [2021-11-13 19:00:47,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:00:47,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:00:47,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:00:47,181 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:00:47,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-13 19:00:47,294 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 19:00:47,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:00:47,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-13 19:00:47,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:00:48,559 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 64 treesize of output 60 [2021-11-13 19:00:49,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-13 19:02:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-11-13 19:02:01,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 19:02:01,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103262479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:02:01,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 19:02:01,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [32] total 52 [2021-11-13 19:02:01,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562117052] [2021-11-13 19:02:01,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:02:01,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-13 19:02:01,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:02:01,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-13 19:02:01,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2499, Unknown=33, NotChecked=0, Total=2652 [2021-11-13 19:02:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:01,393 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:02:01,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.363636363636363) internal successors, (162), 22 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) [2021-11-13 19:02:01,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:01,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:01,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:01,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:01,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:01,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:02:01,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:01,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:02:01,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:02:01,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:02:01,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:02:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:02:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:02:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:02:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:02:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:02:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:02:22,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-13 19:02:22,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-13 19:02:22,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:02:22,379 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:02:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:02:22,380 INFO L85 PathProgramCache]: Analyzing trace with hash 718951796, now seen corresponding path program 1 times [2021-11-13 19:02:22,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:02:22,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776908285] [2021-11-13 19:02:22,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:02:22,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:02:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:02:24,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:02:24,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776908285] [2021-11-13 19:02:24,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776908285] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:02:24,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789860423] [2021-11-13 19:02:24,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:02:24,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:02:24,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:02:24,276 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:02:24,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-13 19:02:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:24,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-13 19:02:24,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:02:25,658 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 64 treesize of output 60 [2021-11-13 19:02:26,992 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 19:02:26,992 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 77 treesize of output 49 [2021-11-13 19:02:28,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-13 19:02:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 242 proven. 66 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 19:02:29,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:02:32,345 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| |c_t1Thread1of1ForFork0_get_top_#res#1|))) is different from false [2021-11-13 19:02:58,519 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_71| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| c_~top~0) (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_71| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_71|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) is different from false [2021-11-13 19:03:24,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2021-11-13 19:03:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 242 proven. 62 refuted. 0 times theorem prover too weak. 147 trivial. 4 not checked. [2021-11-13 19:03:25,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789860423] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:03:25,636 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:03:25,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 29, 29] total 90 [2021-11-13 19:03:25,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257581629] [2021-11-13 19:03:25,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:03:25,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2021-11-13 19:03:25,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:03:25,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-11-13 19:03:25,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=7345, Unknown=17, NotChecked=346, Total=8010 [2021-11-13 19:03:25,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:25,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:03:25,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 7.833333333333333) internal successors, (705), 90 states have internal predecessors, (705), 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) [2021-11-13 19:03:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:03:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:03:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:03:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:03:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:03:25,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:03:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:03:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:03:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:03:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-13 19:03:25,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:03:31,293 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296))) (let ((.cse2 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4)))) (.cse1 (<= 5 .cse3)) (.cse0 (< .cse3 5))) (and (<= 1 c_~top~0) .cse0 (or (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse2 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse2 (- 4294967296)) (+ (div (+ (* .cse2 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_71| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| c_~top~0) (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_71| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_71|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse2) (<= c_~top~0 1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse1) (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:03:32,343 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))))) (and (<= 1 c_~top~0) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse0 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_71| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| c_~top~0) (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_71| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_71|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse0) (<= c_~top~0 1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296))) is different from false [2021-11-13 19:03:34,793 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))))) (and (<= 1 c_~top~0) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse0) (<= c_~top~0 1) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0))) is different from false [2021-11-13 19:03:38,663 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse5 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse6 (* c_~top~0 4))) (let ((.cse3 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 4)))) (.cse0 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 8)))) (.cse2 (<= 5 .cse4)) (.cse1 (< .cse4 5))) (and (<= 0 .cse0) .cse1 (or (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse3 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse3 (- 4294967296)) (+ (div (+ (* .cse3 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= 2 c_~top~0) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_71| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| c_~top~0) (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_71| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_71|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= c_~top~0 2) (<= 0 .cse3) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse2) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:03:39,672 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))))) (and (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse0 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (<= 2 c_~top~0) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_71| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| c_~top~0) (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_71| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_71|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= c_~top~0 2) (<= 0 .cse0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296))) is different from false [2021-11-13 19:03:42,138 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))))) (and (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= 2 c_~top~0) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= c_~top~0 2) (<= 0 .cse0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0))) is different from false [2021-11-13 19:03:45,734 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse5 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse6 (* c_~top~0 4))) (let ((.cse3 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 4)))) (.cse0 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 8)))) (.cse2 (<= 5 .cse4)) (.cse1 (< .cse4 5))) (and (<= 0 .cse0) (<= c_~top~0 3) (or (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse3 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div .cse3 (- 4294967296)) (+ (div (+ (* .cse3 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_71| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| c_~top~0) (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_71| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_71|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (<= |c_t1Thread1of1ForFork0_~tmp~0#1| (+ (* 4294967296 (div |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) 4)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (<= |c_t1Thread1of1ForFork0_push_#in~x#1| 4) (<= |c_t1Thread1of1ForFork0_push_~x#1| 4) (<= 0 .cse3) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (<= 3 c_~top~0) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse2) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:03:46,619 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))))) (and (<= c_~top~0 3) (< .cse0 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_71| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| c_~top~0) (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_71| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_71|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (<= |c_t1Thread1of1ForFork0_push_#in~x#1| 4) (<= 0 .cse0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (<= 3 c_~top~0))) is different from false [2021-11-13 19:03:49,004 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))))) (and (<= c_~top~0 3) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (<= |c_t1Thread1of1ForFork0_get_top_#res#1| 3) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= 3 |c_t1Thread1of1ForFork0_get_top_#res#1|) (<= |c_t1Thread1of1ForFork0_push_#in~x#1| 4) (<= |c_t1Thread1of1ForFork0_push_~x#1| 4) (<= 0 .cse0) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (<= 3 c_~top~0) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|))) is different from false [2021-11-13 19:03:52,339 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse8 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse6 (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|)) (.cse7 (+ |c_~#arr~0.offset| 12))) (let ((.cse4 (select (store .cse6 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |c_t1Thread1of1ForFork0_push_#t~ret38#1| 4)) |c_t1Thread1of1ForFork0_push_~x#1|) .cse7)) (.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8)))) (.cse3 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) .cse7)) (.cse2 (<= 5 .cse8)) (.cse1 (< .cse8 5)) (.cse5 (select .cse6 .cse7))) (and (<= 0 .cse0) .cse1 (or (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= c_~top~0 4) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= 0 .cse3) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_71| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| c_~top~0) (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_71| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_71|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (<= .cse4 4) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse4) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (<= .cse3 4) (<= 4 c_~top~0) (<= .cse5 4) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= (+ |c_~#arr~0.offset| 16) (* 4 c_~top~0)) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse2) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1))) (<= 0 .cse5)))) is different from false [2021-11-13 19:03:53,238 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |c_~#arr~0.offset| 12)))) (and (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= c_~top~0 4) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= 0 .cse0) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int) (|v_t1Thread1of1ForFork0_push_~stack#1.offset_71| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| c_~top~0) (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_71| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |v_t1Thread1of1ForFork0_push_~stack#1.offset_71|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (<= .cse0 4) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= (+ |c_~#arr~0.offset| 16) (* 4 c_~top~0)))) is different from false [2021-11-13 19:03:55,666 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|)) (.cse3 (+ |c_~#arr~0.offset| 12))) (let ((.cse0 (select (store .cse2 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |c_t1Thread1of1ForFork0_push_#t~ret38#1| 4)) |c_t1Thread1of1ForFork0_push_~x#1|) .cse3)) (.cse1 (select .cse2 .cse3))) (and (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (<= (+ |c_~#arr~0.offset| 16) (* 4 |c_t1Thread1of1ForFork0_get_top_#res#1|)) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= c_~top~0 4) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= .cse0 4) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse0) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (<= 4 c_~top~0) (<= .cse1 4) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_88| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| 4) |c_t1Thread1of1ForFork0_push_~stack#1.offset|) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_88| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0) (<= 0 .cse1)))) is different from false [2021-11-13 19:04:03,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:04:03,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:04:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:04:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:04:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:04:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:04:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:04:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:04:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:04:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:04:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-13 19:04:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-11-13 19:04:03,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-13 19:04:03,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:04:03,479 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:04:03,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:04:03,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2027629409, now seen corresponding path program 2 times [2021-11-13 19:04:03,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:04:03,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833355039] [2021-11-13 19:04:03,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:04:03,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:04:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:04:05,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:04:05,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833355039] [2021-11-13 19:04:05,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833355039] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:04:05,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110705788] [2021-11-13 19:04:05,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:04:05,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:04:05,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:04:05,804 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:04:05,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-13 19:04:05,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 19:04:05,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:04:05,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-13 19:04:05,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:04:07,020 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 64 treesize of output 60 [2021-11-13 19:04:08,309 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 19:04:08,309 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 77 treesize of output 49 [2021-11-13 19:04:09,299 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 19:04:09,299 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 77 treesize of output 49 [2021-11-13 19:04:11,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-13 19:04:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 255 proven. 209 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-13 19:04:11,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:04:15,437 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_94| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_94| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_94| |c_t1Thread1of1ForFork0_get_top_#res#1|))) is different from false [2021-11-13 19:05:23,974 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_97| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_97| |c_t1Thread1of1ForFork0_get_top_#res#1|))) is different from false [2021-11-13 19:06:42,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2021-11-13 19:06:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 255 proven. 206 refuted. 0 times theorem prover too weak. 56 trivial. 3 not checked. [2021-11-13 19:06:43,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110705788] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:06:43,821 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:06:43,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 36, 36] total 109 [2021-11-13 19:06:43,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729989822] [2021-11-13 19:06:43,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:06:43,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2021-11-13 19:06:43,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:06:43,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2021-11-13 19:06:43,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=10919, Unknown=46, NotChecked=422, Total=11772 [2021-11-13 19:06:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:43,829 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:06:43,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 8.20183486238532) internal successors, (894), 109 states have internal predecessors, (894), 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) [2021-11-13 19:06:43,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:43,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:06:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:06:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:06:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:06:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:06:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:06:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:06:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:06:43,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-13 19:06:43,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-11-13 19:06:43,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:06:51,632 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296))) (let ((.cse2 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4)))) (.cse1 (<= 5 .cse3)) (.cse0 (< .cse3 5))) (and (<= 1 c_~top~0) .cse0 (or (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse2 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse2 (- 4294967296)) (+ (div (+ (* .cse2 (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_97| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_97| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse2) (<= c_~top~0 1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse1) (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:06:57,797 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse5 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse6 (* c_~top~0 4))) (let ((.cse3 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 4)))) (.cse0 (select .cse5 (+ |c_~#arr~0.offset| .cse6 (- 8)))) (.cse2 (<= 5 .cse4)) (.cse1 (< .cse4 5))) (and (<= 0 .cse0) (or (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse3 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div .cse3 (- 4294967296)) (+ (div (+ (* .cse3 (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_97| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_97| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_94| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_94| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_94| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= 2 c_~top~0) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (<= |c_t1Thread1of1ForFork0_~tmp~0#1| (+ (* 4294967296 (div |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) 4)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (<= |c_t1Thread1of1ForFork0_push_#in~x#1| 4) (<= |c_t1Thread1of1ForFork0_push_~x#1| 4) (<= c_~top~0 2) (<= 0 .cse3) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (<= |c_t1Thread1of1ForFork0_get_top_#res#1| 2) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (<= 2 |c_t1Thread1of1ForFork0_get_top_#res#1|) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse2) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:07:05,542 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse7 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse10 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse11 (* c_~top~0 4)) (.cse8 (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|)) (.cse9 (+ |c_~#arr~0.offset| 8))) (let ((.cse0 (select .cse8 .cse9)) (.cse5 (select .cse10 (+ |c_~#arr~0.offset| .cse11 (- 12)))) (.cse1 (select .cse10 (+ |c_~#arr~0.offset| .cse11 (- 8)))) (.cse3 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) .cse9)) (.cse6 (select (store .cse8 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |c_t1Thread1of1ForFork0_push_#t~ret38#1| 4)) |c_t1Thread1of1ForFork0_push_~x#1|) .cse9)) (.cse4 (<= 5 .cse7)) (.cse2 (< .cse7 5))) (and (<= 0 .cse0) (<= 0 .cse1) (<= c_~top~0 3) .cse2 (<= .cse3 4) (or (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse4 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse5 4294967296) (<= .cse6 4) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= 0 .cse5) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_97| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_97| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_94| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_94| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_94| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= .cse0 4) (<= (+ |c_~#arr~0.offset| 12) (* 4 |c_t1Thread1of1ForFork0_get_top_#res#1|)) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div .cse1 (- 4294967296)) (+ (div (+ 4 (* .cse1 (- 1))) 4294967296) 1)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse5 (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse1 4294967296) (<= 3 c_~top~0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= 0 .cse3) (<= 0 .cse6) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse4) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:07:14,019 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse8 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse11 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse12 (* c_~top~0 4)) (.cse9 (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|)) (.cse10 (+ |c_~#arr~0.offset| 8))) (let ((.cse0 (select .cse9 .cse10)) (.cse5 (select .cse11 (+ |c_~#arr~0.offset| .cse12 (- 4)))) (.cse6 (select .cse11 (+ |c_~#arr~0.offset| .cse12 (- 12)))) (.cse2 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) .cse10)) (.cse7 (select (store .cse9 (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |c_t1Thread1of1ForFork0_push_#t~ret38#1| 4)) |c_t1Thread1of1ForFork0_push_~x#1|) .cse10)) (.cse4 (+ |c_~#arr~0.offset| 16)) (.cse3 (<= 5 .cse8)) (.cse1 (< .cse8 5))) (and (<= 0 .cse0) .cse1 (<= .cse2 4) (or (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse3 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (<= .cse4 (* 4 |c_t1Thread1of1ForFork0_get_top_#res#1|)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse5 4294967296) (< .cse6 4294967296) (<= .cse7 4) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= c_~top~0 4) (<= 0 .cse6) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse5 (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_97| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_97| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_97| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_94| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_94| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_94| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= .cse0 4) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse5) (< (div .cse6 (- 4294967296)) (+ (div (+ (* .cse6 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (<= 4 c_~top~0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (<= 0 .cse2) (<= 0 .cse7) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (<= .cse4 (* 4 c_~top~0)) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse3) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:07:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:07:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:07:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:07:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:07:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:07:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:07:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:07:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:07:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:07:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:07:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-13 19:07:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-11-13 19:07:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-13 19:07:29,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-13 19:07:30,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-13 19:07:30,080 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:07:30,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:07:30,081 INFO L85 PathProgramCache]: Analyzing trace with hash -634360428, now seen corresponding path program 3 times [2021-11-13 19:07:30,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:07:30,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951058223] [2021-11-13 19:07:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:07:30,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:07:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 620 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:07:32,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:07:32,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951058223] [2021-11-13 19:07:32,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951058223] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:07:32,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826672656] [2021-11-13 19:07:32,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:07:32,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:07:32,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:07:32,554 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:07:32,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-13 19:07:32,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-13 19:07:32,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:07:32,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-13 19:07:32,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:07:33,703 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 64 treesize of output 60 [2021-11-13 19:07:34,802 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 19:07:34,802 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 77 treesize of output 49 [2021-11-13 19:07:35,774 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 19:07:35,774 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 77 treesize of output 49 [2021-11-13 19:07:36,786 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-13 19:07:36,786 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 77 treesize of output 49 [2021-11-13 19:07:39,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-13 19:07:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 184 proven. 429 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 19:07:39,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:07:43,733 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_103| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 12))) 4294967296)))))) is different from false [2021-11-13 19:07:44,829 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_103| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 12))) 4294967296))))) is different from false [2021-11-13 19:08:58,148 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| |c_t1Thread1of1ForFork0_get_top_#res#1|))) is different from false [2021-11-13 19:08:59,163 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294)))) is different from false [2021-11-13 19:10:11,831 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296)))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| |c_t1Thread1of1ForFork0_get_top_#res#1|))) is different from false [2021-11-13 19:10:13,002 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) is different from false [2021-11-13 19:11:21,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2021-11-13 19:11:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 184 proven. 393 refuted. 0 times theorem prover too weak. 7 trivial. 36 not checked. [2021-11-13 19:11:22,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826672656] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 19:11:22,480 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 19:11:22,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45, 43] total 130 [2021-11-13 19:11:22,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488453393] [2021-11-13 19:11:22,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 19:11:22,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2021-11-13 19:11:22,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:11:22,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2021-11-13 19:11:22,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=14757, Unknown=62, NotChecked=1494, Total=16770 [2021-11-13 19:11:22,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:11:22,486 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:11:22,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 8.330769230769231) internal successors, (1083), 130 states have internal predecessors, (1083), 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) [2021-11-13 19:11:22,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:11:22,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:11:22,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:11:22,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:11:22,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:11:22,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:11:22,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:11:22,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:11:22,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:11:22,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:11:22,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-13 19:11:22,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-11-13 19:11:22,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-13 19:11:22,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:11:28,834 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296))) (let ((.cse2 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4)))) (.cse1 (<= 5 .cse3)) (.cse0 (< .cse3 5))) (and (<= 1 c_~top~0) (or (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse2 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (< (div .cse2 (- 4294967296)) (+ (div (+ (* .cse2 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_t1Thread1of1ForFork0_~tmp~0#1| (+ (* 4294967296 (div |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) 4)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (<= |c_t1Thread1of1ForFork0_push_#in~x#1| 4) (<= 0 .cse2) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (<= c_~top~0 1) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse1) (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:11:29,674 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))))) (and (<= 1 c_~top~0) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_t1Thread1of1ForFork0_push_~x#1| 4) (<= 0 .cse0) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (<= c_~top~0 1) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))))) is different from false [2021-11-13 19:11:31,678 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))))) (and (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (<= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0) (< .cse0 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296)))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= |c_t1Thread1of1ForFork0_push_~x#1| 4) (<= 0 .cse0) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (<= c_~top~0 1) (<= 1 |c_t1Thread1of1ForFork0_get_top_#res#1|) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|))) is different from false [2021-11-13 19:11:37,041 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse6 (+ |c_~#arr~0.offset| 4))) (let ((.cse2 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) .cse6)) (.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8)))) (.cse4 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse6)) (.cse3 (<= 5 .cse5)) (.cse1 (< .cse5 5))) (and (<= 0 .cse0) .cse1 (<= .cse2 4) (or (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse3 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294)))) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (<= (+ |c_~#arr~0.offset| 8) (* 4 c_~top~0)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse2) (<= 0 .cse4) (<= c_~top~0 2) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (<= .cse4 4) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse3) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:11:38,486 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8)))) (.cse1 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_~#arr~0.offset| 4)))) (and (<= 0 .cse0) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294)))) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (<= (+ |c_~#arr~0.offset| 8) (* 4 c_~top~0)) (<= 0 .cse1) (<= c_~top~0 2) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (< .cse0 4294967296) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (<= .cse1 4))) is different from false [2021-11-13 19:11:40,492 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8)))) (.cse1 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_~#arr~0.offset| 4)))) (and (<= 0 .cse0) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (<= (+ |c_~#arr~0.offset| 8) (* 4 c_~top~0)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296)))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= 0 .cse1) (<= c_~top~0 2) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (< .cse0 4294967296) (<= |c_t1Thread1of1ForFork0_get_top_#res#1| 2) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (<= .cse1 4) (<= 2 |c_t1Thread1of1ForFork0_get_top_#res#1|) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0))) is different from false [2021-11-13 19:11:48,635 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse6 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse8 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse9 (* c_~top~0 4)) (.cse7 (+ |c_~#arr~0.offset| 4))) (let ((.cse1 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) .cse7)) (.cse3 (select .cse8 (+ |c_~#arr~0.offset| .cse9 (- 4)))) (.cse4 (select .cse8 (+ |c_~#arr~0.offset| .cse9 (- 12)))) (.cse5 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse7)) (.cse2 (<= 5 .cse6)) (.cse0 (< .cse6 5))) (and (<= c_~top~0 3) .cse0 (<= .cse1 4) (or (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse2 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< .cse3 4294967296) (< .cse4 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= 0 .cse4) (< (div .cse3 (- 4294967296)) (+ (div (+ (* .cse3 (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294)))) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse1) (<= 0 .cse5) (<= 0 .cse3) (< (div .cse4 (- 4294967296)) (+ (div (+ (* .cse4 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (<= 3 c_~top~0) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_103| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 12))) 4294967296))))) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (<= .cse5 4) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse2) (and .cse0 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:11:50,641 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse4 (* c_~top~0 4))) (let ((.cse0 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 4)))) (.cse1 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 12)))) (.cse2 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_~#arr~0.offset| 4)))) (and (<= c_~top~0 3) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (< .cse1 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= 0 .cse1) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294)))) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (<= 0 .cse2) (<= 0 .cse0) (< (div .cse1 (- 4294967296)) (+ (div (+ (* .cse1 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (<= 3 c_~top~0) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_103| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 12))) 4294967296))))) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (<= .cse2 4)))) is different from false [2021-11-13 19:11:52,648 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse4 (* c_~top~0 4))) (let ((.cse0 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 4)))) (.cse1 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 12)))) (.cse2 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_~#arr~0.offset| 4)))) (and (<= c_~top~0 3) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (< .cse1 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_103| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 12))) 4294967296)))))) (<= 0 .cse1) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse0 (- 4294967296)) (+ (div (+ (* .cse0 (- 1)) 4) 4294967296) 1)) (<= |c_t1Thread1of1ForFork0_get_top_#res#1| 3) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= 3 |c_t1Thread1of1ForFork0_get_top_#res#1|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296)))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= 0 .cse2) (<= 0 .cse0) (< (div .cse1 (- 4294967296)) (+ (div (+ (* .cse1 (- 1)) 4) 4294967296) 1)) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (<= 3 c_~top~0) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (<= .cse2 4) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0)))) is different from false [2021-11-13 19:12:02,338 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse7 (mod |c_t1Thread1of1ForFork0_~tmp~0#1| 4294967296)) (.cse9 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse10 (* c_~top~0 4)) (.cse8 (+ |c_~#arr~0.offset| 4))) (let ((.cse2 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) .cse8)) (.cse5 (select .cse9 (+ |c_~#arr~0.offset| .cse10 (- 4)))) (.cse0 (select .cse9 (+ |c_~#arr~0.offset| .cse10 (- 8)))) (.cse4 (select .cse9 (+ |c_~#arr~0.offset| (- 16) .cse10))) (.cse6 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) .cse8)) (.cse3 (<= 5 .cse7)) (.cse1 (< .cse7 5))) (and (<= 0 .cse0) .cse1 (<= .cse2 4) (or (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 1)) (and .cse3 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| 0))) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (<= 0 .cse4) (< .cse5 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_#in~x#1|) (<= c_~top~0 4) (< (div .cse5 (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294)))) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.offset| 0) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< .cse4 4294967296) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|) (< (div |c_t1Thread1of1ForFork0_push_#in~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_#in~x#1| (- 1)) 4) 4294967296) 1)) (<= 0 .cse2) (<= 0 .cse6) (<= 0 .cse5) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (= |c_t1Thread1of1ForFork0_push_#in~stack#1.base| |c_~#arr~0.base|) (< .cse0 4294967296) (< (div .cse4 (- 4294967296)) (+ (div (+ (* .cse4 (- 1)) 4) 4294967296) 1)) (< |c_t1Thread1of1ForFork0_push_#in~x#1| 4294967296) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_103| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 12))) 4294967296))))) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (<= .cse6 4) (<= (+ |c_~#arr~0.offset| 16) (* 4 c_~top~0)) (or (and (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 0) .cse3) (and .cse1 (= |c_t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| 1)))))) is different from false [2021-11-13 19:12:04,344 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse4 (* c_~top~0 4))) (let ((.cse1 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 4)))) (.cse0 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 8)))) (.cse2 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_~#arr~0.offset| 4)))) (and (<= 0 .cse0) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (< .cse1 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (<= c_~top~0 4) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse1 (- 4294967296)) (+ (div (+ (* .cse1 (- 1)) 4) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| c_~top~0) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294)))) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (<= 0 .cse2) (<= 0 .cse1) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (< .cse0 4294967296) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_103| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 12))) 4294967296))))) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int) (|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| c_~top~0) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296))))) (<= .cse2 4) (<= (+ |c_~#arr~0.offset| 16) (* 4 c_~top~0))))) is different from false [2021-11-13 19:12:06,351 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_~#arr~0.base|)) (.cse4 (* c_~top~0 4))) (let ((.cse1 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 4)))) (.cse0 (select .cse3 (+ |c_~#arr~0.offset| .cse4 (- 8)))) (.cse2 (select (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_~#arr~0.offset| 4)))) (and (<= 0 .cse0) (= |c_t1Thread1of1ForFork0_push_~stack#1.base| |c_~#arr~0.base|) (<= (+ |c_~#arr~0.offset| 16) (* 4 |c_t1Thread1of1ForFork0_get_top_#res#1|)) (< .cse1 4294967296) (= |c_~#arr~0.offset| 0) (<= 0 |c_t1Thread1of1ForFork0_push_~x#1|) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_103| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_103| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 12))) 4294967296)))))) (<= c_~top~0 4) (< (div |c_t1Thread1of1ForFork0_push_~x#1| (- 4294967296)) (+ (div (+ (* |c_t1Thread1of1ForFork0_push_~x#1| (- 1)) 4) 4294967296) 1)) (< (div .cse1 (- 4294967296)) (+ (div (+ (* .cse1 (- 1)) 4) 4294967296) 1)) (= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_106| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 8))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_106| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= |c_~#arr~0.offset| |c_t1Thread1of1ForFork0_push_~stack#1.offset|) (< |c_t1Thread1of1ForFork0_push_~x#1| 4294967296) (< (div .cse0 (- 4294967296)) (+ (div (+ 4 (* .cse0 (- 1))) 4294967296) 1)) (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_109| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 4))) 4294967296)))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_109| |c_t1Thread1of1ForFork0_get_top_#res#1|))) (<= 0 .cse2) (<= 0 .cse1) (= |c_t1Thread1of1ForFork0_push_~stack#1.offset| 0) (< .cse0 4294967296) (<= 4 c_~top~0) (<= c_~top~0 |c_t1Thread1of1ForFork0_get_top_#res#1|) (<= .cse2 4) (= |c_t1Thread1of1ForFork0_get_top_#res#1| c_~top~0)))) is different from false [2021-11-13 19:12:34,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:12:34,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:12:34,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:12:34,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:12:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:12:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 19:12:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 19:12:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 19:12:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 19:12:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 19:12:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-13 19:12:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-11-13 19:12:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-13 19:12:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-11-13 19:12:34,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-13 19:12:34,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:12:34,748 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:12:34,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:12:34,750 INFO L85 PathProgramCache]: Analyzing trace with hash -583088001, now seen corresponding path program 4 times [2021-11-13 19:12:34,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:12:34,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871699679] [2021-11-13 19:12:34,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:12:34,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:12:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:12:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 0 proven. 755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:12:37,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:12:37,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871699679] [2021-11-13 19:12:37,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871699679] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 19:12:37,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690258033] [2021-11-13 19:12:37,538 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 19:12:37,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:12:37,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 19:12:37,539 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:12:37,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43b71601-5e03-46ca-85cf-869473095a00/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-13 19:12:37,724 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 19:12:37,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 19:12:37,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-13 19:12:37,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 19:12:37,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-13 19:12:38,421 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 18 treesize of output 14 [2021-11-13 19:12:39,282 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-13 19:12:39,283 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 [2021-11-13 19:12:40,146 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-13 19:12:40,146 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 [2021-11-13 19:12:41,105 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-13 19:12:41,106 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 [2021-11-13 19:12:41,966 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-13 19:12:41,966 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 [2021-11-13 19:12:44,380 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-13 19:12:44,381 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 30 treesize of output 19 [2021-11-13 19:12:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 0 proven. 755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:12:44,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 19:12:48,661 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_115| Int)) (or (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_115| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (- 16) (* c_~top~0 4))) 4294967296) 4294967294))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_115| |c_t1Thread1of1ForFork0_get_top_#res#1|))) is different from false [2021-11-13 19:13:02,659 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_~stack#1.offset_89| Int) (|v_t1Thread1of1ForFork0_push_#t~ret38#1_115| Int) (|t1Thread1of1ForFork0_push_~x#1| Int)) (or (not (= 4294967294 (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_#in~stack#1.base|) (+ |v_t1Thread1of1ForFork0_push_~stack#1.offset_89| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_115| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (- 16) (* c_~top~0 4))) 4294967296))) (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_115| c_~top~0) (< |v_t1Thread1of1ForFork0_push_~stack#1.offset_89| |c_t1Thread1of1ForFork0_push_#in~stack#1.offset|))) is different from false [2021-11-13 19:13:30,720 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_push_#t~ret38#1_118| Int)) (or (< |v_t1Thread1of1ForFork0_push_#t~ret38#1_118| |c_t1Thread1of1ForFork0_get_top_#res#1|) (forall ((|t1Thread1of1ForFork0_push_~x#1| Int)) (not (= (mod (select (select (store |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_push_~stack#1.base|) (+ |c_t1Thread1of1ForFork0_push_~stack#1.offset| (* |v_t1Thread1of1ForFork0_push_#t~ret38#1_118| 4)) |t1Thread1of1ForFork0_push_~x#1|)) |c_~#arr~0.base|) (+ |c_~#arr~0.offset| (* c_~top~0 4) (- 12))) 4294967296) 4294967294))))) is different from false