./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r --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 4c475d56613186560380fd7710c1a393bef46e366024d2f60e26aa83cc625627 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:42:34,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:42:34,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:42:34,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:42:35,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:42:35,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:42:35,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:42:35,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:42:35,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:42:35,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:42:35,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:42:35,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:42:35,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:42:35,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:42:35,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:42:35,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:42:35,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:42:35,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:42:35,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:42:35,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:42:35,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:42:35,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:42:35,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:42:35,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:42:35,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:42:35,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:42:35,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:42:35,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:42:35,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:42:35,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:42:35,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:42:35,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:42:35,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:42:35,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:42:35,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:42:35,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:42:35,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:42:35,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:42:35,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:42:35,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:42:35,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:42:35,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:42:35,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:42:35,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:42:35,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:42:35,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:42:35,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:42:35,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:42:35,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:42:35,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:42:35,137 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:42:35,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:42:35,137 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:42:35,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:42:35,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:42:35,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:42:35,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:42:35,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:42:35,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:42:35,140 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:42:35,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:42:35,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:42:35,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:42:35,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:42:35,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:42:35,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:42:35,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:42:35,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:42:35,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:42:35,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:42:35,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:42:35,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:42:35,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:42:35,145 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:42:35,145 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:42:35,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:42:35,146 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:42:35,146 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:42:35,146 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_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c475d56613186560380fd7710c1a393bef46e366024d2f60e26aa83cc625627 [2021-11-19 05:42:35,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:42:35,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:42:35,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:42:35,503 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:42:35,505 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:42:35,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2021-11-19 05:42:35,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/data/6e873b984/9134bebc3043484d9c2894ec1c7ddb0a/FLAGf907d649d [2021-11-19 05:42:36,362 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:42:36,363 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/sv-benchmarks/c/pthread/fib_unsafe-6.i [2021-11-19 05:42:36,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/data/6e873b984/9134bebc3043484d9c2894ec1c7ddb0a/FLAGf907d649d [2021-11-19 05:42:36,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/data/6e873b984/9134bebc3043484d9c2894ec1c7ddb0a [2021-11-19 05:42:36,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:42:36,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:42:36,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:42:36,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:42:36,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:42:36,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:42:36" (1/1) ... [2021-11-19 05:42:36,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f34d425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:36, skipping insertion in model container [2021-11-19 05:42:36,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:42:36" (1/1) ... [2021-11-19 05:42:36,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:42:36,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:42:37,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/sv-benchmarks/c/pthread/fib_unsafe-6.i[30811,30824] [2021-11-19 05:42:37,266 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:42:37,279 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:42:37,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/sv-benchmarks/c/pthread/fib_unsafe-6.i[30811,30824] [2021-11-19 05:42:37,365 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:42:37,409 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:42:37,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37 WrapperNode [2021-11-19 05:42:37,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:42:37,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:42:37,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:42:37,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:42:37,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (1/1) ... [2021-11-19 05:42:37,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (1/1) ... [2021-11-19 05:42:37,464 INFO L137 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-19 05:42:37,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:42:37,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:42:37,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:42:37,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:42:37,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (1/1) ... [2021-11-19 05:42:37,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (1/1) ... [2021-11-19 05:42:37,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (1/1) ... [2021-11-19 05:42:37,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (1/1) ... [2021-11-19 05:42:37,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (1/1) ... [2021-11-19 05:42:37,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (1/1) ... [2021-11-19 05:42:37,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (1/1) ... [2021-11-19 05:42:37,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:42:37,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:42:37,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:42:37,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:42:37,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (1/1) ... [2021-11-19 05:42:37,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:42:37,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:42:37,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:42:37,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:42:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-19 05:42:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-19 05:42:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-19 05:42:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-19 05:42:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:42:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 05:42:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:42:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:42:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:42:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:42:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 05:42:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:42:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:42:37,631 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:42:37,814 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:42:37,816 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:42:38,066 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:42:38,075 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:42:38,075 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 05:42:38,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:42:38 BoogieIcfgContainer [2021-11-19 05:42:38,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:42:38,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:42:38,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:42:38,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:42:38,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:42:36" (1/3) ... [2021-11-19 05:42:38,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd49912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:42:38, skipping insertion in model container [2021-11-19 05:42:38,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:42:37" (2/3) ... [2021-11-19 05:42:38,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd49912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:42:38, skipping insertion in model container [2021-11-19 05:42:38,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:42:38" (3/3) ... [2021-11-19 05:42:38,098 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_unsafe-6.i [2021-11-19 05:42:38,104 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:42:38,105 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:42:38,105 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:42:38,105 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:42:38,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,140 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,140 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,141 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,141 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,142 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,142 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,143 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,143 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,144 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,144 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,144 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,145 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,145 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,145 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,145 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,148 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,149 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,149 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,150 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,150 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,151 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,152 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,153 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,153 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,156 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,158 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,158 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,178 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,178 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,179 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,179 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,183 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,183 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,183 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:42:38,185 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 05:42:38,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:42:38,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:42:38,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:42:38,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:42:38,307 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-19 05:42:38,316 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 [2021-11-19 05:42:38,316 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 05:42:38,501 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:42:38,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:42:38,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1927097680, now seen corresponding path program 1 times [2021-11-19 05:42:38,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:42:38,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497161464] [2021-11-19 05:42:38,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:38,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:42:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:42:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:38,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:42:38,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497161464] [2021-11-19 05:42:38,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497161464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:42:38,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:42:38,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:42:38,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241773222] [2021-11-19 05:42:38,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:42:38,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:42:38,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:42:38,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:42:38,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:42:38,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:38,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:42:38,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2021-11-19 05:42:38,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:38,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:42:38,969 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:42:38,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:42:38,975 INFO L85 PathProgramCache]: Analyzing trace with hash 560415153, now seen corresponding path program 1 times [2021-11-19 05:42:38,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:42:38,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555319160] [2021-11-19 05:42:38,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:38,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:42:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:42:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:39,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:42:39,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555319160] [2021-11-19 05:42:39,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555319160] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:42:39,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:42:39,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:42:39,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098386242] [2021-11-19 05:42:39,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:42:39,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:42:39,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:42:39,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:42:39,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:42:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:39,186 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:42:39,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-11-19 05:42:39,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:39,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:39,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:39,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:42:39,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:42:39,302 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:42:39,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:42:39,303 INFO L85 PathProgramCache]: Analyzing trace with hash -951035470, now seen corresponding path program 1 times [2021-11-19 05:42:39,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:42:39,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498928807] [2021-11-19 05:42:39,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:39,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:42:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:42:39,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:39,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:42:39,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498928807] [2021-11-19 05:42:39,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498928807] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:42:39,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807115776] [2021-11-19 05:42:39,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:39,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:42:39,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:42:39,497 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:42:39,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 05:42:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:42:39,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:42:39,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:42:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:39,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:42:40,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:40,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807115776] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:42:40,188 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:42:40,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-19 05:42:40,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606312152] [2021-11-19 05:42:40,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:42:40,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 05:42:40,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:42:40,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 05:42:40,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:42:40,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:40,192 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:42:40,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2021-11-19 05:42:40,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:40,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:42:40,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:40,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:42:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:42:40,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-19 05:42:40,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:42:40,612 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:42:40,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:42:40,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1666707666, now seen corresponding path program 2 times [2021-11-19 05:42:40,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:42:40,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226835659] [2021-11-19 05:42:40,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:40,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:42:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:42:40,789 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:40,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:42:40,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226835659] [2021-11-19 05:42:40,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226835659] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:42:40,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904507439] [2021-11-19 05:42:40,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:42:40,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:42:40,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:42:40,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:42:40,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 05:42:40,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:42:40,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:42:40,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:42:40,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:42:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:41,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:42:41,529 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:41,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904507439] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:42:41,530 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:42:41,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-19 05:42:41,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979358699] [2021-11-19 05:42:41,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:42:41,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-19 05:42:41,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:42:41,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-19 05:42:41,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-19 05:42:41,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:41,539 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:42:41,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 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) [2021-11-19 05:42:41,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:41,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:42:41,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:42:41,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:42:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:42:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:42:41,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:42:42,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:42:42,054 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:42:42,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:42:42,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1283180782, now seen corresponding path program 3 times [2021-11-19 05:42:42,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:42:42,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767330432] [2021-11-19 05:42:42,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:42,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:42:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:42:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:42,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:42:42,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767330432] [2021-11-19 05:42:42,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767330432] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:42:42,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441517793] [2021-11-19 05:42:42,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:42:42,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:42:42,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:42:42,396 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:42:42,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 05:42:42,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-19 05:42:42,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:42:42,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 05:42:42,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:42:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:42,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:42:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:43,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441517793] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:42:43,412 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:42:43,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2021-11-19 05:42:43,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362284420] [2021-11-19 05:42:43,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:42:43,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-19 05:42:43,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:42:43,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-19 05:42:43,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2021-11-19 05:42:43,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:43,416 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:42:43,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.935483870967742) internal successors, (153), 31 states have internal predecessors, (153), 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) [2021-11-19 05:42:43,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:43,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:42:43,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:42:43,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:42:43,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:44,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:42:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:42:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:42:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:42:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:42:44,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:42:44,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:42:44,320 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:42:44,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:42:44,321 INFO L85 PathProgramCache]: Analyzing trace with hash 2049692625, now seen corresponding path program 4 times [2021-11-19 05:42:44,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:42:44,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853239737] [2021-11-19 05:42:44,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:42:44,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:42:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:42:46,661 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:46,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:42:46,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853239737] [2021-11-19 05:42:46,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853239737] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:42:46,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489307458] [2021-11-19 05:42:46,662 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 05:42:46,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:42:46,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:42:46,668 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:42:46,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 05:42:46,777 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 05:42:46,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:42:46,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-19 05:42:46,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:42:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 486 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:42:52,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:50:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 649 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:50:52,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489307458] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:50:52,813 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:50:52,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 139 [2021-11-19 05:50:52,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665874528] [2021-11-19 05:50:52,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:50:52,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2021-11-19 05:50:52,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:50:52,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-11-19 05:50:52,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1221, Invalid=17836, Unknown=125, NotChecked=0, Total=19182 [2021-11-19 05:50:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:52,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:50:52,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 3.050359712230216) internal successors, (424), 139 states have internal predecessors, (424), 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) [2021-11-19 05:50:52,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:52,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:50:52,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:50:52,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:50:52,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:50:52,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:50:58,342 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~next~0 1)) (.cse3 (+ c_~cur~0 4 (* 2 c_~next~0))) (.cse2 (* c_~j~0 (- 1))) (.cse0 (* c_~i~0 (- 1))) (.cse7 (+ c_~next~0 c_~cur~0 2)) (.cse6 (+ c_~next~0 c_~cur~0))) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 c_~cur~0 1)) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~prev~0_24 c_~next~0) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (<= (div (+ .cse0 c_~cur~0 (- 3)) (- 2)) .cse1) (<= 1 c_~cur~0) (<= (div (+ .cse2 c_~cur~0 (- 3)) (- 2)) .cse1) (= c_~prev~0 1) (<= (div (+ .cse2 (- 9) c_~next~0 c_~cur~0) (- 2)) .cse3) (<= (div (+ (- 9) .cse0 c_~next~0 c_~cur~0) (- 2)) .cse3) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse4 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~cur~0_26 (+ c_~next~0 c_~cur~0)) (< aux_div_v_~cur~0_22_51 (+ .cse4 c_~next~0 1)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse4 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51)))))) (= c_~j~0 1) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 c_~cur~0 1)) (<= 2 aux_mod_v_~cur~0_22_51) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< v_~prev~0_24 c_~next~0) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (forall ((v_~cur~0_22 Int)) (or (< v_~cur~0_22 c_~next~0) (and (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~cur~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~cur~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))))) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse5 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< v_~cur~0_28 (+ c_~next~0 c_~cur~0)) (< aux_div_v_~cur~0_22_51 (+ .cse5 c_~next~0 v_~cur~0_28 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse5 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (< v_~cur~0_26 (+ c_~next~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_28 v_~cur~0_26))))) (= c_~i~0 1) (< c_~i~0 .cse6) (<= (div (+ .cse2 c_~next~0 (- 5)) (- 2)) .cse7) (forall ((v_~prev~0_24 Int)) (or (< v_~prev~0_24 c_~cur~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (< aux_mod_v_~next~0_20_56 0)))))) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (<= 2 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((v_~cur~0_26 Int)) (or (< v_~cur~0_26 c_~next~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse8 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse8 c_~cur~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse8 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse9 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse9 c_~cur~0 1)) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse9 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))))))) (<= (div (+ .cse0 c_~next~0 (- 5)) (- 2)) .cse7) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse10 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< v_~cur~0_28 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse10 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (< aux_div_v_~cur~0_22_51 (+ .cse10 c_~next~0 v_~cur~0_28 1)) (< v_~cur~0_26 (+ c_~next~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_28 v_~cur~0_26))))) (< c_~j~0 .cse6) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse11 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse11 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (< v_~cur~0_26 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< aux_div_v_~cur~0_22_51 (+ .cse11 c_~next~0 1)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))) (forall ((v_~cur~0_28 Int)) (or (< v_~cur~0_28 c_~next~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse12 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse12 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse12 c_~cur~0 v_~cur~0_28 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< v_~cur~0_26 (+ c_~cur~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_28 v_~cur~0_26))))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse13 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse13 c_~cur~0 v_~cur~0_28 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~cur~0_26 (+ c_~cur~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_28 v_~cur~0_26)) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse13 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)))))))) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))))))) is different from false [2021-11-19 05:51:02,485 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~next~0 1)) (.cse3 (+ c_~cur~0 4 (* 2 c_~next~0))) (.cse2 (* c_~j~0 (- 1))) (.cse0 (* c_~i~0 (- 1))) (.cse8 (+ c_~next~0 c_~cur~0 2)) (.cse7 (+ c_~next~0 c_~cur~0)) (.cse6 (* 144 c_~next~0))) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 c_~cur~0 1)) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~prev~0_24 c_~next~0) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (<= (div (+ .cse0 c_~cur~0 (- 3)) (- 2)) .cse1) (<= 1 c_~cur~0) (<= (div (+ .cse2 c_~cur~0 (- 3)) (- 2)) .cse1) (<= (div (+ .cse2 (- 9) c_~next~0 c_~cur~0) (- 2)) .cse3) (<= (div (+ (- 9) .cse0 c_~next~0 c_~cur~0) (- 2)) .cse3) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse4 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~cur~0_26 (+ c_~next~0 c_~cur~0)) (< aux_div_v_~cur~0_22_51 (+ .cse4 c_~next~0 1)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse4 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51)))))) (= c_~j~0 1) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 c_~cur~0 1)) (<= 2 aux_mod_v_~cur~0_22_51) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< v_~prev~0_24 c_~next~0) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (forall ((v_~cur~0_22 Int)) (or (< v_~cur~0_22 c_~next~0) (and (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~cur~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~cur~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))))) (<= c_~i~0 1) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse5 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< v_~cur~0_28 (+ c_~next~0 c_~cur~0)) (< aux_div_v_~cur~0_22_51 (+ .cse5 c_~next~0 v_~cur~0_28 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse5 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (< v_~cur~0_26 (+ c_~next~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_28 v_~cur~0_26))))) (= c_~i~0 1) (<= 1 c_~prev~0) (<= 2 c_~next~0) (<= 377 (+ .cse6 (* 89 c_~prev~0))) (< c_~i~0 .cse7) (<= (div (+ .cse2 c_~next~0 (- 5)) (- 2)) .cse8) (<= c_~j~0 1) (forall ((v_~prev~0_24 Int)) (or (< v_~prev~0_24 c_~cur~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (< aux_mod_v_~next~0_20_56 0)))))) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (<= 2 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((v_~cur~0_26 Int)) (or (< v_~cur~0_26 c_~next~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse9 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse9 c_~cur~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse9 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse10 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse10 c_~cur~0 1)) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse10 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))))))) (<= (div (+ .cse0 c_~next~0 (- 5)) (- 2)) .cse8) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse11 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< v_~cur~0_28 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse11 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (< aux_div_v_~cur~0_22_51 (+ .cse11 c_~next~0 v_~cur~0_28 1)) (< v_~cur~0_26 (+ c_~next~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_28 v_~cur~0_26))))) (< c_~j~0 .cse7) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse12 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse12 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (< v_~cur~0_26 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< aux_div_v_~cur~0_22_51 (+ .cse12 c_~next~0 1)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))) (<= 377 (+ (* 89 c_~cur~0) .cse6)) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))))))) is different from false [2021-11-19 05:51:04,836 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (* c_~i~0 (- 1))) (.cse4 (* c_~j~0 (- 1)))) (let ((.cse3 (+ c_~next~0 1)) (.cse0 (+ c_~next~0 c_~prev~0)) (.cse7 (+ c_~cur~0 4 (* 2 c_~next~0))) (.cse11 (+ c_~next~0 c_~prev~0 2)) (.cse1 (* 89 c_~prev~0)) (.cse12 (div (+ .cse4 c_~next~0 (- 5)) (- 2))) (.cse10 (div (+ .cse2 c_~next~0 (- 5)) (- 2))) (.cse15 (+ c_~next~0 c_~cur~0 2)) (.cse14 (+ c_~next~0 c_~cur~0)) (.cse13 (* 144 c_~next~0))) (and (< c_~i~0 .cse0) (<= 377 (+ .cse1 (* 144 c_~cur~0))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 c_~cur~0 1)) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~prev~0_24 c_~next~0) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (<= (div (+ .cse2 c_~cur~0 (- 3)) (- 2)) .cse3) (<= (div (+ .cse4 c_~cur~0 (- 3)) (- 2)) .cse3) (forall ((v_~cur~0_26 Int)) (or (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse5 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse5 c_~prev~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_div_v_~cur~0_22_51 (+ .cse5 c_~prev~0 1)) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~prev~0 v_~cur~0_26))))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse6 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse6 c_~prev~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_div_v_~cur~0_22_51 (+ .cse6 c_~prev~0 1)) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~prev~0 v_~cur~0_26)))))) (< v_~cur~0_26 c_~next~0))) (<= (div (+ .cse4 (- 9) c_~next~0 c_~cur~0) (- 2)) .cse7) (< c_~j~0 .cse0) (forall ((v_~cur~0_22 Int)) (or (< v_~cur~0_22 c_~next~0) (and (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~prev~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~prev~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))))) (<= (div (+ (- 9) .cse2 c_~next~0 c_~cur~0) (- 2)) .cse7) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse8 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~cur~0_26 (+ c_~next~0 c_~cur~0)) (< aux_div_v_~cur~0_22_51 (+ .cse8 c_~next~0 1)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse8 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51)))))) (= c_~j~0 1) (<= 2 c_~cur~0) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 c_~cur~0 1)) (<= 2 aux_mod_v_~cur~0_22_51) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< v_~prev~0_24 c_~next~0) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (forall ((v_~cur~0_22 Int)) (or (< v_~cur~0_22 c_~next~0) (and (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~cur~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~cur~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))))) (<= c_~i~0 1) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse9 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< v_~cur~0_28 (+ c_~next~0 c_~cur~0)) (< aux_div_v_~cur~0_22_51 (+ .cse9 c_~next~0 v_~cur~0_28 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse9 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (< v_~cur~0_26 (+ c_~next~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_28 v_~cur~0_26))))) (= c_~i~0 1) (<= 1 c_~prev~0) (<= .cse10 .cse11) (<= .cse12 .cse11) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) c_~prev~0) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) (* 3 c_~prev~0))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (<= 377 (+ .cse13 .cse1)) (< c_~i~0 .cse14) (<= .cse12 .cse15) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= 2 aux_mod_v_~next~0_20_56) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) c_~prev~0) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< aux_mod_v_~next~0_20_56 0) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) (* 3 c_~prev~0))))) (<= c_~j~0 1) (forall ((v_~prev~0_24 Int)) (or (< v_~prev~0_24 c_~cur~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (< aux_mod_v_~next~0_20_56 0)))))) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (<= 2 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((v_~cur~0_26 Int)) (or (< v_~cur~0_26 c_~next~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse16 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse16 c_~cur~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse16 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse17 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse17 c_~cur~0 1)) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse17 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))))))) (<= .cse10 .cse15) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse18 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< v_~cur~0_28 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse18 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (< aux_div_v_~cur~0_22_51 (+ .cse18 c_~next~0 v_~cur~0_28 1)) (< v_~cur~0_26 (+ c_~next~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_28 v_~cur~0_26))))) (< c_~j~0 .cse14) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse19 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse19 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (< v_~cur~0_26 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< aux_div_v_~cur~0_22_51 (+ .cse19 c_~next~0 1)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))) (<= 377 (+ (* 89 c_~cur~0) .cse13)) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56)))))))) is different from false [2021-11-19 05:51:08,127 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~next~0 1)) (.cse4 (+ c_~cur~0 4 (* 2 c_~next~0))) (.cse5 (* 89 c_~next~0)) (.cse0 (* 89 c_~prev~0)) (.cse3 (* c_~j~0 (- 1))) (.cse1 (* c_~i~0 (- 1))) (.cse10 (+ c_~next~0 c_~cur~0 2)) (.cse7 (* 55 c_~prev~0)) (.cse9 (+ c_~next~0 c_~cur~0)) (.cse13 (* 89 c_~cur~0)) (.cse8 (* 144 c_~next~0))) (and (<= 377 (+ .cse0 (* 144 c_~cur~0))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 c_~cur~0 1)) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~prev~0_24 c_~next~0) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (<= (div (+ .cse1 c_~cur~0 (- 3)) (- 2)) .cse2) (<= (div (+ .cse3 c_~cur~0 (- 3)) (- 2)) .cse2) (<= (div (+ .cse3 (- 9) c_~next~0 c_~cur~0) (- 2)) .cse4) (<= 3 c_~cur~0) (<= 2 c_~prev~0) (<= (div (+ (- 9) .cse1 c_~next~0 c_~cur~0) (- 2)) .cse4) (= c_~j~0 1) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 c_~cur~0 1)) (<= 2 aux_mod_v_~cur~0_22_51) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< v_~prev~0_24 c_~next~0) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (<= 3 c_~next~0) (<= 377 (+ .cse5 (* 55 c_~cur~0))) (forall ((v_~cur~0_22 Int)) (or (< v_~cur~0_22 c_~next~0) (and (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~cur~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~cur~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))))) (<= c_~i~0 1) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse6 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< v_~cur~0_28 (+ c_~next~0 c_~cur~0)) (< aux_div_v_~cur~0_22_51 (+ .cse6 c_~next~0 v_~cur~0_28 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse6 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (< v_~cur~0_26 (+ c_~next~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_28 v_~cur~0_26))))) (= c_~i~0 1) (<= 377 (+ .cse5 .cse7)) (<= 377 (+ .cse8 .cse0)) (< c_~i~0 .cse9) (<= (div (+ .cse3 c_~next~0 (- 5)) (- 2)) .cse10) (<= c_~j~0 1) (forall ((v_~prev~0_24 Int)) (or (< v_~prev~0_24 c_~cur~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (< aux_mod_v_~next~0_20_56 0)))))) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (<= 2 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((v_~cur~0_26 Int)) (or (< v_~cur~0_26 c_~next~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse11 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse11 c_~cur~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse11 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse12 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse12 c_~cur~0 1)) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse12 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))))))) (<= (div (+ .cse1 c_~next~0 (- 5)) (- 2)) .cse10) (<= 377 (+ .cse13 .cse7)) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse14 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< v_~cur~0_28 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse14 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (< aux_div_v_~cur~0_22_51 (+ .cse14 c_~next~0 v_~cur~0_28 1)) (< v_~cur~0_26 (+ c_~next~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_28 v_~cur~0_26))))) (< c_~j~0 .cse9) (<= 377 (+ .cse13 .cse8)) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))))))) is different from false [2021-11-19 05:51:23,097 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-19 05:51:23,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2021-11-19 05:51:23,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:51:23,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:51:23,298 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:829) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:133) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at java.base/java.lang.Iterable.spliterator(Iterable.java:101) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:197) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:127) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:91) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:64) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:440) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 53 more [2021-11-19 05:51:23,302 INFO L158 Benchmark]: Toolchain (without parser) took 526656.10ms. Allocated memory was 96.5MB in the beginning and 218.1MB in the end (delta: 121.6MB). Free memory was 60.9MB in the beginning and 107.1MB in the end (delta: -46.2MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2021-11-19 05:51:23,302 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:51:23,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.74ms. Allocated memory is still 96.5MB. Free memory was 60.7MB in the beginning and 63.1MB in the end (delta: -2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:51:23,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.32ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 61.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:51:23,304 INFO L158 Benchmark]: Boogie Preprocessor took 33.88ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 59.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:51:23,304 INFO L158 Benchmark]: RCFGBuilder took 578.79ms. Allocated memory is still 96.5MB. Free memory was 59.7MB in the beginning and 47.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 05:51:23,305 INFO L158 Benchmark]: TraceAbstraction took 525214.21ms. Allocated memory was 96.5MB in the beginning and 218.1MB in the end (delta: 121.6MB). Free memory was 47.2MB in the beginning and 107.1MB in the end (delta: -60.0MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2021-11-19 05:51:23,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.74ms. Allocated memory is still 96.5MB. Free memory was 60.7MB in the beginning and 63.1MB in the end (delta: -2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.32ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 61.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.88ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 59.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.79ms. Allocated memory is still 96.5MB. Free memory was 59.7MB in the beginning and 47.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 525214.21ms. Allocated memory was 96.5MB in the beginning and 218.1MB in the end (delta: 121.6MB). Free memory was 47.2MB in the beginning and 107.1MB in the end (delta: -60.0MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-19 05:51:23,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r --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 4c475d56613186560380fd7710c1a393bef46e366024d2f60e26aa83cc625627 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:51:25,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:51:25,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:51:25,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:51:25,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:51:25,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:51:25,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:51:25,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:51:25,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:51:25,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:51:25,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:51:25,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:51:25,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:51:25,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:51:25,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:51:25,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:51:25,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:51:25,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:51:25,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:51:25,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:51:25,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:51:25,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:51:25,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:51:25,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:51:25,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:51:25,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:51:25,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:51:25,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:51:25,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:51:25,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:51:25,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:51:25,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:51:25,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:51:25,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:51:25,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:51:25,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:51:25,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:51:25,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:51:25,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:51:25,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:51:25,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:51:25,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-19 05:51:25,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:51:25,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:51:25,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:51:25,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:51:25,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:51:25,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:51:25,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:51:25,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:51:25,750 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:51:25,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:51:25,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:51:25,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:51:25,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:51:25,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:51:25,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:51:25,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:51:25,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:51:25,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:51:25,753 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:51:25,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:51:25,754 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:51:25,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:51:25,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:51:25,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:51:25,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:51:25,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:51:25,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:51:25,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:51:25,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:51:25,756 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:51:25,756 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:51:25,756 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:51:25,757 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:51:25,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:51:25,757 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:51:25,757 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:51:25,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:51:25,758 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c475d56613186560380fd7710c1a393bef46e366024d2f60e26aa83cc625627 [2021-11-19 05:51:26,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:51:26,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:51:26,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:51:26,153 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:51:26,153 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:51:26,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2021-11-19 05:51:26,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/data/62dd65a26/1079aa05503744e282c8376f089d956e/FLAG812a3ce09 [2021-11-19 05:51:26,894 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:51:26,895 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/sv-benchmarks/c/pthread/fib_unsafe-6.i [2021-11-19 05:51:26,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/data/62dd65a26/1079aa05503744e282c8376f089d956e/FLAG812a3ce09 [2021-11-19 05:51:27,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/data/62dd65a26/1079aa05503744e282c8376f089d956e [2021-11-19 05:51:27,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:51:27,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:51:27,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:51:27,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:51:27,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:51:27,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440f2ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27, skipping insertion in model container [2021-11-19 05:51:27,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:51:27,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:51:27,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/sv-benchmarks/c/pthread/fib_unsafe-6.i[30811,30824] [2021-11-19 05:51:27,605 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:51:27,627 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:51:27,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/sv-benchmarks/c/pthread/fib_unsafe-6.i[30811,30824] [2021-11-19 05:51:27,698 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:51:27,741 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:51:27,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27 WrapperNode [2021-11-19 05:51:27,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:51:27,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:51:27,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:51:27,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:51:27,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,789 INFO L137 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-19 05:51:27,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:51:27,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:51:27,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:51:27,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:51:27,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:51:27,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:51:27,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:51:27,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:51:27,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (1/1) ... [2021-11-19 05:51:27,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:51:27,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:51:27,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:51:27,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:51:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-19 05:51:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-19 05:51:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-19 05:51:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-19 05:51:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 05:51:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:51:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:51:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:51:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 05:51:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 05:51:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 05:51:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:51:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:51:27,934 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:51:28,097 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:51:28,098 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:51:28,322 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:51:28,329 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:51:28,330 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 05:51:28,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:51:28 BoogieIcfgContainer [2021-11-19 05:51:28,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:51:28,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:51:28,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:51:28,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:51:28,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:51:27" (1/3) ... [2021-11-19 05:51:28,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f01f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:51:28, skipping insertion in model container [2021-11-19 05:51:28,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:51:27" (2/3) ... [2021-11-19 05:51:28,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f01f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:51:28, skipping insertion in model container [2021-11-19 05:51:28,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:51:28" (3/3) ... [2021-11-19 05:51:28,340 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_unsafe-6.i [2021-11-19 05:51:28,344 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:51:28,345 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:51:28,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:51:28,345 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:51:28,371 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,371 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,371 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,372 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,372 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,372 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,373 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,373 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,373 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,374 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,374 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,374 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,375 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,375 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,375 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,375 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,376 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,376 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,376 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,377 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,377 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,377 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,377 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,378 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,378 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,378 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,379 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,379 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,379 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,379 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,380 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,380 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,381 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,381 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,381 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,381 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,384 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,385 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,385 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,385 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,386 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,389 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,389 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,389 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,389 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,390 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:51:28,391 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 05:51:28,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:51:28,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:51:28,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:51:28,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:51:28,483 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-19 05:51:28,493 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 [2021-11-19 05:51:28,494 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 05:51:28,681 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:51:28,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:51:28,691 INFO L85 PathProgramCache]: Analyzing trace with hash -2078106083, now seen corresponding path program 1 times [2021-11-19 05:51:28,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:51:28,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050362387] [2021-11-19 05:51:28,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:51:28,718 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:51:28,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:51:28,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:51:28,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 05:51:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:51:28,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 05:51:28,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:51:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:29,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:51:29,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:29,197 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:51:29,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050362387] [2021-11-19 05:51:29,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050362387] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:51:29,198 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:51:29,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 05:51:29,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913203330] [2021-11-19 05:51:29,200 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:51:29,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:51:29,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:51:29,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:51:29,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:51:29,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:29,240 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:51:29,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2021-11-19 05:51:29,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:29,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:29,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:51:29,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:51:29,502 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:51:29,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:51:29,503 INFO L85 PathProgramCache]: Analyzing trace with hash -335295748, now seen corresponding path program 1 times [2021-11-19 05:51:29,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:51:29,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556933207] [2021-11-19 05:51:29,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:51:29,505 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:51:29,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:51:29,506 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:51:29,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 05:51:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:51:29,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:51:29,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:51:29,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:29,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:51:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:29,877 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:51:29,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556933207] [2021-11-19 05:51:29,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556933207] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:51:29,878 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:51:29,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 05:51:29,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188666332] [2021-11-19 05:51:29,881 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:51:29,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:51:29,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:51:29,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:51:29,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:51:29,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:29,888 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:51:29,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-11-19 05:51:29,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:29,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:29,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:29,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:29,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:51:30,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:51:30,179 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:51:30,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:51:30,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2079289939, now seen corresponding path program 1 times [2021-11-19 05:51:30,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:51:30,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849529256] [2021-11-19 05:51:30,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:51:30,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:51:30,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:51:30,182 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:51:30,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 05:51:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:51:30,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:51:30,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:51:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:30,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:51:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:30,575 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:51:30,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849529256] [2021-11-19 05:51:30,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849529256] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:51:30,576 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:51:30,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-19 05:51:30,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286267870] [2021-11-19 05:51:30,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:51:30,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:51:30,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:51:30,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:51:30,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:51:30,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:30,579 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:51:30,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:51:30,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:30,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:30,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:30,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:30,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:30,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:51:30,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:51:30,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:51:30,890 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:51:30,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:51:30,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2004568781, now seen corresponding path program 2 times [2021-11-19 05:51:30,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:51:30,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335771027] [2021-11-19 05:51:30,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:51:30,892 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:51:30,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:51:30,895 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:51:30,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 05:51:31,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:51:31,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:51:31,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-19 05:51:31,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:51:32,017 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:32,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:51:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:33,418 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:51:33,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335771027] [2021-11-19 05:51:33,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335771027] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:51:33,419 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:51:33,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2021-11-19 05:51:33,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274319543] [2021-11-19 05:51:33,419 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:51:33,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-19 05:51:33,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:51:33,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-19 05:51:33,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2021-11-19 05:51:33,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:33,422 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:51:33,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.75) internal successors, (133), 28 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) [2021-11-19 05:51:33,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:33,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:33,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:51:33,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:34,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:51:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:51:34,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:51:35,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:51:35,071 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:51:35,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:51:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash 655519081, now seen corresponding path program 1 times [2021-11-19 05:51:35,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:51:35,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812030760] [2021-11-19 05:51:35,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:51:35,072 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:51:35,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:51:35,077 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:51:35,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 05:51:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:51:35,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:51:35,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:51:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:35,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:51:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:35,696 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:51:35,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812030760] [2021-11-19 05:51:35,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1812030760] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:51:35,697 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:51:35,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-19 05:51:35,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128880786] [2021-11-19 05:51:35,699 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:51:35,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-19 05:51:35,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:51:35,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-19 05:51:35,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-19 05:51:35,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:35,701 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:51:35,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.625) internal successors, (106), 16 states have internal predecessors, (106), 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) [2021-11-19 05:51:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:51:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-19 05:51:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:51:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:51:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:51:36,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:51:36,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:51:36,742 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:51:36,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:51:36,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1738646259, now seen corresponding path program 3 times [2021-11-19 05:51:36,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:51:36,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685491917] [2021-11-19 05:51:36,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:51:36,744 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:51:36,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:51:36,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:51:36,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 05:51:36,884 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-19 05:51:36,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:51:36,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-19 05:51:36,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:51:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:40,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:51:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:51:46,149 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:51:46,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685491917] [2021-11-19 05:51:46,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685491917] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:51:46,150 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:51:46,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2021-11-19 05:51:46,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467910856] [2021-11-19 05:51:46,150 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:51:46,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2021-11-19 05:51:46,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:51:46,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-11-19 05:51:46,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=2399, Unknown=0, NotChecked=0, Total=2652 [2021-11-19 05:51:46,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:46,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:51:46,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.6346153846153846) internal successors, (189), 52 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:51:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:51:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:51:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:51:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:52,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:51:52,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:51:52,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:51:52,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-19 05:51:52,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:51:52,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:51:52,510 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:51:52,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:51:52,510 INFO L85 PathProgramCache]: Analyzing trace with hash -715506308, now seen corresponding path program 1 times [2021-11-19 05:51:52,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:51:52,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435425100] [2021-11-19 05:51:52,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:51:52,511 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:51:52,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:51:52,512 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:51:52,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 05:51:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:51:52,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 05:51:52,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:51:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 05:51:53,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:51:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 05:51:53,848 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:51:53,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435425100] [2021-11-19 05:51:53,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435425100] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:51:53,848 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:51:53,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-11-19 05:51:53,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989249195] [2021-11-19 05:51:53,849 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:51:53,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-19 05:51:53,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:51:53,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-19 05:51:53,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=819, Unknown=0, NotChecked=0, Total=992 [2021-11-19 05:51:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:53,859 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:51:53,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 5.15625) internal successors, (165), 32 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:51:53,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:51:53,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:51:53,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:51:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:51:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:51:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-19 05:51:53,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:52:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:52:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:52:01,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:52:01,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:52:01,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:52:01,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-19 05:52:01,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:52:01,452 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:52:01,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:52:01,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1606020324, now seen corresponding path program 4 times [2021-11-19 05:52:01,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:52:01,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008943748] [2021-11-19 05:52:01,453 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-19 05:52:01,453 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:52:01,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:52:01,454 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:52:01,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 05:52:01,541 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-19 05:52:01,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:52:01,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-19 05:52:01,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:52:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:52:15,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:52:46,406 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:52:46,406 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:52:46,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008943748] [2021-11-19 05:52:46,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008943748] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:52:46,406 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:52:46,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 94 [2021-11-19 05:52:46,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185358453] [2021-11-19 05:52:46,407 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:52:46,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2021-11-19 05:52:46,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:52:46,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2021-11-19 05:52:46,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=778, Invalid=7964, Unknown=0, NotChecked=0, Total=8742 [2021-11-19 05:52:46,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:46,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:52:46,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 3.0531914893617023) internal successors, (287), 94 states have internal predecessors, (287), 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) [2021-11-19 05:52:46,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:52:46,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:52:46,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:52:46,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:52:46,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:52:46,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:52:46,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:52:46,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:53:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:53:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:53:47,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:53:47,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:53:47,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:53:47,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:53:47,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:53:47,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:53:47,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:53:48,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:53:48,170 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:53:48,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:53:48,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1100567221, now seen corresponding path program 2 times [2021-11-19 05:53:48,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:53:48,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160468817] [2021-11-19 05:53:48,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:53:48,171 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:53:48,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:53:48,172 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:53:48,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 05:53:48,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-19 05:53:48,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:53:48,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:53:48,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:53:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2021-11-19 05:53:48,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:53:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2021-11-19 05:53:48,708 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:53:48,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160468817] [2021-11-19 05:53:48,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1160468817] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:53:48,709 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:53:48,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 05:53:48,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936113403] [2021-11-19 05:53:48,709 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:53:48,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:53:48,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:53:48,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:53:48,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:53:48,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:53:48,711 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:53:48,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2021-11-19 05:53:48,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:53:48,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:53:48,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:53:48,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:53:48,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:53:48,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:53:48,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:53:48,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:53:48,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:53:48,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:53:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:53:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:53:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:53:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:53:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:53:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:53:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:53:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:53:48,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:53:49,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:53:49,108 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:53:49,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:53:49,108 INFO L85 PathProgramCache]: Analyzing trace with hash 666129502, now seen corresponding path program 1 times [2021-11-19 05:53:49,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:53:49,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148289327] [2021-11-19 05:53:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:53:49,109 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:53:49,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:53:49,110 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:53:49,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 05:53:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:53:49,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:53:49,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:53:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2021-11-19 05:53:49,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:53:49,692 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2021-11-19 05:53:49,692 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:53:49,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148289327] [2021-11-19 05:53:49,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148289327] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:53:49,693 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:53:49,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-19 05:53:49,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556303481] [2021-11-19 05:53:49,693 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:53:49,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:53:49,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:53:49,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:53:49,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:53:49,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:53:49,695 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:53:49,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2021-11-19 05:53:49,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:53:49,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:53:49,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:53:49,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:53:49,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:53:49,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:53:49,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:53:49,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:53:49,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:53:49,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:53:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:53:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:53:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:53:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:53:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:53:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:53:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:53:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:53:49,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:53:49,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:53:49,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:53:49,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:53:49,993 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:53:49,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:53:49,994 INFO L85 PathProgramCache]: Analyzing trace with hash 840129403, now seen corresponding path program 1 times [2021-11-19 05:53:49,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:53:49,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656352288] [2021-11-19 05:53:49,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:53:49,995 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:53:49,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:53:49,996 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:53:49,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 05:53:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:53:50,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-19 05:53:50,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:54:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:54:06,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:54:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:54:47,625 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:54:47,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656352288] [2021-11-19 05:54:47,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656352288] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:54:47,626 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:54:47,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50] total 98 [2021-11-19 05:54:47,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573135888] [2021-11-19 05:54:47,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:54:47,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2021-11-19 05:54:47,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:54:47,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-11-19 05:54:47,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=770, Invalid=8736, Unknown=0, NotChecked=0, Total=9506 [2021-11-19 05:54:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:54:47,632 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:54:47,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 3.1122448979591835) internal successors, (305), 98 states have internal predecessors, (305), 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) [2021-11-19 05:54:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:54:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:54:47,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:54:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:54:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:54:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:54:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:54:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:54:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:54:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:54:47,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:02,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:56:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:56:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:56:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:56:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:56:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:56:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:56:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:02,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-19 05:56:02,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 05:56:02,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:56:02,683 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:56:02,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:56:02,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1893827559, now seen corresponding path program 1 times [2021-11-19 05:56:02,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:56:02,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123620534] [2021-11-19 05:56:02,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:56:02,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:56:02,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:56:02,685 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:56:02,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 05:56:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:56:02,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:56:02,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:56:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2021-11-19 05:56:03,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:56:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2021-11-19 05:56:03,554 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:56:03,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123620534] [2021-11-19 05:56:03,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123620534] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:56:03,554 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:56:03,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-19 05:56:03,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345490330] [2021-11-19 05:56:03,555 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:56:03,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-19 05:56:03,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:56:03,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-19 05:56:03,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-19 05:56:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:03,556 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:56:03,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.5) internal successors, (104), 16 states have internal predecessors, (104), 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) [2021-11-19 05:56:03,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:03,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:56:03,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:03,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:56:03,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:56:03,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:56:03,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:56:03,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:56:03,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:56:03,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:03,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-19 05:56:03,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:03,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:56:03,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:56:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:56:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 05:56:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-19 05:56:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-19 05:56:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:56:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:56:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:56:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-19 05:56:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-19 05:56:03,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 05:56:04,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 [2021-11-19 05:56:04,097 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-19 05:56:04,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:56:04,097 INFO L85 PathProgramCache]: Analyzing trace with hash 39572319, now seen corresponding path program 2 times [2021-11-19 05:56:04,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:56:04,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107841184] [2021-11-19 05:56:04,098 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:56:04,098 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:56:04,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat [2021-11-19 05:56:04,099 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:56:04,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0970f1d9-0aa7-4dd4-a01c-1543b64f566c/bin/ugemcutter-Ozs8LMUF8r/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 05:56:04,239 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:56:04,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:56:04,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-19 05:56:04,248 INFO L286 TraceCheckSpWp]: Computing forward predicates...