./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/mult-dist.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/mult-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA --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 c22a326532494b0b5126a81d8882f3e958ed0a5a46e6da0f77df1a4da18ba846 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:59:39,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:59:39,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:59:39,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:59:39,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:59:39,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:59:39,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:59:39,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:59:39,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:59:39,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:59:39,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:59:39,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:59:39,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:59:39,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:59:39,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:59:39,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:59:39,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:59:39,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:59:39,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:59:39,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:59:39,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:59:39,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:59:39,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:59:39,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:59:39,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:59:39,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:59:39,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:59:39,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:59:39,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:59:39,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:59:39,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:59:39,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:59:39,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:59:39,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:59:39,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:59:39,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:59:39,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:59:39,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:59:39,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:59:39,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:59:39,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:59:39,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:59:39,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:59:39,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:59:39,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:59:39,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:59:39,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:59:39,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:59:39,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:59:39,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:59:39,473 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:59:39,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:59:39,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:59:39,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:59:39,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:59:39,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:59:39,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:59:39,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:59:39,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:59:39,476 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:59:39,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:59:39,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:59:39,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:59:39,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:59:39,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:59:39,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:59:39,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:59:39,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:59:39,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:59:39,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:59:39,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:59:39,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:59:39,481 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:59:39,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:59:39,482 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:59:39,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:59:39,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:59:39,483 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:59:39,483 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:59:39,484 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_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c22a326532494b0b5126a81d8882f3e958ed0a5a46e6da0f77df1a4da18ba846 [2021-12-07 09:59:39,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:59:39,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:59:39,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:59:39,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:59:39,760 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:59:39,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/weaver/mult-dist.wvr.c [2021-12-07 09:59:39,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/data/19297bb6a/3a80762782c843d08efa19c1b836271d/FLAGf0c6a8253 [2021-12-07 09:59:40,261 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:59:40,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/sv-benchmarks/c/weaver/mult-dist.wvr.c [2021-12-07 09:59:40,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/data/19297bb6a/3a80762782c843d08efa19c1b836271d/FLAGf0c6a8253 [2021-12-07 09:59:40,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/data/19297bb6a/3a80762782c843d08efa19c1b836271d [2021-12-07 09:59:40,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:59:40,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:59:40,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:59:40,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:59:40,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:59:40,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:40,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279ef5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40, skipping insertion in model container [2021-12-07 09:59:40,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:40,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:59:40,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:59:40,934 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_6ddd537f-72d8-4727-8fcd-398daeb9350d/sv-benchmarks/c/weaver/mult-dist.wvr.c[2116,2129] [2021-12-07 09:59:40,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:59:40,953 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:59:40,971 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_6ddd537f-72d8-4727-8fcd-398daeb9350d/sv-benchmarks/c/weaver/mult-dist.wvr.c[2116,2129] [2021-12-07 09:59:40,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:59:40,986 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:59:40,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40 WrapperNode [2021-12-07 09:59:40,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:59:40,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:59:40,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:59:40,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:59:40,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:41,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:41,020 INFO L137 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2021-12-07 09:59:41,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:59:41,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:59:41,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:59:41,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:59:41,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:41,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:41,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:41,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:41,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:41,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:41,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:41,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:59:41,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:59:41,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:59:41,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:59:41,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (1/1) ... [2021-12-07 09:59:41,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:59:41,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:59:41,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:59:41,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:59:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:59:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-07 09:59:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-07 09:59:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-07 09:59:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-07 09:59:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-07 09:59:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-07 09:59:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 09:59:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:59:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 09:59:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:59:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:59:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 09:59:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:59:41,150 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 09:59:41,285 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:59:41,286 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:59:41,582 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:59:41,590 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:59:41,590 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-07 09:59:41,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:59:41 BoogieIcfgContainer [2021-12-07 09:59:41,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 09:59:41,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 09:59:41,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 09:59:41,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 09:59:41,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:59:40" (1/3) ... [2021-12-07 09:59:41,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1807b0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:59:41, skipping insertion in model container [2021-12-07 09:59:41,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:59:40" (2/3) ... [2021-12-07 09:59:41,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1807b0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:59:41, skipping insertion in model container [2021-12-07 09:59:41,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:59:41" (3/3) ... [2021-12-07 09:59:41,600 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2021-12-07 09:59:41,605 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 09:59:41,605 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 09:59:41,605 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 09:59:41,605 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 09:59:41,634 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,635 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,635 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,635 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,635 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,636 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,637 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,637 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,638 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,638 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,639 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,639 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,640 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,640 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,640 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,640 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,642 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,642 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,643 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,643 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,644 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,644 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,644 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,645 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,645 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,645 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,645 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,646 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,646 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,646 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,646 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,647 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,647 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,647 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,647 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,647 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,648 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,648 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,648 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,648 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,651 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,652 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,652 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,652 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,658 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,659 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:59:41,664 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-07 09:59:41,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 09:59:41,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:59:41,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 09:59:41,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-12-07 09:59:41,779 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-12-07 09:59:41,791 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 [2021-12-07 09:59:41,791 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-07 09:59:41,997 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:59:42,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:59:42,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1473668740, now seen corresponding path program 1 times [2021-12-07 09:59:42,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:59:42,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773901688] [2021-12-07 09:59:42,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:59:42,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:59:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:59:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:59:42,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:59:42,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773901688] [2021-12-07 09:59:42,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773901688] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:59:42,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:59:42,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:59:42,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728498377] [2021-12-07 09:59:42,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:59:42,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 09:59:42,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:59:42,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 09:59:42,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 09:59:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:42,274 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:59:42,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 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) [2021-12-07 09:59:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:42,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 09:59:42,350 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:59:42,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:59:42,353 INFO L85 PathProgramCache]: Analyzing trace with hash 957129534, now seen corresponding path program 1 times [2021-12-07 09:59:42,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:59:42,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204877708] [2021-12-07 09:59:42,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:59:42,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:59:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:59:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:59:42,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:59:42,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204877708] [2021-12-07 09:59:42,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204877708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:59:42,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:59:42,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 09:59:42,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023257286] [2021-12-07 09:59:42,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:59:42,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 09:59:42,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:59:42,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 09:59:42,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-07 09:59:42,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:42,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:59:42,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2021-12-07 09:59:42,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:42,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:42,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:42,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:59:42,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 09:59:42,938 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:59:42,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:59:42,939 INFO L85 PathProgramCache]: Analyzing trace with hash 994226257, now seen corresponding path program 1 times [2021-12-07 09:59:42,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:59:42,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831366359] [2021-12-07 09:59:42,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:59:42,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:59:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:59:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:59:43,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:59:43,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831366359] [2021-12-07 09:59:43,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831366359] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:59:43,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:59:43,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 09:59:43,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012183302] [2021-12-07 09:59:43,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:59:43,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 09:59:43,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:59:43,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 09:59:43,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-07 09:59:43,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:43,412 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:59:43,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2021-12-07 09:59:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:59:43,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:59:43,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:59:43,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 09:59:43,629 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:59:43,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:59:43,629 INFO L85 PathProgramCache]: Analyzing trace with hash 780569543, now seen corresponding path program 1 times [2021-12-07 09:59:43,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:59:43,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585884727] [2021-12-07 09:59:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:59:43,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:59:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:59:44,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:59:44,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:59:44,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585884727] [2021-12-07 09:59:44,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585884727] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:59:44,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:59:44,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 09:59:44,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594786776] [2021-12-07 09:59:44,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:59:44,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 09:59:44,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:59:44,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 09:59:44,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 09:59:44,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:44,049 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:59:44,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2021-12-07 09:59:44,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:44,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:59:44,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:59:44,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:44,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:44,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:59:44,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:59:44,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:59:44,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 09:59:44,320 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:59:44,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:59:44,320 INFO L85 PathProgramCache]: Analyzing trace with hash 46670056, now seen corresponding path program 1 times [2021-12-07 09:59:44,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:59:44,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802744945] [2021-12-07 09:59:44,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:59:44,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:59:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:59:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:59:44,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:59:44,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802744945] [2021-12-07 09:59:44,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802744945] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:59:44,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518915166] [2021-12-07 09:59:44,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:59:44,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:59:44,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:59:44,645 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:59:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 09:59:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:59:44,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-07 09:59:44,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:59:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:59:45,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:59:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 09:59:45,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518915166] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:59:45,862 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:59:45,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 14 [2021-12-07 09:59:45,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181590034] [2021-12-07 09:59:45,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:59:45,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 09:59:45,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:59:45,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 09:59:45,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-12-07 09:59:45,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:45,868 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:59:45,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.142857142857142) internal successors, (170), 14 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 09:59:45,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:45,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:59:45,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:59:45,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:59:45,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:59:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:59:46,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:59:46,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 09:59:46,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-07 09:59:46,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:59:46,239 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:59:46,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:59:46,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1102762777, now seen corresponding path program 2 times [2021-12-07 09:59:46,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:59:46,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568952903] [2021-12-07 09:59:46,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:59:46,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:59:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:59:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:59:46,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:59:46,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568952903] [2021-12-07 09:59:46,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568952903] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:59:46,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24077343] [2021-12-07 09:59:46,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 09:59:46,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:59:46,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:59:46,744 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:59:46,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 09:59:46,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 09:59:46,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:59:46,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-07 09:59:46,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:59:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:59:47,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:59:52,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:59:52,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24077343] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:59:52,327 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 09:59:52,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 28 [2021-12-07 09:59:52,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202116855] [2021-12-07 09:59:52,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 09:59:52,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-07 09:59:52,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:59:52,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-07 09:59:52,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=651, Unknown=0, NotChecked=0, Total=756 [2021-12-07 09:59:52,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:52,330 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:59:52,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.0) internal successors, (140), 28 states have internal predecessors, (140), 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) [2021-12-07 09:59:52,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:52,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:59:52,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:59:52,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:59:52,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-12-07 09:59:52,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:59,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:59:59,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:59:59,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:59:59,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:59:59,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 09:59:59,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-12-07 09:59:59,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 09:59:59,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-07 09:59:59,332 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 09:59:59,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:59:59,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1316419491, now seen corresponding path program 3 times [2021-12-07 09:59:59,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:59:59,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982850327] [2021-12-07 09:59:59,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:59:59,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:59:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:59:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:59:59,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:59:59,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982850327] [2021-12-07 09:59:59,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982850327] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 09:59:59,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977795100] [2021-12-07 09:59:59,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 09:59:59,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:59:59,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:59:59,962 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:59:59,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 10:00:00,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-07 10:00:00,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:00:00,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-07 10:00:00,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:00:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:00:00,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:00:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:00:08,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977795100] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 10:00:08,478 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 10:00:08,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 30 [2021-12-07 10:00:08,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093853462] [2021-12-07 10:00:08,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 10:00:08,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-07 10:00:08,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 10:00:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-07 10:00:08,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=752, Unknown=1, NotChecked=0, Total=870 [2021-12-07 10:00:08,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:00:08,480 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 10:00:08,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.8) internal successors, (144), 30 states have internal predecessors, (144), 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) [2021-12-07 10:00:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:00:08,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 10:00:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:00:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:00:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-12-07 10:00:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-12-07 10:00:08,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:00:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 10:00:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 10:00:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 10:00:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 10:00:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 10:00:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-12-07 10:00:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-12-07 10:00:15,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-07 10:00:16,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-07 10:00:16,050 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 10:00:16,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 10:00:16,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1374272403, now seen corresponding path program 4 times [2021-12-07 10:00:16,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 10:00:16,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366672614] [2021-12-07 10:00:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 10:00:16,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 10:00:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 10:00:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-07 10:00:16,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 10:00:16,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366672614] [2021-12-07 10:00:16,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366672614] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 10:00:16,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599399484] [2021-12-07 10:00:16,675 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 10:00:16,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 10:00:16,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 10:00:16,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 10:00:16,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ddd537f-72d8-4727-8fcd-398daeb9350d/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 10:00:16,954 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 10:00:16,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 10:00:16,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 35 conjunts are in the unsatisfiable core [2021-12-07 10:00:16,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 10:00:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 10:00:18,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 10:00:29,028 WARN L227 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 3087 DAG size of output: 3051 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:00:48,393 WARN L227 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:01:12,320 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:02:19,207 WARN L227 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 35 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:02:33,147 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 34 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:02:46,368 WARN L227 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:02:55,979 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:03:27,796 WARN L227 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:05:08,106 WARN L227 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 40 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:05:49,983 WARN L227 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 34 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:06:52,236 WARN L227 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:07:11,492 WARN L227 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:07:17,287 WARN L227 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 37 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:08:32,211 WARN L227 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 36 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:08:56,627 WARN L227 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 41 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:10:30,007 WARN L227 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:10:45,104 WARN L227 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 40 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:10:50,853 WARN L227 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:11:19,927 WARN L227 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 35 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:12:16,002 WARN L227 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 27 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:12:48,526 WARN L227 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 44 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:13:02,726 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 33 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:13:25,953 WARN L227 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 41 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:13:31,680 WARN L227 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 34 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:13:56,035 WARN L227 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 43 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:14:10,433 WARN L227 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:14:24,561 WARN L227 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:14:43,981 WARN L227 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 37 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-07 10:15:08,221 WARN L227 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 39 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)